Education Database Online

The Fundamentals Of Web Servers, Web Sites, Html, Xhtml And Web Authoring Are Presented In The Context Of Using The Technology To Craft A Message For An Audience. Also Includes Fundamentals Of Linking, Graphics, And Other Media. The Creation Of A Web Site Project Is Required.

This course covers the fundamental problem solving approaches that lead to solutions suitable for implementation with a computer programming language. Solutions will be implemented using the essential elements of a modern programming language. Students will also be introduced to the techniques of designing and documenting a problem solution

This course introduces students to the basic knowledge, skills, and abilities necessary for academic, professional, and life related success. The course helps students acquire, develop, and utilize basic learning tools. The course also teaches critical thinking, analysis, synthesis, and evaluation methods and practices which will allow them to formulate reasonable alternatives, hypotheses, and/or premises for academic, social, and professional use. A clear, precise, fair, and unbiased approach to analysis, evaluation, problem-solving, and decision-making activities is emphasized and promoted.

This course introduces an interdisciplinary design process that students can use throughout their careers. Several design projects encourage teamwork, promote creativity, and introduce engineering science and technology. The course also creates awareness of economic and human factors, offers ethical considerations to product design, and focuses on incorporating the customer into the design process.

Select one object-oriented program language and take 8 credits of courses in that language

This course introduces database design, and implementation and database management systems. Topics covered in this course include conceptual and logical database designs for several businesses, implementing these designs using a database management system and developing business applications that access these databases.

This course provides the foundation for the study of computer system security. The course centers around the ten domains comprising the Information Security Common Body of Knowledge. Topics include access control systems, telecommunications and network security, cryptography, operations security and business continuity and disaster recovery planning. Students will be exposed to security management practices as well as security architecture and models security laws, investigations and ethics.

This course is an introduction to the basic concepts of operating systems and specialized networking operating system models. The fundamentals of common operating systems, client/server environments, network infrastructure, theoretic models and system architecture are discussed including legacy operating system platforms and security processes utilized in today’s enterprises.

Introduction to networking explores the essential elements of computer networks, protocols of data communication and the role of network operating systems in both peer and server-based environments. Application and implementation of network management software are practiced. Attributes of contemporary network operating systems are presented and discussed. Security mechanism used to protect the system and its content is explored. A practical, multipart network design project reinforces the learning experience.

This course studies problems that involve finite or discrete data sets. This course will familiarize the student with many mathematical notations. These notations are used to represent the structure and properties of data, and then are used to help solve problems. Logic and set notation forms a foundation and then other visual representations are introduced. Many algorithms are studied to find solutions, and many techniques are shown to create structure for data storage or information retrieval. Examples of tools include truth tables, Venn diagrams, Big-Oh functions, graphs, trees, paths, and matrix notation. A final part of this course answers questions of how to define a formal language and how to recognize syntactically correct sentences. The tools used here are automated digraphs, state transition tables and context free grammars.

Students Develop A Foundational Knowledge Of The Pathogenesis And Clinical Manifestation Of Disease In Order To Work Effectively With Health Data And Communicate With Healthcare Providers. Medical Terminology, Anatomy And Physiology, And Mechanisms Of Human Disease Are Integrated At A Basic Level Of Understanding. Students Apply Knowledge To Examples And Practice Scenarios Involving The Classification And Analysis Of Disease States. Prerequisites: Bios-105 And Hit-110

This Course Surveys Indications For The Use Of Commonly Prescribed Pharmaceutical Treatments. Terminology And Classifications Of Drugs And Their Effects On Human Body Systems Are Reviewed. Uses Of Surgical Interventions And Non-drug Therapeutic Treatments Are Also Explored, In The Context Of Addressing Patient Diagnoses And Conditions. Students Apply Knowledge Gained To Practice Examples. Prerequisites: Bios-105 And Hit-110

This course introduces elements of medical terminology such as foundations of words used to describe the human body and its conditions, terminology for medical procedures, and names of commonly prescribed medications. Spelling, pronunciation and meanings of terms used in a professional healthcare setting are covered, as is recognition of common abbreviations.

This course covers history, organization and current issues in the U.S. healthcare delivery system. Interrelationships among system components and care providers are explored. Licensing, accrediting and regulatory compliance activities are discussed, as are the importance of financial and quality management, safety and security, and the role of health information professionals. The evolution, major application types and emerging trends in health information systems are explored.

This course introduces health information functions such as content and format of records; retention and storage requirements; indexes and registries; and forms design. Relationships among departments and clinical providers within a healthcare system are explored, and management concepts are introduced. Hardware, software and communication technology are used to complete health information processes. Fundamentals of database management are applied to health information examples. Practice exercises support learning. Prerequisite: HIT-120

Through Either An Approved External Health Information Management Site Or An Online Application, This Course Provides Initial Supervised Professional Practice Experience. Practicum Competencies Reinforce Previous Coursework And Include Application Of Knowledge Of – And Skills In – Health Record Content, Structure, Functions And Use. Students Whose Practicum Occurs Onsite Must Complete A Minimum Of 40 Clock Hours At The Site, Generally During Traditional Business Hours, And Must Meet Practicum Site Eligibility Requirements. Course Objectives For Students Whose Practical Experience Occurs Virtually Are Accomplished Through Online Activities, Simulations And Assignments. All Students Prepare A Written Report And Present A Verbal Summary Of Their Practical Experience Prerequisites: Hit-110 And Hit-141

This Course, The First In A Two-course Sequence, Introduces History And Development Of Clinical Vocabularies And Classification Systems. Principles And Guidelines Are Introduced For Using The International Classification Of Diseases (icd-9-cm Or Current Version) System To Code Diagnoses And Procedures In An Inpatient Setting. Disease And Procedure Coding Is Presented For Selected Body System Conditions. Examples Of Patient Records, And Exercises Using Coding Manuals And Software Tools, Provide Practice In Coding And Sequencing Diagnoses And Procedures. Application Of Coding Principles To Electronic Record Systems Is Explored. Corequisites: Bios-275 And Hit-170; Prerequisite: Bios-260

This Course Builds On Skill In Using The International Classification Of Diseases (icd-9-cm Or Current Version) To Code Diagnoses And Procedures. Coding Of Conditions And Related Procedures Not Addressed In The Previous Course Is Covered, As Are E Codes, Late Effects And V Codes. Examples Of Patient Records And Exercises Using Coding Manuals And Software Tools Provide Further Practice In Coding And Sequencing Diagnoses And Procedures. Issues Of Coding Ethics And Data Quality, As Well As Application Of Coding Principles To Electronic Record Systems, Are Explored. Prerequisite: Hit-202

Knowledge Of Clinical Classification Systems Is Expanded Through Presentation Of Principles Of Current Procedural Terminology (cpt-4 Or Most Current Version), Used To Code Procedures Performed By Healthcare Providers. Through Practice Exercises, Students Assign Procedure Codes And Apply Guidelines For Assignment Of Evaluation And Management (e/m) Codes And Modifiers To Case Examples. The Purpose And Use Of The Healthcare Common Procedure Coding System (hcpcs) Are Reviewed. Application Of Coding Principles To An Electronic Record System Is Explored. Prerequisite: Hit-202

Legal and regulatory issues in healthcare are pursued, with emphasis on their application to healthcare information services and documentation of care. Students explore the rights and responsibilities of providers, employees, payers and patients in a healthcare context. Legal terminology pertaining to civil liability and the judicial and legislative processes is covered. Laws and regulations addressing release of information and retention of records are examined, as are the legal and regulatory issues surrounding confidentiality of information. Prerequisite: HIT-120

In The Context Of Quality Assessment, Students Explore Use Of Information Technologies For Data Search And Access. Principles Of Clinical Quality, Utilization Review And Risk Management Are Introduced, As Are Organizational Approaches, And Regulatory And Accreditation Implications Of Quality Assessment Activities. Methods, Tools And Procedures For Analyzing Data For Variations And Deficiencies Are Examined And Used. Research Techniques And Statistical Methods Are Applied To Transform Data Into Effective Informational Displays And Reports To Support A Quality Improvement Program. Case Studies And Projects Reinforce Learning. Corequisite: Hit-170; Prerequisites: Bis-155 And Hit-141

Students Explore Reimbursement And Payment Methodologies Applicable To Healthcare Provided In Various U.s. Settings. Forms, Processes, Practices And The Roles Of Health Information Professionals Are Examined. Concepts Related To Insurance Products, Third-party And Prospective Payment, And Managed Care Organizations Are Explored. Issues Of Data Exchange Among Patient, Provider And Insurer Are Analyzed In Terms Of Organizational Policy, Regulatory Issues And Information Technology Operating Systems. Chargemaster Management And The Importance Of Coding Integrity Are Emphasized. Prerequisites: Hit-141 And Hit-202

This course provides further supervised practice experience in a health information setting at an approved external site. A minimum of 80 clock hours is required at a site, generally completed during traditional business hours. Skills in areas such as data abstraction and analysis are practiced, and knowledge of record retention and release of information is applied. Application of coding skills, and observation of supervisory and planning activities, are documented. Students prepare a written report and present a summary of their practical learning experience in class. Prerequisite: Permission upon completion of, or current enrollment in, all other courses in the program

This course provides a framework for decision-making in professional practice. Ethical principles, social responsibility, legal and regulatory requirements, and professional codes of conduct are explored to help students develop a clear perspective and a sense of ownership for choices they make. General principles are applied using examples from professions in specific areas such as electronics and computer technology, network systems administration and health information technology. Prerequisite: ENGL-112 / 3-3

Career planning strategies and resources are explored to prepare students for a successful job search and to maximize potential for advancement and long-term professional growth. Students perform self-assessment and goal-setting activities, and apply research and evaluation skills to execute job search and career advancement strategies. Each student assembles a professional portfolio highlighting achievements, goals and concrete plans. This course must be taken at DeVry. Prerequisite: Upper-term status / 2-2

This course focuses on identifying and articulating skills needed for academic and professional success. Coursework provides instruction and practice in critical thinking and problem-solving through analysis of critical reading and reasoning, as well as through examination of problem-solving methodologies. Students learn to work in teams, to identify and resolve problems, and to use research effectively to gather and evaluate relevant and useful information. / 3-3

This course provides a “road map” perspective of human body structure and function. Topics include cell structure and function, and a survey of all major systems of the human body. The connections and inter-working relationships among systems are introduced. Lab work includes computer exercises and simulation activities, as well as observation related to topics covered. / 5-4

This Course First Addresses Polynomials, Then Moves To Factoring Skills And Applying Technology To Solve Various Types Of Mathematical Problems. Coursework Also Introduces Graphing, Number Bases And Elementary Statistical Techniques. Students Apply Their Skills To A Variety Of Application Problems. The Minimum Requirement To Pass This Course Is 80 Percent, And Grades Of C And D Are Not Assigned. Eligibility To Enroll In The Course Is Based On Placement Results Or Successful Completion Of Math-032. / 4-4 Note: Students In Selected Programs Take Basic Algebra Under This Course Number For Graduation Credit. In Other Programs The Course Is Taken As A Prerequisite Skills Course, Math-092, And Does Not Carry Graduation Credit.

This course focuses on analyzing business situations using current spreadsheet software. Using data derived from real-world business situations, students learn to use appropriate spreadsheet software features to organize, analyze and present data, as well as to make business decisions. Through personal database technology such as Access, the course also introduces basic database concepts. Prerequisite: COMP-100 / 4-3

This course introduces basic concepts and principles underlying personal productivity tools widely used in business such as word processors, spreadsheets, email and web browsers. Students also learn basic computer terminology and concepts. Hands-on exercises provide students with experience in use of PCs and current personal productivity tools. / 3-2

This course explores the use of health information in the delivery of health care with an emphasis on its creation, storage, manipulation, reporting and use in strategic decision making. The determination of information system needs, system implementation, system evaluation, and confidentiality/security will also be addressed. Prerequisite: HA3010D/CI1150

This course provides an introduction to healthcare delivery in the United States from a systems theory perspective. Topics of study include the types of professionals employed in health care, the institutions that provide services across the care continuum and the effects of internal and external environments on the healthcare delivery system. Developments in the evolution of health care in the U.S. and changes in the current healthcare environment will also be examined.

This course introduces the health information management profession and departmental functions related to filing and numbering methods, records management, retention and storage, and forms design. Various aspects related to health record documentation guidelines and standards will be explored, as well as the influence of accreditation and regulatory bodies. Health information processes and relationships among organizational departments and healthcare providers will also be addressed.

This Course Covers Clinical Vocabularies And Classification Systems, As Well The Principles And Guidelines For Using Icd-9-cm To Code Diagnoses And Procedures. Students Will Gain An Understanding Of Icd As It Is Used In An Inpatient Setting And Contribution To The Severity Of Illness And Case-mix Analysis Systems. Assignments And Practical Examples Of Patient Records Will Provide Practice In Coding And Sequencing Of Diagnoses. The Applications Of Coding Principles Are Also Explored Through The Use Of Encoding Software Tools. (2 Hours Of Lecture And 2 Hours Of Lab Per Week) Prerequisite: Ht1100d, Me1150, Me2211, Me2510 (or Co-requisite), And Sc1221 Or Sc1222d

This Course Covers Clinical Vocabularies And Classification Systems, As Well The Principles And Guidelines For Using Icd-9-cm To Code Diagnoses And Procedures. Students Will Gain An Understanding Of Icd As It Is Used In An Inpatient Setting And Contribution To The Severity Of Illness And Case-mix Analysis Systems. Assignments And Practical Examples Of Patient Records Will Provide Practice In Coding And Sequencing Of Diagnoses. The Applications Of Coding Principles Are Also Explored Through The Use Of Encoding Software Tools. (2 Hours Of Lecture And 2 Hours Of Lab Per Week) Prerequisite: Ht2110d And Me2520 (or Co-requisite)

This Course Will Expand On The Knowledge Of Clinical Classification Systems Through The Use Of Current Procedural Terminology (cpt) Coding Principles. Assignments And Practical Examples Of Patient Records Will Provide Practice In Coding And Sequencing Of Diagnoses. Exercises Will Allow Students To Also Apply Guidelines For Evaluation And Management (e/m) Code And Modifier Assignment, In Addition To The Purpose And Use Of The Healthcare Common Procedure Coding System (hcpcs). The Applications Of Coding Principles Are Also Explored Through The Use Of Encoding Software Tools. (2 Hours Of Lecture And 2 Hours Of Lab Per Week) Prerequisites: Ht2120d

This course will provide an overview of quality improvement methodologies and expand on the use of health information and data for utilization review, risk management, and organizational approaches to quality assessment activities. Methods, tools, technologies and processes for analyzing data are examined, to identify and prepare data for health-related purposes. Displays and reports to support quality improvement programs are explored. Prerequisite: HT1100D and HA3220D

This course will provide an overview of the reimbursement and payment methodologies that apply to various healthcare settings, inclusive of the forms, processes, and practices of health information professionals. Topics related to insurance, third party, prospective payment and managed care capitation are also explored along with issues of policy, regulatory information technology and data exchange among providers. Prerequisites: HT2130D (or co-requisite

This course focuses on the principles of supervisory management in the health information environment and provides an overview of general management functions. Staffing, training, performance, and productivity procedures are explored, as well as work processes and policies and procedures design. The application of these functions will be explored in the inpatient, ambulatory, and physician office environments. Prerequisite: HT2210D (or co-requisite) and HT2230D

The practicum is designed to allow students to participate in a supervised setting to gain practice experience in a health information department or other approved practice setting or organization. Through the application of concepts and theories, student will demonstrate skills in record retrieval, data abstraction and analysis; record retention, release of information, and coding; and observation of supervisory and planning activities. Students will prepare a written report of their practical learning experience. Prerequisite: Academic advisor approval and completion of, or current enrollment in all other courses in program.

This course is intended specifically for students who will be required to have a working knowledge of medical vocabulary as it is related to medical records and reports, laboratory findings, and general communication in healthcare settings. Delivery: on campus and online

This course introduces the allied health student to the study of drugs and drug therapy. Emphasis is placed on identifying drug actions, drug names, routes of administration, and adverse effects.

This course emphasizes legal principles, procedures, and regulations which affect the control, use, and release of health information, including HIPAA.

This course provides a study of human diseases for the allied health student. Course content emphasizes the description, etiology, signs/symptoms, diagnostic procedures, and treatment for specified diseases. Prerequisite: ME1150/SC1221 Delivery: on campus and online

This course continues the study of human diseases for the allied health student. Course content emphasizes the description, etiology, signs/symptoms, diagnostic, procedures and treatment for specified diseases. Prerequisite: ME2510 Delivery: on campus and online

This course is designed to help students gain confidence and proficiency in basic writing skills. Students are introduced to principles and strategies that will help them to write and revise clearly, concisely and coherently. Students write essays wherein organization and proper usage are stressed. Emphasis is also placed on introductory concepts of the research process. Prerequisite:Placement recommendation or successful completion of EN0500 or ES2030 Delivery: on campus and onlineÿ

This course engages students in a continued exploration of the writing process. Students will learn how to locate research sources, utilizing electronic and print materials. Additionally, students will write and revise essays, business communications and a research paper. Emphasis is placed on expanding knowledge of the research process and improving the ability to evaluate and integrate various kinds of research in academic writing. Prerequisite: EN1150 Delivery: on campus and online

This course is designed to improve skills in group discussion and extemporaneous speaking for practical application in personal, social and business situations. Techniques of audience analysis, listening behavior, and problem-solving are covered. Delivery: on campus

Designed for allied health learners with little or no biology knowledge, this course provides an introduction to the essentials of anatomy and physiology. Throughout the course students will demonstrate knowledge of the complementary relationship between structure and function of the human body, as well as the integration of systems to maintain homeostasis. Students will apply this fundamental knowledge to explain common diseases, disorders or conditions, and make recommendations that promote individual health, regardless of age or gender. Laboratory activities are embedded in this lecture-based class to optimize student assimilation and retention of content

This course is designed to develop students' basic skills of logical reasoning relative to problem-solving and related argument analysis. Learning to provide evidence and well-reasoned support for asserted solutions and/or positions within frameworks of clarity, depth, precision, relevance, and fairness are central to the course.

This course is designed to enhance the university learning experience and prepare students for personal and professional success. Concepts presented include managing change, setting and achieving goals, and thinking in ways that create success. Time management, study skills, and library research are also discussed. Delivery: on campus and online

This course prepares the student to manage his/her career through the job transitions that occur in the course of a lifetime. The course encourages students to maintain work/life balance, fostering positive feelings and values about work activities. It also helps graduating students secure professional employment. Students will prepare a resume and cover letter, learn interview techniques, develop a "skills" language, networking techniques, and the means to meet employer expectations. Prerequisite: Academic advisor approval Delivery: on campus and online

This course provides the student with the necessary background for further study of information systems. Students will gain an understanding of computers, computer technology, computer hardware and software, and how computers can be used to produce meaningful information. Students are exposed to practical examples of the computer as a useful tool and they learn how to create documents, workbooks, presentations, e-mail and databases suitable for professional purposes and personal use.

Teaches students to become effective in finding and utilizing information at libraries and other information centers, and through electronic resources available in libraries and on the World Wide Web. PREREQ: None

Legal And Ethical Issues In The Delivery Of Health Care Are Presented. A Grounding In The Parts Of Tort And Contract Law That Affect Health-care Delivery Is Set Forth Along With Broad Ideas Concerning The Functioning Of The Legal System. Special Attention Is Given To Confidentiality, Privileged Communications, Informed Consent, The Elements Of And Defenses Against Malpractice, Legal And Practical Issues Commonly Encountered By Medical Assistants, End-of-life And Beginning-of-life Legal And Ethical Issues, And The Effect Of Managed Care On Ethical Issues Faced By Health-care Practitioners. Prereq: None Hit107 Medical Terminology (3 Credits) 135 Lecture Hours The Development Of A Vocabulary Used In Medicine By Acquiring Skills To Pronounce, Define, And Spell Word Terms. Students Will Analyze And Interpret Medical Reports Related To Specific Body Https://www.mturk.com/mturk/previewandacceptgroupid=1yeatjj19z1iz1hstvr5hmju3o116osystems.

This course teaches the skills and techniques of effectively developing, drafting, and revising college-level essays toward a specific purpose and audience: active reading, prewriting strategies, sentence and paragraph structure, thesis statements, varied patterns of development (e.g., illustration, comparison/contrast, classification), critical reading toward revision of structure and organization, editing for the standard written conventions, use and documentation of outside sources. Students submit three essays (process analysis, causal analysis, argumentation) and a course journal. PREREQ: None

This course will provide the student with a foundation in basic mathematical operations. Topics covered includepercentages; discounts; interest; present worth; sinking funds; installment buying; pricing; depreciation; investments; insurance; use of symbols and their applications, equations and formulas; importance of statistics.

An introductory course that explains the origin of life and the relationships between all living things. It describes how a significant number of organisms are structured and how they work, in order to enable students to discuss intelligently the various forms of life and their processes. PREREQ: None

This Course Introduces Students To The Management Of Information Within A Health-care Setting. The Course Focuses On Preparing, Correcting, And Filing Medical Records, As Well As Communicating With Others Inside And Outside Of A Medical Facility. It Also Covers Health-care Delivery Systems; Information And Communication Technologies; And Data Storage, Retrieval, And Security. Prereq: Introduction To Health Information Management, Medical Terminology, Law And Ethics In Medicine, The Confidentiality Of Health Information Hit115 Reimbursement Methodologies (1 Credit) 45 Lecture Hours This Course Is Designed To Introduce The Health Information Technology Student To Major Reimbursement Systems In The United States. Focus Is On Prospective Payment System, Third-party Payers, And Billing And Insurance Procedures. The Course Also Covers Additional Information Including Prepaid Health Plans, Fee-for-service Methodologies, Chargemasters, Fee Schedules, And Managed Care.

Personal decision making about nutrition; nutrition science; water; exercise; human growth and aging; safety of the food supply; the global view. PREREQ: None

Computer and Internet Basics; computer hardware and software; digital electronics and file management; introduction to Windows® ; PC applications in word processing, spreadsheets, and presentation software. PREREQ: None

Structures and function of the animal body with emphasis on the similarities and differences of domestic animals; principles of biology, body organization and metabolism of cells, tissues, and organ systems, including the respiratory, digestive, skeletal, muscular, and cardiovascular systems. PREREQ: Introduction to Biology

Continuation of Anatomy and Physiology 1; integumentary, urinary, and endocrine systems; nervous system and sensory organs. PREREQ: Introduction to Biology, Animal Anatomy and Physiology

Biology and behavior; consciousness; memory; thought and language; intelligence; personality and gender; stress; community influences. PREREQ: None

The Medical Coding 2 Course Utilizes The Application Of The Cpt And Icd-9-cm Classification Systems To Code Diagnoses And Procedures. Prereq: Medical Coding 1

The Basics Of Coding, Exploration Of The Icd-9-cm And Cpt Manuals, Examination Of Specialty Areas Such As Cardiology And Obstetrics/gynecology, Radiology, Pathology, And Laboratory Work.

An introduction to the technical and legal aspects of medical transcription, as well as career opportunities available in the field. The student will begin to transcribe and format various types of medical records.

Medical Transcription 2 Will Direct The Student On The Use Of Various Types Of Medical Transcription, With An Emphasis On Increasing Speed, Accuracy, And Formatting Of Reports. This Course Bridges The Gap Between Medical Transcription 1, With Easy-to-understand Dictation, And The Harder-to-understand, Difficult Dictation Of The Work Environment. Medical Transcription 2 Will Provide The Student With The Skills Necessary To Complete Complex Reports Within The Major Medical Specialties. Prereq: Medical Transcription 1 Hit209 Department Management (2 Credits) Presents The Management And Supervisory Functions And Skills Of A Health Information Management Department. Focus Is On Fundamentals Of Management, Basic Management Functions, Principals Of Supervision, And Supervision Of Specific Health Information Management Functions. The Course Also Covers Organizational Structure, Human Resources Management, Staff Development, And Management Budgeting And Finance Functions

A comprehensive overview designed to prepare the Health Information Technology student to perform functions and demonstrate competencies related to health information services in a variety of settings. Students will be tested on health information knowledge, perform project and research work, practice skills, and gain clinical workplace experience in a variety of settings under the supervision of a clinical practice supervisor.

Customer service is presented as an integral part of any career, in terms of understanding what customer service encompasses and why it is essential, recognizing, understanding and meeting customer needs, and communicating with customers, including verbal and nonverbal messages, active listening skills, dealing with hostility and necessary skills in various mediums such as Internet and telephone. PREREQ: None

Artistic media; historical periods and artistic movements; roles of the artist and the viewer; art criticism. PREREQ: None

This course is designed to introduce the health information technology student to the calculation, compilation, analysis, and presentation of health-care statistics. Focus is on basic descriptive and inferential statistics and the concepts of data validity and reliability. The course also covers data collection methods, interpretation of data, calculation of statistical formulas, and uniform reporting requirements.