| Course | HCA 105 Pharmacology |
|---|---|
| Module | Module 1 |
| Paper type | Pharmacology history paper |
| Length | About 1,092 words, 6 pages |
| Format | APA 7 student paper |
| School | Aspen University |
| Program | Health Care Administration |
| Updated | September 2026 |
Free sample paper for HCA 105 Module 1
From Willow Bark to a Refill Request: A Short History of Pharmacology and How Drugs Are Named and Classified
Student Name
Health Care Administration Program, Aspen University
HCA 105: Pharmacology
Instructor Name
Month Day, Year
From Willow Bark to a Refill Request: A Short History of Pharmacology and How Drugs Are Named and Classified
Every day, allied health workers read medication lists, process refill requests and answer patients' questions about their prescriptions. Doing that well requires knowing how drugs are named and grouped, and it helps to know how modern pharmacology came to be. This paper gives a short history of drug discovery, explains the three names every drug carries, describes how drugs are classified and shows why these ideas matter at a medical office front desk or medication station.
From Plants to Chemistry
For most of history, medicines came from plants, minerals and animals, used on the basis of experience. An extract from the bark of the white willow tree was used for centuries to treat fevers and inflammation. Its active principle, salicin or salicylic acid, tasted bitter and irritated the stomach, but a simple chemical change produced acetylsalicylic acid, sold as aspirin, which became the first blockbuster drug (Jones, 2011). Nineteenth-century chemistry, much of it built on byproducts of coal tar, produced early pain and fever medicines such as phenacetin and acetanilide, and the first barbiturates entered medicine at the start of the twentieth century.
Why the History Matters
The shift from plant extracts to purified and synthesized chemicals changed medicine in three ways. Doses became predictable, because a pure chemical has a known strength. Drugs could be tested and compared. And drugs could be manufactured in large quantities, which made regulation necessary, a topic for the next module. For allied health workers, this history explains why labels list exact strengths and why the same active ingredient can appear in many products.
From Discovery to Approval Today
Modern drugs follow a long path before reaching a pharmacy shelf. After a promising compound is found, it is tested in the laboratory and in animals, then in human trials that grow from small safety studies to large studies comparing it with existing treatments. Only after a regulator reviews the evidence can it be sold, and monitoring continues once it is in wide use, since rare side effects may appear only after many thousands of people have taken it. Allied health workers see the end of this path, but knowing it explains why new drugs carry warnings, why some are withdrawn and why reporting side effects matters.
Three Names for Every Drug
Each drug has a chemical name, which describes its molecular structure; a generic name, the official nonproprietary name used by all manufacturers; and one or more brand names chosen by companies. The generic name is the one professionals rely on, because it stays the same across products while brand names differ (Lilley et al., 2023).
| Name type | Example | Who uses it |
|---|---|---|
| Chemical | 2-(acetyloxy)benzoic acid | Chemists and manufacturers |
| Generic | Aspirin (acetylsalicylic acid) | Prescribers, pharmacists, most records |
| Brand | Various brand names, often combined with other ingredients | Patients, advertising, some prescriptions |
Why Generic Names Matter at Work
A patient may say they take a medicine by its brand name, while the record lists the generic. If staff know only one name, they may miss that the patient takes the same drug twice, once under each name, or that a new prescription duplicates an old one. Reading the generic name on every label and list, and checking it against the brand name the patient uses, prevents these duplications.
Ways Drugs Are Classified
Drugs are grouped in several ways at once. By body system, a drug may be a cardiovascular or respiratory medicine. By pharmacologic action, it may be a beta blocker or an ACE inhibitor, describing how it works. By therapeutic use, it may be an antihypertensive or an analgesic, describing what it treats. A single drug belongs to several groups; lisinopril, for example, is a cardiovascular drug, an ACE inhibitor and an antihypertensive (Lilley et al., 2023).
Over-the-Counter and Prescription Drugs
Drugs are also classified by how they may be obtained. Prescription drugs require an order from a licensed prescriber, while over-the-counter drugs can be bought without one because they are considered safe for self-care when labels are followed. The distinction matters at the front desk and medication station, because patients often leave over-the-counter medicines, vitamins and herbal products off their lists. Asking specifically about them helps the provider spot interactions, such as a patient taking both a prescription pain reliever and an over-the-counter product containing the same ingredient.
Why Classes Help
Knowing a drug's class tells a worker a great deal without memorizing every drug. Drugs in the same pharmacologic class usually share effects and side effects. Many ACE inhibitor names end in -pril, and many beta blocker names end in -olol, so the suffix often signals the class. When a patient reports a new cough and takes a drug ending in -pril, a staff member who knows the class can alert the nurse that cough is a known side effect.
A Refill Request as an Example
Consider a refill request at the composite clinic. Mr. D. calls asking for more of his blood pressure pill, which he names by a brand name. The medical assistant finds the generic name in his record, confirms the strength and dose, notes that the drug is an ACE inhibitor and sees that he has not had a blood test for kidney function and potassium in over a year, which the provider usually checks for this class. The refill request goes to the provider with that note. Knowing the names and class turned a routine call into a safer one. The assistant did not decide whether the refill was safe; the note simply made sure the provider had the information needed to decide.
Limits of the Allied Health Role
Allied health workers use this knowledge to read, record and communicate accurately, not to make prescribing decisions. They do not change doses, recommend substitutions or advise patients to stop a drug. When a question involves clinical judgment, they pass it to the nurse, pharmacist or provider. That boundary protects patients and the worker, and it reflects the medical assistant code of ethics, which asks members to serve with respect for patients and to uphold high professional standards (American Association of Medical Assistants, n.d.).
Conclusion
The move from willow bark to purified aspirin marks the beginning of modern pharmacology, with its predictable doses, testing and regulation. Every drug now carries chemical, generic and brand names and belongs to several classes. For allied health workers, generic names prevent duplication, class knowledge flags likely side effects, and both make everyday tasks such as refill requests safer.
References
American Association of Medical Assistants. (n.d.). AAMA medical assistant code of ethics. https://www.aama-ntl.org
Jones, A. W. (2011). Early drug discovery and the rise of pharmaceutical chemistry. Drug Testing and Analysis, 3(6), 337-344. https://doi.org/10.1002/dta.301
Lilley, L. L., Collins, S. R., & Snyder, J. S. (2023). Pharmacology and the nursing process (10th ed.). Elsevier.
HCA 105 Module 1 instructions, in plain terms
Aspen's catalog opens its HCA 105 description with the history of pharmacology, and because the module's actual prompt is available only to enrolled students, that opening shaped this example. A first pharmacology assignment in an allied health course usually asks you to summarize how drug therapy developed, explain drug names and classifications, and show why this knowledge matters in a health care setting. Some instructors want a timeline; others want examples of drugs from each class. Check how much history is expected, whether you must use the course textbook for definitions, and whether examples should come from your workplace. Keep the focus on what an allied health worker actually does with drug names, since the course is built for practice rather than research. Watch the spelling of every drug name you use.
How this HCA 105 Module 1 example is built
The paper runs to about 1,090 words under twelve headings, with one table. It begins with willow bark and aspirin, then explains why the shift to purified chemicals mattered. A section describes how a drug moves from discovery to approval today. The table lays out the three names every drug carries, and a section explains why generic names prevent duplication. Classification by body system, action and use follows, then over-the-counter versus prescription status and how class suffixes help. A refill request shows the knowledge applied, a section marks the limits of the allied health role, and the conclusion ties history to daily tasks.
Where the marks sit in the HCA 105 Module 1 rubric
Instructors grading this kind of paper usually look for accurate facts, clear explanation of terms, practical application and correct use of sources. Facts about aspirin and early chemistry come from a published history of drug discovery, and a margin note explains why one documented example keeps the history accurate. Terms are defined before they are used, and the name table makes the three kinds of names easy to compare. Application is the paper's strength: the refill request shows generic names and class knowledge preventing a missed test, as the second note points out. The third note connects the approval process to later modules on safety. The section on role limits shows professional judgment, which instructors in allied health courses value highly. The history stays short, leaving room for the practical sections that matter most in this course.
HCA 105 Module 1 help: mistakes that cost marks
Students often write a long history and a short, vague account of drug names. Keep the history brief and spend most words on naming and classification. Another frequent mistake is confusing generic and brand names or using brand names throughout, which is the opposite of what the course teaches. Use generic names. Some papers list classes without explaining why they help; show how a class tells you likely side effects. Others forget over-the-counter products, which patients often leave off their lists. Finally, stay within the allied health role in your examples. Describe noticing and reporting, not deciding doses or recommending changes.
Write yours, or have the desk draft it
This paper is an original model document written by our desk, not a submitted student paper and not an official Aspen University document. Read it for the moves, then write your own to the instructions in your classroom. If you want one built to your exact prompt and rubric, the first custom sample is free and arrives in 24 to 48 hours.
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HCA 105 Module 1 questions, answered
What does HCA 105 Module 1 usually ask for?
Aspen's HCA 105 description begins with the history of pharmacology, so a paper on drug history and how drugs are named and classified is a typical first assignment. Check your classroom for the prompt.
What is the difference between a generic and a brand name?
The generic name is the official name used by all manufacturers; brand names are chosen by companies and differ between products containing the same drug.
How can a drug name show its class?
Many drug names share a class suffix, such as -pril for ACE inhibitors and -olol for beta blockers, though exceptions exist.
Where can I find a free HCA 105 Module 1 sample paper?
Right here: the pharmacology history and drug naming paper is reproduced above with its name table and side comments, free. It begins eight HCA 105 samples covering law, routes, math, calculations, an error case, a teaching sheet and office medication ethics.
Why do generic names matter in HCA 105 Module 1?
Generic names stay the same across manufacturers, so using them prevents duplicate therapy when a patient knows the same drug by different brand names.