Veterinary Pharmacology Review Workbook: Full Concept Mastery Guide For Penn Foster Students – 100 Structured Q&A with Verified Answers

Veterinary Pharmacology Review Workbook: Full Concept
Mastery Guide
For Penn Foster Students – 100 Structured Q&A with Verified
Answers

Section 1: Fundamental Principles (Questions 1-20)

1. What is the primary definition of pharmacology?

• A) The study of drug manufacturing

• B) The study of drugs and their interactions with living systems

• C) The study of animal diseases

• D) The study of surgical techniques

2. Which branch of pharmacology deals with the biochemical and physiological effects of
drugs?

• A) Pharmacokinetics

• B) Pharmacodynamics

• C) Pharmacy

• D) Toxicology

3. The term describing a drug's movement through the body (ADME) is:

• A) Pharmacotherapeutics

• B) Pharmacokinetics

• C) Pharmacodynamics

• D) Pharmacognosy

4. Which route of administration bypasses first-pass metabolism?

• A) Oral

• B) Rectal

, • C) Intravenous

• D) All of the above

5. The time required for drug concentration to decrease by 50% is called:

• A) Onset time

• B) Duration of action

• C) Half-life

• D) Therapeutic index

6. What does a low therapeutic index indicate about a drug?

• A) It is very safe

• B) It has a wide margin of safety

• C) It has a narrow margin of safety

• D) It is always effective

7. Which phase of clinical trials involves initial testing in a small group of healthy animals?

• A) Phase I

• B) Phase II

• C) Phase III

• D) Phase IV

8. The study of adverse drug effects is called:

• A) Pharmacodynamics

• B) Toxicology

• C) Pharmacogenetics

• D) Pharmacy

9. Which law regulates the manufacturing and distribution of controlled substances in
veterinary medicine?

• A) Animal Medicinal Drug Use Clarification Act (AMDUCA)

• B) Controlled Substances Act (CSA)

, • C) Food, Drug, and Cosmetic Act

• D) Veterinary Feed Directive

10. What does the abbreviation "EMEA" stand for in drug regulation?

• A) European Medicines Agency

• B) Emergency Medical Assistance

• C) Extended Medication Efficacy Analysis

• D) Equine Medication Examination Authority

11. Drugs that bind to receptors and produce a response are called:

• A) Antagonists

• B) Agonists

• C) Partial agonists

• D) Inverse agonists

12. What type of drug antagonism occurs when two drugs compete for the same receptor
site?

• A) Physiological antagonism

• B) Chemical antagonism

• C) Competitive antagonism

• D) Non-competitive antagonism

13. Which of these factors does NOT affect drug absorption?

• A) Blood flow to absorption site

• B) Drug solubility

• C) Patient's age

• D) Drug color

14. The process by which drugs are transported from systemic circulation to tissues is:

• A) Absorption

• B) Distribution

, • C) Metabolism

• D) Excretion

15. Which organ is primarily responsible for drug metabolism?

• A) Kidney

• B) Liver

• C) Lung

• D) Spleen

16. The primary route of excretion for most drugs is through the:

• A) Kidneys

• B) Liver

• C) Lungs

• D) Sweat glands

17. Drugs that cross the blood-brain barrier most easily are typically:

• A) Highly protein-bound

• B) Highly ionized

• C) Lipid-soluble

• D) Water-soluble

18. Which is an example of a prodrug?

• A) Prednisone converted to prednisolone

• B) Penicillin G

• C) Furosemide

• D) Diazepam

19. What does "bioavailability" refer to?

• A) The chemical purity of a drug

• B) The percentage of drug that reaches systemic circulation

• C) The expiration date of a medication