2026 Penn Foster Veterinary Pharmacology
Comprehensive Review
Comprehensive Q&A Study Companion
Note: All correct answers are marked with ✔️✔️
1. Drug Fundamentals & Pharmacy Operations
1. What is the primary reference for veterinary drug information in the United States?
A) Merck Veterinary Manual
B) Plumb's Veterinary Drug Handbook
C) BSAVA Small Animal Formulary
D) Veterinary Information Network
2. Which schedule of controlled substances has the highest potential for abuse?
A) Schedule II
B) Schedule I
C) Schedule III
D) Schedule IV
3. What does the abbreviation "SID" mean on a prescription?
A) Once daily
B) Twice daily
C) Three times daily
D) Once daily
4. Which of the following is NOT a component of a valid prescription?
A) Veterinarian's DEA number
B) Client's home address
C) Date prescribed
D) Drug strength and quantity
5. The study of what the body does to a drug is called:
A) Pharmacodynamics
B) Pharmacokinetics
,C) Pharmacotherapeutics
D) Toxicology
2. Antimicrobial Agents
6. Which class of antibiotics is contraindicated in growing animals due to cartilage damage?
A) Fluoroquinolones
B) Cephalosporins
C) Penicillins
D) Tetracyclines
7. What is the mechanism of action of beta-lactam antibiotics?
A) Inhibit protein synthesis
B) Disrupt cell membrane integrity
C) Inhibit cell wall synthesis
D) Inhibit nucleic acid synthesis
8. Which antibiotic should be avoided in rabbits and rodents?
A) Enrofloxacin
B) Amoxicillin
C) Penicillin G
D) Any oral penicillin
9. Metronidazole is primarily effective against:
A) Gram-positive bacteria
B) Gram-negative bacteria
C) Anaerobic bacteria
D) Mycoplasma
10. What is a common side effect of tetracycline administration in young animals?
A) Tooth discoloration
B) Liver toxicity
C) Renal failure
D) Ototoxicity
3. Parasiticides
11. Ivermectin should be used with caution in which dog breed?
A) Labrador Retriever
,B) German Shepherd
C) Collie breeds
D) Beagle
12. What is the mechanism of action of pyrantel pamoate?
A) Neuromuscular paralysis in parasites
B) Inhibition of energy metabolism
C) Disruption of cuticle formation
D) Inhibition of egg development
13. Which class of parasiticides is generally safe for use in heartworm-positive dogs?
A) Macrocyclic lactones
B) Isoxazolines
C) Milbemycins
D) Organophosphates
14. Fipronil primarily acts on what neurotransmitter in insects?
A) Acetylcholine
B) GABA
C) Glutamate
D) Dopamine
15. What precaution is essential when using permethrin products on cats?
A) Use only on cats over 1 year old
B) Avoid use entirely or use only feline-labeled products
C) Dilute 1:10 with water
D) Apply only to shaved areas
4. Anesthetics & Analgesics
16. Which drug is a reversible alpha-2 agonist sedative?
A) Ketamine
B) Xylazine
C) Dexmedetomidine
D) Atipamezole
17. What is the primary advantage of using propofol as an induction agent?
A) Long duration of action
B) Minimal cardiovascular effects
, C) Rapid recovery
D) Excellent analgesia
18. Which NSAID is approved for use in cats in the United States?
A) Carprofen
B) Meloxicam
C) Deracoxib
D) Firocoxib
19. Buprenorphine is classified as what type of analgesic?
A) Full opioid agonist
B) Partial opioid agonist
C) Opioid antagonist
D) Non-opioid analgesic
20. What is the reversal agent for benzodiazepines like diazepam?
A) Naloxone
B) Flumazenil
C) Atipamezole
D) Yohimbine
5. Cardiovascular Drugs
21. Furosemide acts primarily on which part of the nephron?
A) Proximal tubule
B) Loop of Henle
C) Distal tubule
D) Collecting duct
22. What is the primary mechanism of action of digoxin?
A) Inhibition of Na+/K+ ATPase
B) Beta-1 receptor agonism
C) Calcium channel blockade
D) ACE inhibition
23. Which drug is an angiotensin-converting enzyme (ACE) inhibitor?
A) Pimobendan
B) Enalapril
Comprehensive Review
Comprehensive Q&A Study Companion
Note: All correct answers are marked with ✔️✔️
1. Drug Fundamentals & Pharmacy Operations
1. What is the primary reference for veterinary drug information in the United States?
A) Merck Veterinary Manual
B) Plumb's Veterinary Drug Handbook
C) BSAVA Small Animal Formulary
D) Veterinary Information Network
2. Which schedule of controlled substances has the highest potential for abuse?
A) Schedule II
B) Schedule I
C) Schedule III
D) Schedule IV
3. What does the abbreviation "SID" mean on a prescription?
A) Once daily
B) Twice daily
C) Three times daily
D) Once daily
4. Which of the following is NOT a component of a valid prescription?
A) Veterinarian's DEA number
B) Client's home address
C) Date prescribed
D) Drug strength and quantity
5. The study of what the body does to a drug is called:
A) Pharmacodynamics
B) Pharmacokinetics
,C) Pharmacotherapeutics
D) Toxicology
2. Antimicrobial Agents
6. Which class of antibiotics is contraindicated in growing animals due to cartilage damage?
A) Fluoroquinolones
B) Cephalosporins
C) Penicillins
D) Tetracyclines
7. What is the mechanism of action of beta-lactam antibiotics?
A) Inhibit protein synthesis
B) Disrupt cell membrane integrity
C) Inhibit cell wall synthesis
D) Inhibit nucleic acid synthesis
8. Which antibiotic should be avoided in rabbits and rodents?
A) Enrofloxacin
B) Amoxicillin
C) Penicillin G
D) Any oral penicillin
9. Metronidazole is primarily effective against:
A) Gram-positive bacteria
B) Gram-negative bacteria
C) Anaerobic bacteria
D) Mycoplasma
10. What is a common side effect of tetracycline administration in young animals?
A) Tooth discoloration
B) Liver toxicity
C) Renal failure
D) Ototoxicity
3. Parasiticides
11. Ivermectin should be used with caution in which dog breed?
A) Labrador Retriever
,B) German Shepherd
C) Collie breeds
D) Beagle
12. What is the mechanism of action of pyrantel pamoate?
A) Neuromuscular paralysis in parasites
B) Inhibition of energy metabolism
C) Disruption of cuticle formation
D) Inhibition of egg development
13. Which class of parasiticides is generally safe for use in heartworm-positive dogs?
A) Macrocyclic lactones
B) Isoxazolines
C) Milbemycins
D) Organophosphates
14. Fipronil primarily acts on what neurotransmitter in insects?
A) Acetylcholine
B) GABA
C) Glutamate
D) Dopamine
15. What precaution is essential when using permethrin products on cats?
A) Use only on cats over 1 year old
B) Avoid use entirely or use only feline-labeled products
C) Dilute 1:10 with water
D) Apply only to shaved areas
4. Anesthetics & Analgesics
16. Which drug is a reversible alpha-2 agonist sedative?
A) Ketamine
B) Xylazine
C) Dexmedetomidine
D) Atipamezole
17. What is the primary advantage of using propofol as an induction agent?
A) Long duration of action
B) Minimal cardiovascular effects
, C) Rapid recovery
D) Excellent analgesia
18. Which NSAID is approved for use in cats in the United States?
A) Carprofen
B) Meloxicam
C) Deracoxib
D) Firocoxib
19. Buprenorphine is classified as what type of analgesic?
A) Full opioid agonist
B) Partial opioid agonist
C) Opioid antagonist
D) Non-opioid analgesic
20. What is the reversal agent for benzodiazepines like diazepam?
A) Naloxone
B) Flumazenil
C) Atipamezole
D) Yohimbine
5. Cardiovascular Drugs
21. Furosemide acts primarily on which part of the nephron?
A) Proximal tubule
B) Loop of Henle
C) Distal tubule
D) Collecting duct
22. What is the primary mechanism of action of digoxin?
A) Inhibition of Na+/K+ ATPase
B) Beta-1 receptor agonism
C) Calcium channel blockade
D) ACE inhibition
23. Which drug is an angiotensin-converting enzyme (ACE) inhibitor?
A) Pimobendan
B) Enalapril
