(VTNE) Exam Questions with Answers and
Rationales| Instant Download PDF
1.
B. Acepromazine
C. Midazolam
D. Ketamine
Correct Answer: B
*Explanation: Acepromazine is a phenothiazine derivative used for sedation and as an
antiemetic. Xylazine is an alpha-2 agonist; midazolam is a benzodiazepine; ketamine is a
dissociative anesthetic.*
2. What is the primary antidote for organophosphate toxicity?
A. Atropine
B. Yohimbine
C. Naloxone
D. Flumazenil
Correct Answer: A
*Explanation: Atropine blocks muscarinic effects of organophosphates. Yohimbine
reverses alpha-2 agonists; naloxone reverses opioids; flumazenil reverses
benzodiazepines.*
3. Which antibiotic is contraindicated in young animals due to risk of cartilage damage?
A. Amoxicillin
B. Enrofloxacin
C. Metronidazole
,D. Clindamycin
Correct Answer: B
4. The therapeutic window of a drug refers to:
A. The time between dosing intervals
B. The range between effective and toxic doses
C. The volume of distribution
D. The rate of drug metabolism
Correct Answer: B
5. Which drug is used to induce vomiting in dogs?
A. Apomorphine
B. Cerenia
C. Ondansetron
D. Metoclopramide
Correct Answer: A
6. Which of the following is a contraindication for using NSAIDs in animals?
A. Mild lameness
B. Dehydration
C. Post-surgical pain
D. Fever
Correct Answer: B
,7. Which drug is most commonly used for chemical restraint in fractious cats?
A. Acepromazine + Butorphanol
B. Xylazine alone
C. Ketamine + Diazepam
D. Propofol
Correct Answer: C
8. What is the mechanism of action of furosemide?
A. Carbonic anhydrase inhibition
B. Loop of Henle sodium-potassium-chloride inhibition
C. Aldosterone antagonism
D. Thiazide diuresis
Correct Answer: B
*Explanation: Furosemide is a loop diuretic that blocks Na-K-2Cl cotransport in the thick
ascending loop of Henle.*
9. Which insulin type is rapid-acting?
A. Glargine
B. PZI
C. Lispro
D. NPH
Correct Answer: C
*Explanation: Lispro has a very rapid onset (15-30 min). Glargine is long-acting; PZI is
long; NPH is intermediate.*
10. Adverse effect of chronic glucocorticoid use includes:
A. Polyphagia
B. Polyuria
C. Polydipsia
D. All of the above
, Correct Answer: D
11. Which drug is an alpha-2 adrenergic agonist?
A. Xylazine
B. Atipamezole
C. Epinephrine
D. Propranolol
Correct Answer: A
*Explanation: Xylazine, detomidine, and medetomidine are alpha-2 agonists used for
sedation and analgesia.*
12. What is the reversal agent for dexmedetomidine?
A. Naltrexone
B. Atipamezole
C. Flumazenil
D. Edrophonium
Correct Answer: B
*Explanation: Atipamezole is a specific alpha-2 antagonist used to reverse
dexmedetomidine and xylazine.*
13. Which drug is a COX-2 selective NSAID approved for dogs?
A. Aspirin
B. Carprofen
C. Prednisolone
D. Acetaminophen
Correct Answer: B
*Explanation: Carprofen, deracoxib, and meloxicam are COX-2 preferential, reducing GI
side effects.*