FREE DVM Doctor of Veterinary Medicine Veterinary Pharmacology & Toxicology Questions and Answers

Question 1

A 4-year-old intact male Boxer is presented with acute onset of severe vomiting, diarrhea, and lethargy.
The owner reports that the dog may have ingested snail bait approximately 2 hours ago.
On examination, the dog is hyperthermic, tremoring, and hypersalivating.
What is the most appropriate initial treatment to address the suspected toxicosis?

Accepted Answer

Administer activated charcoal and IV fluids.

Answer

Induce emesis with apomorphine and administer atropine.

Answer

Administer diazepam for tremors and perform gastric lavage.

Answer

Administer vitamin K1 and monitor coagulation parameters.

Question 2

Which of the following classes of antibiotics is most commonly associated with adverse effects such as cartilage damage in young, growing animals?

Accepted Answer

Fluoroquinolones

Answer

Tetracyclines

Answer

Macrolides

Answer

Penicillins

Question 3

A 6-month-old female spayed Domestic Shorthair cat presents for routine vaccination. The owner mentions a recent history of mild, intermittent diarrhea. On physical examination, the cat is bright, alert, and responsive, with normal vital signs. The veterinarian prescribes metronidazole for the diarrhea. What is a potential common adverse effect of metronidazole in felines, especially at higher doses or with prolonged use?

Accepted Answer

Neurotoxicity (e.g., ataxia, nystagmus)

Answer

Cardiotoxicity

Answer

Nephrotoxicity

Answer

Hepatotoxicity

Question 4

Regarding pharmacokinetics, what best describes the 'first-pass effect'?

Accepted Answer

The rapid metabolism of an orally administered drug by the liver before it reaches systemic circulation.

Answer

The initial distribution of a drug from the bloodstream to peripheral tissues.

Answer

The process by which a drug binds to plasma proteins, reducing its free concentration.

Answer

The elimination of a drug via renal excretion without prior hepatic metabolism.

Question 5

A 12-year-old male neutered German Shepherd Dog with chronic osteoarthritis is receiving meloxicam daily. The owner reports that the dog has become lethargic and anorexic over the past 2 days. On physical examination, the dog is dehydrated and has pale mucous membranes. Bloodwork reveals elevated BUN and creatinine, and a decreased urine specific gravity. Which of the following adverse effects of NSAID therapy is most likely occurring?

Accepted Answer

Renal papillary necrosis

Answer

Hepatotoxicity

Answer

Gastrointestinal ulceration

Answer

Coagulopathy

Question 6

Which of the following statements about the use of glucocorticoids in veterinary medicine is TRUE?

Accepted Answer

Long-term glucocorticoid use can lead to iatrogenic hypoadrenocorticism upon abrupt withdrawal.

Answer

Glucocorticoids are primarily used for their antimicrobial properties.

Answer

Glucocorticoids significantly enhance wound healing and immune response.

Answer

They are contraindicated in all cases of inflammatory bowel disease.