North American Veterinary Licensing Examination (NAVLE) Practice Test

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Prepare for the North American Veterinary Licensing Examination (NAVLE). Gain confidence with our flashcards and multiple choice questions, each complete with hints and explanations. Be exam ready!

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Which drug is known to stimulate appetite in small animals?

Cyproheptadine
Acyclovir
Omeprazole
Tetracycline

The correct answer is: Cyproheptadine

Cyproheptadine is an antihistamine with appetite-stimulating properties, making it a common choice for increasing appetite in small animals, particularly in cats. The mechanism through which Cyproheptadine works involves serotonin receptor antagonism, which influences the central nervous system pathways that regulate hunger and satiety. This drug is often used in situations like chronic illness, recovery from surgery, or other conditions that lead to reduced appetite. In contrast, the other drugs listed do not possess appetite-stimulating effects. Acyclovir is an antiviral medication primarily used for treating herpesvirus infections. Omeprazole is a proton pump inhibitor used to reduce stomach acid and treat conditions like gastritis or ulcers, while Tetracycline is an antibiotic that targets bacterial infections. None of these medications are indicated for stimulating appetite in small animals, highlighting the specificity of Cyproheptadine's action in this regard.