VCNA May 2023.052

Question 1

A 4-year-old neutered male ferret presents with bilateral symmetrical alopecia starting at the tail base and progressing cranially, along with mild pruritus and vulvar enlargement in a spayed female. What is the most likely diagnosis?
A. Seasonal alopecia
B. Adrenal gland disease
C. Sarcoptic mange

Answer 1

B. Adrenal gland disease

Question 2

A guinea pig presents with intense pruritus, alopecia, crusting, and occasional seizure-like episodes. Skin scraping is inconclusive. What is the most likely diagnosis?
A. Dermatophytosis
B. Trixacarus caviae infestation
C. Vitamin C deficiency

Answer 2

B. Trixacarus caviae infestation

Question 3

A rabbit develops thick, red-brown crusts in the external ear canals, accompanied by pruritus and head shaking. Which parasite is the most likely cause?
A. Psoroptes cuniculi
B. Cheyletiella parasitovorax
C. Sarcoptes scabiei

Answer 3

A. Psoroptes cuniculi

Question 4

An African pygmy hedgehog is presented with marked spine loss, erythema, and visible motile mites. Microscopy shows mites with three long setae on the third pair of legs. What is the most appropriate treatment?
A. Topical permethrin
B. Oral fluralaner
C. Topical lime sulfur dip

Answer 4

B. Oral fluralaner

Question 5

A chinchilla presents with patchy alopecia on the flanks and lumbar area. The owner reports the chinchilla has no enrichment or exercise opportunities. What is the most likely diagnosis?
A. Dermatophytosis
B. Fur chewing
C. Sebaceous adenitis

Answer 5

B. Fur chewing

Question 6

A veterinarian diagnoses a child with papular dermatitis after the child handled a rabbit with crusting lesions on its ears. Which zoonotic agent is the most likely cause?
A. Dermatophyte infection
B. Cheyletiella parasitovorax
C. Sarcoptes scabiei var. cuniculi

Answer 6

C. Sarcoptes scabiei var. cuniculi