Which layer of the epidermis is absent in the haired skin of dogs and cats?
Anatomy Physiology
Question · Easy
Which adnexal gland produces sebum to lubricate the hair and skin?
Which skin scraping technique is most appropriate for diagnosing Demodex canis?
Diagnostics
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What is the most common bacterial cause of superficial pyoderma in dogs?
Bacterial Disease
Which Malassezia species is the most common yeast isolated from canine skin and ears?
Fungal Disease
What is the classic distribution pattern of flea allergy dermatitis in dogs?
Allergic Disease
Which medication is a Janus kinase (JAK) inhibitor used to control pruritus in dogs with atopic dermatitis?
Therapeutics
Which mite burrows in superficial skin and causes intense pruritus with lesions classically affecting ear margins, elbows, and hocks in dogs?
Parasitic Disease
Approximately what percentage of Microsporum canis infections fluoresce apple-green under a Wood's lamp?
Which shampoo ingredient is both antibacterial and antifungal and is considered a workhorse for canine pyoderma and Malassezia dermatitis?
Which of the following is the gold standard test for identifying allergen-specific hypersensitivity in atopic dogs?
Which hair growth phase predominates in a normal trichogram from a non-shedding area?
Which ear mite is the most common cause of otitis externa in cats?
Which breed is classically predisposed to primary seborrhea?
Keratinization Disorders
Which of the following is NOT a recognized isoxazoline-class flea/tick/mite medication?
Which fungal culture medium changes from yellow to red in the presence of dermatophyte growth?
What is the recommended minimum duration of a strict elimination diet trial to diagnose cutaneous adverse food reaction in dogs?
Pemphigus foliaceus is characterized cytologically by which finding?
Autoimmune Disease
Which recommended dose of itraconazole is used for treating canine/feline dermatophytosis?
Lokivetmab (Cytopoint) works by neutralizing which cytokine?
A 3-year-old West Highland White Terrier presents with chronic licking of feet, axillary and inguinal pruritus, and recurrent otitis externa. Favrot's criteria are met. What is the most likely diagnosis?
Question · Medium
Which of the following best distinguishes adult-onset generalized demodicosis from juvenile-onset in dogs?
Favrot's criteria are used as clinical support for diagnosing which condition?
Which hydrolyzed diet uses soy hydrolysate and is commonly used for elimination trials in dogs?
Which mite is NOT contagious between cats but lives on the stratum corneum and is diagnosed by fecal flotation or tape prep?
Methicillin-resistant Staphylococcus pseudintermedius (MRSP) resistance is mediated by which gene?
Which feline dermatologic lesion is characterized by well-demarcated, raised, erythematous, intensely pruritic plaques most often on the abdomen or medial thighs?
Feline Dermatology
Uveodermatologic syndrome (VKH-like) is most commonly reported in which breed?
Which equine skin tumor is most strongly associated with bovine papillomavirus and frequently affects the eyelids, limbs, and ventrum?
Equine Dermatology
'Rain rot' in horses is caused by which organism?
Sweet itch (insect bite hypersensitivity) in horses is caused by hypersensitivity to saliva from which insect?
The Patnaik grading system for canine cutaneous mast cell tumors has how many grades?
Neoplasia
Which feline skin tumor is strongly associated with chronic UV exposure and most commonly affects non-pigmented nasal planum, pinnae, and eyelids?
The primary, predisposing, and perpetuating factor model (PSPP) for otitis externa classifies otic parasites in which category?
Otic Disease
A cytology from an ear with cocci, many neutrophils, and intracellular bacteria most likely indicates which organism?
Which pathogen is most likely when ear cytology shows predominant rods?
Which of the following topical otic products contains florfenicol, terbinafine, and betamethasone for single-application treatment?
Which classic endocrinopathy produces bilaterally symmetric truncal alopecia, thin skin, comedones, and calcinosis cutis in dogs?
Endocrine Disease
The 'rat tail' and 'tragic face' appearance are classic in which canine endocrinopathy?
Which shampoo ingredient combination is classically used for comedones and follicular flushing in cases with follicular plugging?
What is the most appropriate biopsy technique for a pustule suspicious for pemphigus foliaceus?
Which antihistamine is commonly recommended for cats with pruritus and is generally considered the most effective feline antihistamine option?
Omega-3 fatty acids (EPA) provide antipruritic benefits in atopic dogs at approximately what dose?
Which skin structure is targeted by autoantibodies in pemphigus foliaceus of dogs?
Which diagnostic test is most appropriate to confirm Sarcoptes infestation when scrapings are repeatedly negative?
Which feature differentiates discoid lupus erythematosus (DLE) from pemphigus foliaceus?
Cyclosporine (Atopica) for canine atopic dermatitis is typically dosed at:
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