Soal Ujian Kompetensi Dermatologi Hewan Kesayangan
A 6 year old Persian cat is depressed, slightly anorectic and lame. Finding of physical examination are unremarkable except for the skin. You find marked crusting of the inner aspects of the pinnae, intact pustules, periocular and nasal dcrusting and exudative paronychia. The hair coat is matted, with marked exfoliation. Result of a complete blood count, serum chemistry panel, and urinalysis are within normal limits. An antinuclear antibody test is negative. Cytologic examination of the contents of an intact pustules reveals full fileds of neutrophiles, no bacteria, and rafts of acantholytic cells. Histopathologic examination reveals subcorneal and intrangular pustular dermatitis with acantholysis but no evidence of bacteria. Direct immunofluorescence testing reveals deposition of immunoglobulins intercellualrly. The most likely cause of these finding is :
a. systemic lupus erytemaosus
b. drug eruption
c. pemphigus foliaceus
d. discoid lupus erythematosus
e. pemphigus vulgaris
Which of the following is not a cutaneus sign of hypoadrenocorticism in cats or dogs?
a. calcinosis cutis
b. thin, fragile skin
c. symmetric alopecia
Concerning atopy in dogs or cats, which statement is least accurate?
a. Atopy is a familial disease with definite breed predisposistions in dogs, such as terriers.
b. Atopic animals typically show facial, pedal, axillary and inguinal pruritus, but some dogs may show only pruritus of the ears.
c. Clinical sign may be seasonal or non seasonal
d. The primary skin lessions in atopy are hair loss, superficial pyoderma, milliary dermatitis, and seborrhea.
e. Treatment for non seasonal atopy includes hyposensiitization, which may takes as long as 9 month to produce a response.
Which of the following has not been implicated in the pathogenesis of flea-allergy dermatitis?
a. Type-1 hypersensitivity
b. Type-4 hypersensitivity
c. Late-phase immediate hypersensitivity reactions
d. Type-3 reactions
e. Cutaneous basophil hypersensitivity
Cutaneous asthenia is characterized by:
a. Abnormal skin elasticity and fragility
c. Abnormal haircoat shedding and hair replacement
d. Hyperesthesia and self-trauma
Which of the following is not a common skin tumor of cats?
a. Basal-cell carcinoma
b. Squamous-cell carcinoma
d. Mast-cell tumor
A 12-week-old Labrador retriever puppy is extremely depressed and anorectic. It has a rectal temperature of 40,28 C and the skin is painful to the touch. The ears, face and muzzle are swollen, and intact vesicles and pustules are present. There is periocular swelling and ulceration. Marked generalized lymphodenopathy is present, and numerous lymph nodes have abscessed. Nodular draining lesions are present on the trunk. According to the owner, lesions developed 4 days after vaccination. A complete blood count reveals leukocytosis and neutrophilia. Lymph node aspiration reveals suppurative inflammation. Cytologic examination of material from a pustule shows degenerative neutrophils but no bacteria. A skin scraping is negative for Demodex mites. The most likely cause of these findings is:
a. Occult juvenile demodecosis
b. Juvenile cellulitis
d. Systemic lupus erythematosus
e. Drug reaction
Concerning of structure and functions of skin in dogs and cats, which statement is least accurate?
Langhan’s cell are part of the skin pigmentary system
The epidermis of dogs and cats is thinner that that of people
Melanocytes are fewer in number in feline skin than in canine skin.
The tails gland (supracaudal gland, preen gland) in dogs and cats produces an oily substance believed to be important in olfactory recognition
The most common underlying cause of deep pyoderma in dogs is :
c. inadequatly treated superficial pyoderma
d. Proteus infection
Concerning intradermal testing in dogs and cats, which statement is least accurate?
a. Antihistamine and acepromazine may cause a flase-negative reaction.
b. Oral or parenteral glucocorticoids, but not topical glucocorticoids, may cause a flase-negative reaction.
c. Fear, pseudopregnancy or estrous may cause a flase-negative reactions
d. Infalmmation associated with severe superficial pyoderma may cause a flase-positive reaction.
e. Testing with antigen mixtures, or overdiluted allergen concentration may cause a false-negative reaction.
A dog has extreme pruritus of the feet, with some foot pads crusted and some not crusted. The least likely cause of these signs is :
a. hookworm dermatitis
b. Peloderma dermatitis
c. irritan contact reaction
d. contact allergy
e. biotin deficiency
Concerning dermatophyte culture, which statement is least accurate?
a. Cultures of samples obtained by hair-coat brushing with a toothbrush are the most reliable method for cats, especially suspected asymptomatic carriers
b. When culturing isolated lesion from dogs, it is best to swab the area with alcohol to minimized the number of contaminant fungi
Concerning mite infestation in cats and dogs which statement is least accurate?
a. Cheyletiellosis is characterized by scalling with or without pruritus
b. Scabies in dogs is an inetensively pruritic skin disease with a predilection for thinly haired areas of the body
c. Otodectes infestation in cats and dogs require treatments of the ears and the body for eradicatiod.
d. Demodecosis is a contagious mite infestation
e. Notoedric mange in cats has a predilection for the head, and mites are easily found on skin scrapings
Of the following of disease and causative microorganisms, which set is incorrect?
a. cat bite abscess, Pasteurella multocida
b. feline dermatophytosis, Microsporum canis
c. bubonic plaque, Yersinia pestis
d. Lyme disease, Ixodes dammini
e. bacterial granulomas (botryomycosis), coagulase-positive staphylococcus
Concerning the stucture and functions of the skin in dogs and cats, which statement is least accurate?
a. Langhan’s cell are part of the skin pigemntary system
b. The epidermis of dogs and cats is thinner than that the people
c. Melanocytes are fewer in number in feline skin than in canine skin
d. Ctas and dogs do not have accrine sweat glands in haired skin
e. The tails gland (supracaudal gland, preen gland) in dogs and cats produces an oily substance believed to be important in olfactory recognition
Selamat mengerjakan, mudah-mudahan ini memicu anda untuk membuka kembali buku-buku lama. Disarankan untuk membaca Current Veterinary Therapy, 5 Minute Veterinary Consult – Canine and Feline dan Textbook Small Animal Internal Medicine.
Bagi yang ingin jalan pintas mengetahui jawabannya, tunggu tanggal mainnya, oke…