Exam 2 Derm Flashcards
True/False: Secondary lesions initially erupt as the result of an underlying disease and then they quickly disappear.
False
**primary lesions
What is the most common skin disease in canine species that are presenting with severe alopecia and pruritis?
a. Fleas
b. Food allergies
c. Atopic dermatitis
d. Superficial bacterial pyoderma
a. Fleas
Which of the following is a primary skin lesion?
a. Epidermal collarette
b. Lichenification
c. Fissure
d. Macule
e. Callus
d. Macule
Which of the following is a secondary skin lesion?
a. Papule
b. Excoriation
c. Pustule
d. Wheal
e. Nodule
b. Excoriation
Which of the following can be both a primary or secondary skin lesion?
a. Callus
b. Scar
c. Follicular casts
d. Tumor
e. Patch
c. Follicular casts
Which of the following tests would be done for demodex?
a. Deep scrape
b. Superficial scrape
c. Hair pluck/trichogram
d. Tape test
e. Fecal float
a. Deep scrape
Which of the following tests would be done to diagnose malassezia?
a. Deep scrape
b. Superficial scrape
c. Hair pluck/trichogram
d. Acetate tape test
e. Fecal float
d. Acetate tape test
Which of the following would help in the diagnosis of ancylostoma?
a. Deep scrape
b. Superficial scrape
c. Hair pluck/trichogram
d. Acetate tape test
e. Fecal float
e. Fecal float
Which of the following is false regarding woods lamp?
a. Its a fungal test that can be used to detect M. canis
b. Can have false positives due to the keratin, soaps, dyes, and meds
c. Need to wait 5-10 minutes before using it
d. All the above are true
d. All the above are true
Which of the following tests is gold standard for identifying environmental allergens?
a. Serology allergy test
b. Culture and sensitivity
c. Intradermal allergy test
d. Skin biopsy
e. Fungal culture
c. Intradermal allergy test
True/False: A fungal culture should be done on all cats with skin diseases and dogs with inflammatory lesions.
True
Which of the following is false regarding allergy testing serology?
a. They rely on antigen specific antibody levels
b. They rely on antibody specific antigen levels
c. They are quick and have no outlay
d. No sedation or clipping is required for this test
e. They’re not reliable tests for food allergens
b. They rely on antibody specific antigen levels
What are the three causes of pruritis?
Allergens
Ectoparasites
Infections
If a dog is seen licking or chewing at his feet what would you think the cause of this is?
Food allergy or atopy
What would you think of if a dog is presenting with derm signs of the elbows and ears?
Sarcoptic mange
Which of the following is not considered a disease that is extremly pruritic?
a. Flea bite allergy
b. Scabies
c. Atopic dermatitis
d. Food allergy
c. Atopic dermatitis
What two things do you think of if the owner said the itching came first?
Allergies and scabies
What comes to your mind if the lesions came first?
Demodex and Dermatophytosis
Which of the following does not cause a type 1 HST reaction?
a. Flea allergy dermatitis
b. Atopic dermatits
c. Contact dermatitis
d. Food allergy dermatitis
c. Contact dermatitis
**type 4 HST reaction
A dog comes into the clinic presenting with lumbosacral alopecia with lichenification and hyper pigmentation. You suspect that he has flea allergy dermatitis since its the most common. Which of the following is false?
a. You can do an intradermal flea allergy test to confirm diagnosis using saline as the negative control and histamine for the positive control
b. Elevated serum flea allergen is specifc for IgE
c. To eradicate the flea you much use a knock down product, insect growth regulator and environmental control
d. Monthly use of advantage will kill the adults and prevent egg shedding
e. Monthly use of Revolution will kill the adults and prevent the development of eggs and larvae
e. Monthly use of Revolution will kill the adults and prevent the development of eggs and larvae
**kills adults and prevents hatching, Vectra 3D prevents eggs and larva development
Which of the following is a knock down product that will eradicate fleas?
a. Capstar
b. Revolution
c. Promeris
d. Frontline Plus
e. Vectra 3D
a. Capstar
How often should animals be treated if fleas are on in contact animals?
Treat every 4 weeks
What is the most common flea in cats and what do they present with?
Ctenocephalides felis and can present with miliary dermatitis
What can we use to treat moderate to severe cases of secondary bacterial or yeast infections assocaited with flea allergy dermatitis once the pyoderma is eliminated?
Prednisolone to reduce/stop the pruritis