Mites: Hair Follicle

Question 1

Follicle mite or demodectic mange mite are common names for _______________.

Answer 1

Follicle mite or demodectic mange mite are common names for Demodex canis.

Question 2

Demodex canis is distributed __________.

Answer 2

Demodex canis is distributed** worldwide**.

Question 3

___________ are up to 400um and have elongate tapering body with 4 pairs of stumpy legs.

Answer 3

Demodex canis are up to 400um and have elongate tapering body with 4 pairs of stumpy legs.

Question 4

Life cycle of Demodex canis

Answer 4

Entire life takes place in the hair follicles and sebaceous glands

A-E-L-N

Neonates thought to acquire from dam via direct contact

Question 5

Egg to adult of Demodex canis is __________.

Answer 5

Egg to adult of Demodex canis is 2-4weeks.

Question 6

D. canis are normal fauna of the skin, excessive proliferation can occur resulting in ______________.

Answer 6

D. canis are normal fauna of the skin, excessive proliferation can occur resulting in canine demodicosis.

Question 7

___________ characterized by mild, non-pruritic, patchy alopecia on the head or limbs, usually develops in puppies <6 m of age. Usually resolves without treatment.

Answer 7

Localized demodicosis characterized by mild, non-pruritic, patchy alopecia on the head or limbs, usually develops in puppies <6 m of age. Usually resolves without treatment.

Question 8

______________ moderate to severe form that in most cases is attributable to an overgrowth of mites believed to occur because of an underlying systemic disease or immune defect.

Answer 8

Generalized demodicosis moderate to severe form that in most cases is attributable to an overgrowth of mites believed to occur because of an underlying systemic disease or immune defect.

Question 9

_____________ characterized by alopecia which may involve several large coalescing areas, erythema and secondary pyoderma.

Answer 9

Generalized demodicosis characterized by alopecia which may involve several large coalescing areas, erythema and secondary pyoderma.

Question 10

___________ form of demodicosis that requires treatment.

Answer 10

Generalized demodicosis form of demodicosis that requires treatment.

Question 11

Diagnosis of Demodex canis

Answer 11

Deep skin scrape

Hair pluck

Question 12

Treatment for generalized demodicosis

Answer 12

Miticide

Evaluation for any underlying disorders

Antibiotic therapy

Question 13