Common viral infections and scabies

Question 1

Deep plantar warts are caused by

Answer 1

HPV 1

Question 2

Verruca vulgaris is caused by

Answer 2

HPV 2, 4, 27

Question 3

Verruca plana

Answer 3

HPV 3, 10, 28, 39

Question 4

Anogenital condylomata

Answer 4

HPV 6, 11

Question 5

Cervical intraepithelial neoplasia

Answer 5

HPV 6, 11
16, 18
31, 33, 35

Question 6

High risk for malignancy

Answer 6

HPV 16, 18

Low = 6, 11

Intermediate = 31, 33, 35

Question 7

HPV papules on penis

Answer 7

Bowenoid papulosis

Question 8

Differentiate plantar warts with calluses by

Answer 8

Paring surface to reveal thrombosed capillaries (positive for plantar warts)

Question 9

Feature of HPV lesions where scratching a lesion can spread it towards an area

Answer 9

Koebnerization

Koebner phenomenon

Question 10

Treatment for genital warts contraindicated in pregnancy

Answer 10

podophyllotoxin

Question 11

Newer medication for warts as a 5% cream, effective for genital warts and molluscum contagiosum

Answer 11

imiquimod

Question 12

Umbilicated pearly white or skin-colored papules

Answer 12

molluscum contagiosum

Question 13

Primary HSV infection systemic symptoms vs Recurrent HSV infection systemic symptoms

Answer 13

Primary: tender lymphadenopathy, headache, malaise, fever

Recurrent: minimal

Question 14

HSV more likely to reactivate

Answer 14

HSV-2 twice as more likely and recurs 8-10 times more frequently

Question 15

Clinical manifestation of primary HSV1 infection

Answer 15

gingivostomatitis and pharyngitis

Question 16

Swimming pools are a common vector for transmission

Answer 16

molluscum contagiosum

Question 17

Characterized by widely space bilateral lesions of external genitalia

Answer 17

HSV2

Question 18

Confirms diagnosis of HSV2

Answer 18

Tzanck smear

Question 19

Atopic dermatitis in the setting of a HSV infection (complication)

Answer 19

eczema herpeticum

Question 20

Treatments for HSV

Answer 20

Acyclovir (poor BA)

Valaciclovir (increased BA)

Question 21

Pruritic papules and burrows

Answer 21

Scabies

Question 22

Imaginary circle intersecting the main sites of predilection

Answer 22

circle of Hebra (scabies)

Question 23

DOC for scabies

Answer 23

permethrin