COMPREHENSIVE STUDY GUIDE 2026
PRACTICE QUESTIONS AND ACCURATE
ANSWERS GRADED A+
◉ Toxic trait synovitis. Answer: Unilateral inflammation arthritis;
acute onset; decreased ROM extension and internal rotation; painful
hip, crying at night; common in boy 3-6 y/o
◉ Toxic trait synovitis Dx and Tx. Answer: Dx: WBC with
leukocytosis, increased ESR, hip xray normal
To: BR, NSAIDs, non WB
◉ Impetigo. Answer: Superficial layers of the skin
Nonbullous or bullous
nonbullous= honey-colored crusts on lesions
caused by group A streptococcus, S.aerous or MRSA
occurs more in summer months, low socioeconomic class
◉ Impetigo exam. Answer: Lesions on hand, face, neck, extremities
or perineium; regional lymphadenopathy
,◉ Impetigo treatment. Answer: Topical antx if superficial,
nonbullous or localized to one area
bacitracin
neomycin
polymyxin B
Widespread infection again S. Aerous= Augmentin, cephelexin,
dicloxacillin, cloxacillin for 7-10 days
◉ Cellulitis. Answer: In children often periorbital, perivaginal,
perinatal, or buccal
◉ Cellulitis hx. Answer: Recent URI, fever, pain, malaise
◉ Cellulitis exam. Answer: Buccal cellulitis-blue/purple tinged=
h.influenzae
◉ Cellulitis Dx. Answer: CBC, BCx if child appears toxic, has fever, or
is <1
◉ Cellulitis tx. Answer: IV antx
if streptococcal= PCN, if allergy 3rd generation cephalosporin
if staphylococcus=bactrim if child >2 months; doxy if child >8 and <
45 kg
,MRSA suspected= clindamycin
H.influenzae=augmentin x 10 days
◉ Folliculitis. Answer: Infection of hair follicle; s. Aerous most
common
◉ furnucle. Answer: Deeper infection of hair follicle involving the
deep dermis
◉ Hot tub folliculitis. Answer: Pseudomonas aeruginosa
◉ Dx of folliculitis & furnucle. Answer: Grain stain and cx
◉ Management of folliculitis and furnucle. Answer: Warm
compresses, benzoyl peroxide
if superficial- topical antx-erythromycin or clindamycin
if severe or widespread- cephalexin or dicloxacillin
◉ Paronychia. Answer: Infection around fingernail/toenail
S.aerous #1 then streptococcus or pseudomonas
◉ Paronychia tx. Answer: Systemic oral antx if acute infection
present
, candida-nystatin
if purulant-loosen cuticle with blade
◉ Candiasis. Answer: Tx: thrush-oral nystatin QID
if resistant to tx: oral fluconazole
skin diaper rash-nystatin, ketonazole
◉ Tinea captitis. Answer: ringworm of the scalp
diffuse fine scale without obvious hair loss
discrete area of hair loss with broken hairs (black dot ringworm)
trichophyton tonsurans and microsporum canis-most common
organisms
African American boys most common
◉ tx of tinea capitis. Answer: griseofulvin ultramicrosize once or
twice daily for 6-8 weeks, take with fatty food to increase absorption
shampoo with econazole or ketonazole in addition
◉ tinea corporis. Answer: ringworm
found on non hairy part of body