Rosh 21

Question 1

haptoglobin

Answer 1

In blood plasma, haptoglobin binds to free hemoglobin

Question 2

proximal foreskin cannot be reduced distally over the glans penis, resulting in distal vascular congestion

Answer 2

paraphimosis
real emergency

Treatment is manual reduction or dorsal slit if reduction unsuccessful

Question 3

foreskin can’t be retracted (pulled back) from around the tip of the penis.

Answer 3

phimosis

treated by gentle retraction of the foreskin

Question 4

Pasteurella multocida is asc with

Answer 4

cat bites

rx augmentin

Question 5

SALTR mnemonics for remembering the Salter-Harris classification

Answer 5

SALTR
S: slipped (type I)
A: above or away from joint (type II)
L: lower (type III)
T: through or transverse or together (type IV)
R: ruined or rammed (type V)

Question 6

Fungal infection: fever, headache, malaise, myalgia, abdominal pain, and chills in an individual exposed to birds.

Answer 6

Histoplasma capsulatum

Question 7

Fungal infection: fever, cough, chest pain, fatigue, dyspnea, erythema nodosum, headache, arthralgias, myalgias in SW United States

Answer 7

Coccidioidomycosis

Question 8

Where is histoplasmosis typically found in the United States?

Answer 8

The Mississippi and Ohio river valleys in bird and bat droppings.

Question 9

Histoplasma capsulatum

Answer 9

mississippi ohio valley
bird/ bat exposure
Hilar lymphadenopathy is a common finding on chest radiography.

Question 10

desert valley fever

Answer 10

Coccidioidomycosis
fever, cough, chest pain, fatigue, dyspnea, headache, arthralgias, erythema nodosum, and myalgias typically in a patient living in the southwest United States

Question 11

presents with facial sensory nerve loss, orbital pain, proptosis, and oculomotor palsies.

Answer 11

Cavernous sinus thrombosis

Question 12

The cavernous sinus contains what nerves

Answer 12

CN III, IV, V1, V2, and VI.

Question 13

The maximum dose of lidocaine with epinephrine that can be injected into the peripheral tissues is

Answer 13

5-7 mg/kg

Question 14

How do the sensitivity and specificity relate to the positive likelihood ratio?

Answer 14

LR+ = Sensitivity / (1-specificity).

Question 15

Lateral medullary infarction

Answer 15

Wallenberg syndrome, presents with Horner syndrome (ptosis, miosis, anhidrosis), facial numbness, ipsilateral bulbar signs such as soft palate hemiparesis, contralateral pain, and temperature sensation loss.