Rosh 15

Question 1

target-like with a central dark papule surrounded by a pale area and a halo of erythema

Answer 1

Erythema Multiforme
most common cause HSV
rx: supportive

Question 2

___________ is associated with Lyme’s disease and skin condition called erythema migrans.

Answer 2

Borrelia burgdorferi

Question 3

Iron toxicity

Answer 3

Iron is directly corrosive to the GI mucosa- NVD

late: metabolic acidosis/ liver failure
rx: deferoxamine

Question 4

What test can help predict the need to intubate a patient with Guillain-Barré syndrome?

Answer 4

Negative inspiratory force (NIF) test.

Question 5

Tricyclic Antidepressants (TCA) Overdose

Answer 5

Anticholinergic sx (like bendryl) 
Na+ channel blockade
QRS prolongation
Seizures
Sodium bicarbonate

Question 6

What adverse side effect of fluoroquinolones such as ciprofloxacin prevent routine use in children?

Answer 6

Tendinitis and tendon rupture.

Question 7

Patient with a history of handling rabbits
Complaining of ulcer at wound site
PE will show ulceroglandular findings, conjunctivitis, pneumonia

Answer 7

tularemia

caused by Francisella tularensis

Question 8

_______ TB drug can cause optic neuritis resulting in decreased visual acuity and possible blindness.

Answer 8

Ethambutol

Question 9

Treatment for TB is

Answer 9

Latent TB: INH for 9 months, rifampin for 4 months, or INH/rifapentine for 3 months
Active/reactivation TB: rifampin, INH, pyrazinamide, ethambutol (RIPE)

Question 10

What is the most common complication of meningococcemia?

Answer 10

Myocarditis with congestive heart failure or conduction abnormalities.