Practice Test Questions Flashcards
Best imaging suspected sigmoid volvulus?
special sign?
abdominal xray
coffee bean sign
Best imaging for midgut volvulus
upper GI series
rash ascends or descends in:
measles?
Rubella?
erythema infectiousum?
rubeola (causative agent?)?
descends
descends
(B19) slapped cheek then descends
HHV6 - lacy rash fever then trunk and thighs
erythema multiforme rash appearance? distribution?
target,
palms soles face trunk
treatment erythema multiforme?
consider steroids if severe symptoms
cbc finding lead toxicity
microcytic anemia, basophilic stippling
when to treat for iron toxicity?
level >500 ng/mL (unsure of unit)
what level to admit for lead toxicity?
blood lead level > 70 µg/dL
What is the treatment for lead toxicity?
dimercaprol + edetate calcium disodium
2,3-dimercaptosuccinic acid (DMSA) (outpatient)
smell of mild garlic, what poisoning?
arsenic
antidote iron overdose
deferoxamine
treatment for severe arsenic poisoning?
supportive, exchange transfusion, may consider chelation (BAL, DMSA)
what tylenol needs treatment at 4hrs?
150 μg/mL.
three D’s of niacin deficiency?
pellagra: dermatitis, diarrhea, and dementia
2 extra-renal complications of polycystic kidney disease?
Intra-cranial aneurysm, hepatic cysts
dose of epi anaphylaxis in children?
0.1 mg/kg IM
med for refractory anaphylaxis (not responding to epinephrine)?
glucagon
formula for uncuffed ETT for children?
uncuffed ETT size = (age/4) + 4
iatrogenic source of propylene glycol in seizure patients?
diluent used for phenytoin
coverage for bacterial tracheitis?
MRSA plus oral flora
Winter’s formula?
1.5x(change in bicarb from 24) + 8 +/-2
central cord sensory and strength changes: worse upper or lower?
upper
anterior cord syndrome: what’s preserved (strength, sensation, or proprioception?)
proprioception
Bullous pemphigoid has IgG against what structure? Nikolsky positive or negative? tense or flaccid blisters?
IgG autoantibodies against the basement membrane
Nikolsky negative
Tense blisters