Practice Test Questions

Question 1

Best imaging suspected sigmoid volvulus?
special sign?

Answer 1

abdominal xray
coffee bean sign

Question 2

Best imaging for midgut volvulus

Answer 2

upper GI series

Question 3

rash ascends or descends in:
measles?
Rubella?
erythema infectiousum?
rubeola (causative agent?)?

Answer 3

descends
descends
(B19) slapped cheek then descends
HHV6 - lacy rash fever then trunk and thighs

Question 4

erythema multiforme rash appearance? distribution?

Answer 4

target,
palms soles face trunk

Question 5

treatment erythema multiforme?

Answer 5

consider steroids if severe symptoms

Question 6

cbc finding lead toxicity

Answer 6

microcytic anemia, basophilic stippling

Question 7

when to treat for iron toxicity?

Answer 7

level >500 ng/mL (unsure of unit)

Question 8

what level to admit for lead toxicity?

Answer 8

blood lead level > 70 µg/dL

Question 9

What is the treatment for lead toxicity?

Answer 9

dimercaprol + edetate calcium disodium
2,3-dimercaptosuccinic acid (DMSA) (outpatient)

Question 10

smell of mild garlic, what poisoning?

Answer 10

arsenic

Question 11

antidote iron overdose

Answer 11

deferoxamine

Question 12

treatment for severe arsenic poisoning?

Answer 12

supportive, exchange transfusion, may consider chelation (BAL, DMSA)

Question 13

what tylenol needs treatment at 4hrs?

Answer 13

150 μg/mL.

Question 14

three D’s of niacin deficiency?

Answer 14

pellagra: dermatitis, diarrhea, and dementia

Question 15

2 extra-renal complications of polycystic kidney disease?

Answer 15

Intra-cranial aneurysm, hepatic cysts

Question 16

dose of epi anaphylaxis in children?

Answer 16

0.1 mg/kg IM

Question 17

med for refractory anaphylaxis (not responding to epinephrine)?

Answer 17

glucagon

Question 18

formula for uncuffed ETT for children?

Answer 18

uncuffed ETT size = (age/4) + 4

Question 19

iatrogenic source of propylene glycol in seizure patients?

Answer 19

diluent used for phenytoin

Question 20

coverage for bacterial tracheitis?

Answer 20

MRSA plus oral flora

Question 21

Winter’s formula?

Answer 21

1.5x(change in bicarb from 24) + 8 +/-2

Question 22

central cord sensory and strength changes: worse upper or lower?

Answer 22

upper

Question 23

anterior cord syndrome: what’s preserved (strength, sensation, or proprioception?)

Answer 23

proprioception

Question 24

Bullous pemphigoid has IgG against what structure? Nikolsky positive or negative? tense or flaccid blisters?

Answer 24

IgG autoantibodies against the basement membrane
Nikolsky negative
Tense blisters

Question 25

Pemphigus vulgaris has IgG against what?
Nicholsky positive or negative? tense or flaccid blisters?

Answer 25

IgG autoantibodies against the desmosomes
oral involvement, flaccid bullae, and a positive Nikolsky sign

Question 26

most common bacterial for osteomyelitis?

Answer 26

Staph aureus

Question 27

joint fluid how many PMNs for septic arthritis?

Answer 27

> 100,000

Question 28

mnemonic for galeazzi and monteggia fractures? (which bone, which joint dislocated)

Answer 28

GRUsome MURder (galeazzi, radial fx ulnar dislocation, moteggia ulnar fracture radial dislocation)

Question 29

gamekeeper’s thumb is injury of what ligament?

Answer 29

ulnar collateral ligament?