Exam Questions and Answers | Latest Update | 100% Correct |
Question 1
what vessel is most commonly involved in acute mesenteric ischemia?
Correct Answer
SMA (superior mesenteric a.)
Question 2
how is the diagnosis of subacute thyroiditis made?
Correct Answer
clinical dx
neck pain, thyroid tenderness
suppressed TSH
T3/T4 mildly elevated
if clinical dx is not certain, US can be used to distinguish subacute from Graves. Graves has increased flow and subacute
has decreased flow. FNA rarely needed/used
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,Question 3
In a child with acute laryngotracheobronchitis, how should respiratory symptoms be managed?
Correct Answer
if stridor = racemic epinephrin
if wheezing = albuterol
*empiric antibiotics are giving if suspected bacterial causes (vancomycin + 3rd gen celphasporin)
Question 4
what route of administration should antibiotics be given for bacterial meningitis? What should be given along side the
antibiotics while treating empirically?
Correct Answer
IV works best to help better penetrate the BBB.
give dexamethasone while organism is unknown. Intravenous administration of glucocorticoids (usually dexamethasone)
prior to or at the time of administering antibiotics has been associated with a reduction in the rate of hearing loss, other
neurologic complications, and mortality in patients with meningitis caused by S. pneumoniae
Question 5
labs and testing to diagnose compartment syndrome?
Correct Answer
compartment pressure > 30-45 mmHg (Delta pressure = diastolic BP - measure compartment pressure.) increased CK
and myoglobin
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,Question 6
how would you treat otitis externa? what if the TM is perforated?
Correct Answer
mild disease - topical acetic acid + hydrocortisone
moderate disease - topical abx + steroid to cover staph and pseudomonas (first line consider quinolones (cipro) or
polymyxin-neomycin to cover both)
Preparations containing aminoglycosides should be avoided in ears where the integrity of the tympanic membrane
cannot be confirmed
Question 7
bamboo spine is pathognomonic for?
Correct Answer
ankylosing spondylitis
Question 8
What is Gilbert's syndrome?
Correct Answer
unconjugated hyperbilirubinemia. usually asymptomatic aside from jaundice
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, Question 9
what criteria is used for diagnosing pleural effusion as exudative? (give specifics)
Correct Answer
Lights criteria: (1 of the following)
Pleural fluid protein/serum protein ratio greater than 0.5
Pleural fluid LDH/serum LDH ratio greater than 0.6
Pleural fluid LDH greater than two-thirds the upper limits of the laboratory's normal serum LDH
*also not part of lights, but high cholesterol (>45 mg/dl) in fluid is indicative of exudative
Question 10
If you suspect an acute limb ischemia due to arterial embolism, what imaging should you get?
Correct Answer
catheter-based arteriography (digital subtraction arteriography) provides the most useful information. can also help with
treatment
can help distinguish between thrombosis and embolus
Question 11
diagnostics when viral pneumonia is suspected?
Correct Answer
CXR -> bilateral interstitial infiltrates, rapid antigen test for flu, RSV nasal swab, cold agglutinin titer that is negative
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