NBME 18 QUESTIONS WITH CORRECT ANSWERS

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A deficiency in what causes infantile neonatal RDS? Correct Answer - lethicin - aka dipalmitoylphosphatidylcholine L/S has to be greater than 2 Patient with long history of type 1 diabetes has ... loose stools for 1 year. Stool shows no abnormalities. Pathophysiologic mechanism most likely for cause of diarrhea? Correct Answer Diabetic diarrhea - type of autonomic neuropathy - occurs usually at night, is watery and painless, and can be associated with fecal incontinence - Bouts of diarrhea can be episodic, along with intermittently normal bowel habits or even alternating with periods of constipation. Ciprofloxacin use would be contraindicated if taking? Correct Answer - calcium carbonate *Multivalent (calcium, iron, magnesium) cations decrease absorption same with doxycycline Most likely cause of primary pericarditis? Correct Answer - Viral *more likely due to picornavirus Virus with viral particles with a wheel-like shape Correct Answer Rotavirus Is a type of Reovirus which is: double-stranded RNA, segmented, naked, icosahedral Red pulp of spleen Correct Answer - composed of connective tissue known as cords of Billroth and many splenic sinuses that are engorged with blood - *primary function is to filter the blood antigens, microorganisms, and defective or worn-out red blood cells* -Somone who underwent splenectomy and had a blood count showing target erythrocytes indicates a loss of function of the red pulp of the spleen greening reaction on blood agar Correct Answer - indicates alpha hemolysis aka strep pneumo, viridans, mutans, mitts *beta hemolysis is clear on blood agar and gamma shows no hemolysis Indole test is used to differentiate between Correct Answer - E. coli and Klebsiella [Show More]

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