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10765 Medicine

A young runner with history of seasonal running nose, complains of sudden onset dyspnea early morning that improved after 2-3 hours. He has history of similar episodes in the past.on examination, patient is tachypneic, diffuse polyphonic expiatory wheeze heard on auscultation of chest, His x-ray is normal. All except one is true regarding the clinical scenario.

ADiffusion Lung capacity for carbon monoxide is Normal
BFEV1% is decreased
CNecrosis of airways
DMicrovascular leakage resulting in airway edema.and plasma exudation into airway lumen
Medicine
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10766 Pathology

A 37-year-old HIV-positive man has had a relapsing and remitting course of motor and sensory problems for the past year, including difficulty with ambulation as well as symmetric numbness and tingling in all extremities. Nerve conduction studies show findings consistent with demyelination and remyelination. He is treated with plasmapheresis. Which of the following disorders is most likely to cause this man’s neurologic disease?

ABacterial infection
BCarcinoma
CHyperglycemia
DImmune dysregulation
Pathology
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10771 Medicine

All are true predisposing factors for gallstone formation, except:

AWeight loss leads to mobilization of tissue cholesterol leads to increased biliary cholesterol secretion while enterohepatic circulation of bile acids is decreased
BEstrogens inhibits hepatic lipoprotein receptors, decrease uptake of dietary cholesterol, and increase biliary cholesterol absorption
CGallbladder hypomotility leading to stasis and formation of sludge
DClofibrate therapy: Increased biliary secretion of cholesterol
Medicine
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