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Repeated USMLE Questions Step 2 CK- 481



Q- Which of the following is the best initial management of esophageal candidiasis in an HIV patient?

A- Intravenous amphotericin

B- Oral fluconazole

C- Oral nystatin

D- Upper endoscopy

B- Oral fluconazole- is the best initial treatment. Upper endoscopy is performed if it’s not effective followed by IV amphotericin if confirmed. Oral nystatin is used locally for oral thrush.



Q- Which of the following is the best screening test for colon cancer?

A- Barium enema

B- Blood in stool (FOBT)

C- Colonoscopy

D- Sigmoidoscopy

C- Colonoscopy- Colon cancer usually starts proximal to the rectum so, sigmoidoscopy is incorrect. Other choices could be false positive and they have no chance to remove polyps.



Q- Which of the following is the most important risk factor for coronary artery disease?

A- High LDL cholesterol

B- High total cholesterol

C- Low HDL cholesterol

D- Obesity

A- High LDL cholesterol- All of the above are risk factor for coronary artery disease but the most dangerous one is elevation of LDL cholesterol.



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