When pheochromocytoma (tumor of the adrenal medulla) suddenly discharges a massive amount of epinephrine into the circulation, the patient's heart rate would be expected to:

Correct Answer: B

Rationale: Epinephrine directly increases heart rate via its chronotropic effect on the SA node.

Correct Answer: C

Rationale: Type III hyperlipoproteinemia results from Apo E deficiency, impairing remnant clearance.

Correct Answer: A

Rationale: Penicillin G with gentamicin is the standard treatment for Viridans streptococci endocarditis.

Correct Answer: C

Rationale: Thrombi on heart valves are termed vegetations, typical in endocarditis.

Correct Answer: C

Rationale: Cholestyramine binds bile acids, reducing cholesterol reabsorption.