All the following are false in thrombocytopenia except:

Correct Answer: B

Rationale: DIC diagnosis involves low platelets and fibrinogen due to consumption. HIT can occur with heparinoids (A is false), TTP is diagnosed clinically (C is false), and transfusions below 20,000 depend on bleeding risk (D is false).

Correct Answer: A

Rationale: In the absence of deteriorating renal function or refractory hypertension, conservative management with regular follow-up is sufficient for this patient.

Correct Answer: A

Rationale: Left-sided heart failure is characterized by pulmonary congestion and edema. Right-sided heart failure is characterized by congestion in the systemic venous system that increases systemic vascular resistance. Jugular vein distention is a classic sign of right-sided heart failure. Peripheral edema is seen in right-sided failure.

Correct Answer: B

Rationale: Heart failure is the fastest growing cardiac disorder at this time. The incidence and hospitalization rates associated with heart failure are reflective of the aging population in the United States. The incidence of heart failure is 10 per 1000 population in people over 65. Heart failure affects about 5.7 million Americans. More than 550,000 new cases of heart failure are diagnosed in the United States each year.

Correct Answer: C

Rationale: Tall peaked T-waves indicate hyperkalemia (K+ 8.0, C), a side effect of Spironolactone, a potassium-sparing diuretic.