Patient with a history of diabetes recently diagnosed with hyperlipidemia. Which of the following drugs can't be used in this case due to risk of development of hyperglycemia?

Correct Answer: A

Rationale: Niacin can worsen hyperglycemia in diabetics.

Correct Answer: A

Rationale: Pressure in the ventricles is lowest during mid-diastole when the chambers are relaxed and filling passively.

Correct Answer: C

Rationale: Ventricular septal defect (VSD) is the most common congenital heart defect causing an initial left-to-right shunt due to higher left ventricular pressure.

Correct Answer: D

Rationale: Byssinosis, caused by cotton dust exposure, is a hypersensitivity pneumonitis seen in textile workers.

Correct Answer: C

Rationale: The human heart has four valves: tricuspid, pulmonary, mitral, and aortic.