Q- Which of the following medications is an alpha-1 blocker used for benign prostatic hyperplasia (BPH)?
A- Finasteride
B- Sildenafil
C- Spironolactone
D- Tamsulosin
D- Tamsulosin- It selectively blocks alpha-1A receptors in the prostate and bladder neck, easing urinary flow in BPH.
Q- Which of the following is a known adverse effect of chronic amiodarone use?
A- Gynecomastia
B- Hyperkalemia
C- Pulmonary fibrosis
D- Renal failure
C- Pulmonary fibrosis- Amiodarone, a class III antiarrhythmic, is associated with serious long-term effects like pulmonary fibrosis and thyroid dysfunction.
Q- Which of the following drugs can cause drug-induced lupus erythematosus?
A- Amlodipine
B- Atenolol
C- Isoniazid
D- Lisinopril
C- Isoniazid- it is one of the classic drugs known to cause lupus-like syndrome, along with hydralazine and procainamide.