Metoprolol is a beta-blocker and not a first-line treatment for hypertension, while bendroflumethiazide is a thiazide diuretic recommended initially.

Diltiazem is a calcium channel blocker, while Bendroflumethiazide is a thiazide diuretic, which is more commonly used as first-line treatment for hypertension.

The incorrect answer, Ramipril, is an ACE inhibitor while the correct answer, Bendroflumethiazide, is a thiazide diuretic, which is the first-line treatment for hypertension.

Losartan is an angiotensin II receptor blocker and may be appropriate for some cases of hypertension, but for this patient, Bendroflumethiazide is preferred as a first-line treatment. Bendroflumethiazide is a thiazide diuretic which is often recommended as first-line treatment for hypertension in African American patients. Thiazide diuretics have been shown to be particularly effective in this population.