An 18-year-old woman is referred to a specialist because her periods have stopped

An 18-year-old woman is referred to a specialist because her periods have stopped. She reports occasional bouts of nausea, vomiting, and generalized weakness. Her blood pressure is 160/99 mm Hg; laboratory studies show a serum K+ level of 2.2 mEq/L. This patient suffers from a condition that affects the production of two of the three adrenal hormones, leaving only one functioning hormone. In which area of the adrenal gland is this one hormone produced?

(A) Capsule
(B) Medulla
© Zona fasciculata
(D) Zona glomerulosa
(E) Zona reticularis