Addison's Disease and Adrenal Cortex — NEET Biology
📚 Practice ConceptUnderproduction of hormones by the adrenal cortex alters carbohydrate metabolism causing acute weakness and fatigue leading to a disease called Addison's disease.
In Addison’s disease, why do patients show low blood pressure, muscle weakness and fatigue? A. Adrenal cortex fails to secrete mineralocorticoids → low Na⁺ and water B. Reduced blood volume decreases cardiac output C. Less glucose from gluconeogenesis causes low ATP for muscles D. Respiration centre decreases ventilation rate to compensate
View solution & NCERT explanation
Correct answer: B — a, b and c only
Addison’s disease is adrenal cortical deficiency (Ch-19). It lowers Na⁺ and water (↓BP). Reduced volume ↓ cardiac output (Ch-15). Muscles lack ATP (Ch-17). Respiration may increase, but compensation is incomplete.
What does NCERT say about Underproduction hormones by adrenal?
Has this concept appeared in NEET?
Which chapter is this from?
Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.
176/180MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.
You just learned this concept. The free app turns it into a daily goal built from your weak topics and brings it back just before you forget it — using active recall and spaced repetition — so it stays till exam day.