This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET Jan 2020, Subject name: Medicine
Which of the following is NOT the feature of secondary ACTH deficiency? 
Select and explain. 
A. Hypotension, B. Fatigue, C. Hyperpigmentation, D. Anorexia
C: Hyperpigmentation
Answer: C: Hyperpigmentation 
Explanation: Clinical feature of secondary ACTH deficiency: Mineralocoicoid secretion is intact. Manifests more insidiously with lack of skin hyperpigmentation. Hypotension is seen with gluco-coicoid deficiency because of loss of control of inhibition of vasopressin. Fatigue, hyponatremia, and hypoglycaemia is also seen