ACTH,which is normally produced by pituitary cells,can also be produced by cells of a(n):
A) Brain tumor
B) Adrenal tumor
C) Carcinoma of the thyroid
D) Small-cell carcinoma of the lung
E) Ovarian carcinoma

Question

Quizplus · Accepted Answer

Small-cell carcinoma of the lung is known to produce ACTH in approximately 15-20% of cases, leading to Cushing's syndrome. Brain tumors, adrenal tumors, thyroid carcinomas, and ovarian carcinomas are not commonly associated with ACTH production.

ACTH,which Is Normally Produced by Pituitary Cells,can Also Be Produced