When the blood sugar level falls too low, the hormone glucagon is released, causing the ____ to release stored glycogen into the blood.
A) pancreas
B) liver
C) duodenum
D) stomach
Question 2
The most common cause of adrenal insufficiency is:
A) autoimmune destruction of the cells producing the hormone
B) infections such as tuberculosis, histoplasmosis, and meningococcemia
C) hemorrhage into the adrenal glands
D) metastasis of malignant tumors