ATI LPN
ATI Medical Surgical Endocrine Questions
Question 1 of 5
Melatonin's actions may include
Correct Answer: D
Rationale: Melatonin regulates sleep-wake cycles and acts as an antioxidant.
Question 2 of 5
Growth hormone
Correct Answer: B
Rationale: GH stimulates somatomedins (e.g., IGF-1) for growth.
Question 3 of 5
is a masculinizing hormone produced from the adrenal gland.
Correct Answer: B
Rationale: Adrenal androgens (e.g., DHEA) contribute to masculinization.
Question 4 of 5
All of the following increase insulin secretion EXCEPT:
Correct Answer: D
Rationale: α adrenergic stimulation inhibits insulin secretion via sympathetic activation, while β stimulation, acetylcholine, glucagon, and arginine (an amino acid) enhance it via various signaling pathways.
Question 5 of 5
The net production of ATP per mole of glucose metabolised aerobically is:
Correct Answer: D
Rationale: Aerobic metabolism of glucose yields 38 ATP per mole in most cells via glycolysis, TCA cycle, and oxidative phosphorylation.