ATI LPN
ATI LPN Test Bank
ATI Medical Surgical Endocrine Questions
Question 1 of 5
All hormones
Correct Answer: D
Rationale: All hormones are metabolized and inactivated by enzymes in various tissues.
Question 2 of 5
do(es) not use a second messenger system.
Correct Answer: B
Rationale: Steroid hormones and thyroid hormone (TH) act directly via nuclear receptors.
Question 3 of 5
Permissiveness of hormones refers to the fact that
Correct Answer: C
Rationale: Permissiveness (e.g., thyroid hormone aiding epinephrine) enhances another hormone's effect.
Question 4 of 5
Melatonin's actions may include
Correct Answer: D
Rationale: Melatonin regulates sleep-wake cycles and acts as an antioxidant.
Question 5 of 5
Which of the following hormones is regulated by the anterior pituitary?
Correct Answer: B
Rationale: Cortisol is regulated by ACTH from the anterior pituitary.