ATI LPN
ATI Medical Surgical Endocrine Quiz Questions
Question 1 of 5
All the following are endocrine glands, EXCEPT the:
Correct Answer: A
Rationale: Sweat glands are exocrine, releasing sweat through ducts, unlike endocrine glands (adrenal, thyroid, pituitary) which secrete hormones into the bloodstream.
Question 2 of 5
Which of the following is true about hormones?
Correct Answer: B
Rationale: Hormones act via receptors on target cells, not in blood or lymph nodes; they vary chemically.
Question 3 of 5
is/are not stored in the secretory cell after being synthesized.
Correct Answer: C
Rationale: Steroids are lipophilic and diffuse out immediately after synthesis.
Question 4 of 5
In one kind of second-messenger system,
Correct Answer: D
Rationale: This describes the cAMP second-messenger system used by many hydrophilic hormones.
Question 5 of 5
With regards to circadian rhythms,
Correct Answer: D
Rationale: The suprachiasmatic nucleus (SCN) generates circadian rhythms via clock proteins.