ATI LPN
ATI Medical Surgical Endocrine Quiz Questions
Question 1 of 5
In addition to thyroxine and triiodothyronine, the thyroid gland produces ________.
Correct Answer: C
Rationale: Calcitonin, from thyroid C-cells, regulates calcium levels.
Question 2 of 5
In __________ diabetes the pancreas is NOT producing insulin.
Correct Answer: A
Rationale: Type I diabetes involves autoimmune destruction of insulin-producing beta cells.
Question 3 of 5
What laboratory findings would the nurse expect in Mrs. Elber at time of diagnosis?
Correct Answer: D
Rationale: Primary hyperthyroidism (e.g., Graves' disease) shows increased thyroid activity, leading to elevated radioiodine uptake due to excess hormone production.
Question 4 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 5 of 5
Which of the following explains the suppression of lactation during pregnancy?
Correct Answer: D
Rationale: Although the high circulating levels of estrogen stimulate prolactin secretion during pregnancy, the action of prolactin on the breast is inhibited by progesterone and estrogen. After parturition, progesterone and estrogen levels decrease dramatically. Prolactin can then interact with its receptors in the breast, and lactation proceeds if initiated by suckling.