ATI LPN
ATI Medical Surgical Endocrine Questions
Question 1 of 5
Regarding cholecystokinin-pancreozymin, which is TRUE?
Correct Answer: B
Rationale: CCK stimulates enzyme-rich pancreatic juice and gallbladder contraction; secretin stimulates HCO_3-rich juice.
Question 2 of 5
Although thyroid hormone levels decrease with advancing age, which mechanism offsets this output reduction?
Correct Answer: A
Rationale: The production of thyroid hormones decreases with age, but the decrease is offset by a matching decrease in the body's breakdown of the hormone. Changes in thyroid hormone levels are not affected by calcium, phosphorus, or mineralocorticoid levels.
Question 3 of 5
The nurse is caring for a patient who has been experiencing infertility. Which statement indicates that the patient understands the impact of inadequate luteinizing hormone (LH) levels?
Correct Answer: D
Rationale: LH is produced by the anterior pituitary gland. It targets the ovaries. LH stimulates ovulation and production of progesterone. LH does not affect maintenance of secondary sex characteristics, fluid retention, or menstrual cycle regularity.
Question 4 of 5
The family of steroid hormones are chemically derived from cholesterol and include:
Correct Answer: D
Rationale: Steroid hormones, derived from cholesterol, include corticosteroids (e.g., cortisol), sex hormones (e.g., testosterone, estrogen), and vitamin D, which share a similar chemical structure.
Question 5 of 5
The hypothalamic-pituitary-adrenal axis plays an essential role in the regulation of the human body's stress response, which is a physiological reaction to a perceived harmful event | When the stress response is triggered, the hypothalamus regulates the level of activity of the pituitary gland, the sympathetic nervous system and the adrenal gland to stimulate release of hormones including adrenaline and cortisol
Correct Answer: A
Rationale: The Assertion (A) is TRUE as the HPA axis regulates stress responses. The Reason (R) is TRUE, detailing how the hypothalamus triggers hormone release during stress. R explains A by describing the mechanism of the HPA axis in stress.