ATI LPN
Medical Surgical Endocrine Questions Questions
Question 1 of 5
Regarding aldosterone:
Correct Answer: B
Rationale: Aldosterone has minor glucocorticoid action but primarily regulates Na^+/K^+ via nuclear receptors, not G-proteins. It responds to hyperkalemia, causes acidic urine, and is protein-bound.
Question 2 of 5
Which of the following is TRUE?
Correct Answer: B
Rationale: Colipase, secreted by the pancreas, activates pancreatic lipase by aiding fat digestion; cholera acts extracellularly, B_{12} uses intrinsic factor, and oxalates inhibit Ca2+ absorption.
Question 3 of 5
The total amount of fluid entering the intestine per day is:
Correct Answer: D
Rationale: ~9 L of fluid enters the gut daily: 2 L ingested, 7 L from secretions (saliva, gastric, pancreatic, etc.).
Question 4 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 5 of 5
Which action describes a function of aldosterone?
Correct Answer: A
Rationale: Aldosterone is classified as a mineralocorticoid. It promotes conservation of water by acting on the kidneys to retain sodium in exchange for potassium, which is excreted in the urine.