ATI LPN
Medical Surgical Endocrine Quiz Questions
Question 1 of 5
Regarding the adrenal glands:
Correct Answer: D
Rationale: Conn's syndrome (primary hyperaldosteronism) causes K^+ depletion due to excess aldosterone. The medulla isn't essential, the cortex is ~90% of the gland, and 17α-hydroxylase is in zona fasciculata/reticularis.
Question 2 of 5
Vitamin B_1 (thiamine) deficiency leads to:
Correct Answer: B
Rationale: Thiamine deficiency causes beriberi (wet or dry), affecting nerves and heart; other options relate to different vitamin deficiencies.
Question 3 of 5
Which is TRUE:
Correct Answer: D
Rationale: Gastrin promotes mucosal growth; G cells (not TG) secrete gastrin, secretin family includes CCK and VIP, G_{17} is principal, and G_{34} has a longer half-life.
Question 4 of 5
K^+ is actively reabsorbed from the GIT lumen in the:
Correct Answer: D
Rationale: K^+ is actively reabsorbed in the distal colon; most GIT segments secrete K^+ into the lumen.
Question 5 of 5
The nurse is caring for an 80-year-old patient with a history of type 2 diabetes and hypothyroidism. The physician wants to evaluate the patient's blood glucose levels and orders a fructosamine assay. Which factor best explains why the physician chose this test over other blood glucose tests?
Correct Answer: A
Rationale: Fructosamine measures glycated serum proteins, reflecting glucose control over 2-3 weeks, shorter than the 2-3 months of hemoglobin A1c, making it ideal for recent monitoring, especially in conditions like hypothyroidism that may affect A1c reliability.