ATI LPN
Medical Surgical Endocrine Practice Quiz Questions
Question 1 of 5
The primary role of the phosphate buffer system is to?
Correct Answer: C
Rationale: Phosphate buffers metabolic/fixed acids in blood and urine.
Question 2 of 5
Histamine stimulation produces a large increment in secretion over the basal rate
Correct Answer: B
Rationale: In Zollinger-Ellison syndrome, histamine stimulation produces minimal additional secretion because basal rates are already maximally elevated by gastrin.
Question 3 of 5
Gallstones are statistically associated in a positive way with all of the following except:
Correct Answer: D
Rationale: Gallstones are linked to age, female sex (especially premenopausal), obesity, and diabetes; 'none of these' is incorrect as all are risk factors.
Question 4 of 5
Spider fingers, high arched palate, aortic abnormalities and ectopic lenses are seen in what syndrome:
Correct Answer: C
Rationale: Marfan syndrome features arachnodactyly, high arched palate, aortic defects, and lens dislocation due to fibrillin-1 mutation.
Question 5 of 5
Insulin requirement for diabetics are reduced in:
Correct Answer: C
Rationale: Exercise increases insulin sensitivity and glucose uptake, reducing insulin needs.