ATI LPN
PN Learning System Medical Surgical Endocrine Practice Quiz Questions
Question 1 of 5
Which statement is correct regarding the Frank-Starling Principle (Starling's Law)?
Correct Answer: A
Rationale: SV rises with EDV (preload) due to stretch; others are unrelated or opposite.
Question 2 of 5
A sensitized B cell is activated once:
Correct Answer: A
Rationale: Helper T cells release cytokines to activate B cells for antibody production.
Question 3 of 5
Identify and calculate the following volumes and capacities: Expiratory Reserve Volume
Correct Answer: C
Rationale: ERV is 1000 mL, extra air exhaled beyond TV.
Question 4 of 5
The is the endometrial layer that remains essentially unchanged during the menstrual cycle.
Correct Answer: C
Rationale: Basal layer persists, regenerating functional layer each cycle.
Question 5 of 5
All the following may be used in treating peptic ulcer except:
Correct Answer: D
Rationale: Xanthine alkaloids (e.g., caffeine) increase gastric acid secretion and are contraindicated in peptic ulcer treatment, unlike the other options which reduce acid or stress.