ATI LPN
Medical Surgical Endocrine Quiz Questions
Question 1 of 5
Which of the following is not occurring in the heart when the first heart sound (S1) is heard?
Correct Answer: D
Rationale: All occur: S1 marks AV closure, pressure rise, isovolumetric phase, QRS.
Question 2 of 5
A class of immunoglobulins found concentrated in breast milk, and thus serve to passively and naturally enhance the specific immune system of a newborn is:
Correct Answer: A
Rationale: IgA in breast milk provides passive mucosal immunity to newborns.
Question 3 of 5
An increase in the level of carbon dioxide in the blood will result in a(n):
Correct Answer: B
Rationale: High CO2 (hypercapnia) stimulates chemoreceptors, increasing respiratory rate.
Question 4 of 5
The dartos muscle is responsible for:
Correct Answer: C
Rationale: Dartos muscle wrinkles scrotum, aiding temperature regulation indirectly.
Question 5 of 5
Antacids are the mainstay of peptic ulcer therapy
Correct Answer: A
Rationale: Antacids neutralize gastric acid, providing symptomatic relief and promoting healing, making them a cornerstone of traditional peptic ulcer management.