ATI LPN
Cardiovascular Med Surg Questions Questions
Question 1 of 5
Regarding the inputs into the vasomotor centre:
Correct Answer: D
Rationale: Atrial stretch receptors inhibit the vasomotor centre via reflex mechanisms.
Question 2 of 5
The heart wall receives blood from the
Correct Answer: B
Rationale: The coronary arteries supply oxygenated blood to the heart wall.
Question 3 of 5
Which of the following does NOT influence heart rate?
Correct Answer: D
Rationale: All listed factors can influence heart rate. Body temperature, emotions, and venous return affect heart rate through various mechanisms such as autonomic regulation and preload effects.
Question 4 of 5
Identify the two primary factors that determine blood pressure.
Correct Answer: B
Rationale: Blood pressure is primarily determined by cardiac output and peripheral resistance.
Question 5 of 5
What vessels drain oxygen poor blood from the brain, head, and neck?
Correct Answer: A
Rationale: The jugular veins drain deoxygenated blood from the brain, head, and neck.