ATI RN
Cardiovascular System Assessment Questions Questions
Question 1 of 5
Stroke volume is the volume of blood:
Correct Answer: C
Rationale: Stroke volume (C) is the volume pumped per contraction (~70 mL). A is end-diastolic volume, B is end-systolic volume, D is cardiac output.
Question 2 of 5
Venous return does NOT depend on
Correct Answer: C
Rationale: Venous return relies on muscle pump (A), respiratory pump (B), and blood volume (D). Speed of flow (C) is an outcome, not a driver of return.
Question 3 of 5
List the sections of the aorta beginning with the section that leaves the heart.
Correct Answer: B
Rationale: The aorta’s sections from the heart are: ascending aorta, aortic arch, descending aorta (B). A, C, D misorder the sequence.
Question 4 of 5
With age, the size of the heart typically ___ and the resting heart rate ___
Correct Answer: D
Rationale: With age, the heart size increases (D) due to hypertrophy from workload, and resting heart rate decreases due to reduced autonomic responsiveness and fitness.
Question 5 of 5
The instrument used to measure blood pressure is known as:
Correct Answer: D
Rationale: A sphygmomanometer (D) measures blood pressure using a cuff and gauge. ECG (A) records heart electrical activity, barometer (B) atmospheric pressure, and manometer (C) general pressure.