NUR 529 Cardiovascular Physiology Test Bank 2026 | Most
Frequently Tested Questions | Graded A+
1. What is the primary event that occurs during the systolic phase of the cardiac
cycle?
The valves close to prevent backflow.
The heart generates electrical impulses.
The heart relaxes to fill with blood.
The heart contracts to pump blood out.
2. If a patient experiences increased venous return, how would this affect the
preload and subsequently the stroke volume?
Increased venous return would have no effect on preload or stroke
volume.
Increased venous return would decrease stroke volume due to higher
afterload.
Increased venous return would lower preload, resulting in decreased
stroke volume.
Increased venous return would raise preload, leading to an increase
in stroke volume.
3. A client is experiencing a sudden increase in heart rate resulting in less time
in diastole. this can result in which potential complication?
increased blood viscosity
loss of action potential
reduced cardiac contractility
decreased stroke volume
, 4. Describe the role of preload in the cardiac cycle and its impact on stroke
volume.
Preload influences stroke volume by determining the initial stretch
of the cardiac muscle fibers, which affects the force of contraction.
Preload decreases stroke volume by increasing arterial pressure.
Preload has no effect on the cardiac cycle.
Preload is unrelated to stroke volume and only affects heart rate.
5. What does the T wave indicate in an electrocardiogram?
Ventricular depolarization
Ventricular repolarization
Atrial repolarization
Atrial depolarization
6. What term describes the difference between end diastolic volume and end
systolic volume?
Cardiac output
Preload
Afterload
Stroke volume
7. In a scenario where a patient is experiencing a panic attack, how would
sympathetic nervous stimulation manifest in their cardiovascular system?
Decreased heart rate and blood pressure
Stable heart rate with fluctuating blood pressure
Frequently Tested Questions | Graded A+
1. What is the primary event that occurs during the systolic phase of the cardiac
cycle?
The valves close to prevent backflow.
The heart generates electrical impulses.
The heart relaxes to fill with blood.
The heart contracts to pump blood out.
2. If a patient experiences increased venous return, how would this affect the
preload and subsequently the stroke volume?
Increased venous return would have no effect on preload or stroke
volume.
Increased venous return would decrease stroke volume due to higher
afterload.
Increased venous return would lower preload, resulting in decreased
stroke volume.
Increased venous return would raise preload, leading to an increase
in stroke volume.
3. A client is experiencing a sudden increase in heart rate resulting in less time
in diastole. this can result in which potential complication?
increased blood viscosity
loss of action potential
reduced cardiac contractility
decreased stroke volume
, 4. Describe the role of preload in the cardiac cycle and its impact on stroke
volume.
Preload influences stroke volume by determining the initial stretch
of the cardiac muscle fibers, which affects the force of contraction.
Preload decreases stroke volume by increasing arterial pressure.
Preload has no effect on the cardiac cycle.
Preload is unrelated to stroke volume and only affects heart rate.
5. What does the T wave indicate in an electrocardiogram?
Ventricular depolarization
Ventricular repolarization
Atrial repolarization
Atrial depolarization
6. What term describes the difference between end diastolic volume and end
systolic volume?
Cardiac output
Preload
Afterload
Stroke volume
7. In a scenario where a patient is experiencing a panic attack, how would
sympathetic nervous stimulation manifest in their cardiovascular system?
Decreased heart rate and blood pressure
Stable heart rate with fluctuating blood pressure
