ATI LPN
Cardiovascular Assessment Nursing Questions Questions
Question 1 of 5
Which vessel has the lowest PO2?
Correct Answer: D
Rationale: The umbilical artery carries deoxygenated blood from the fetus to the placenta, thus having the lowest PO2.
Question 2 of 5
The atrioventricular(AV) node is important for heart function because:
Correct Answer: D
Rationale: The AV node delays impulses to allow ventricular filling and directs impulses from atria to ventricles.
Question 3 of 5
Identify the valve that separates the right atrium and the right ventricle.
Correct Answer: D
Rationale: The tricuspid valve separates the right atrium and right ventricle, preventing backflow.
Question 4 of 5
During atrial systole, the atria are the ventricles are the AV valves are and the SL valves are
Correct Answer: B
Rationale: During atrial systole, atria contract, ventricles relax, AV valves are open, and semilunar (SL) valves are closed.
Question 5 of 5
Identify the process that allows for the movement of fluid into the capillary at its venous end.
Correct Answer: D
Rationale: At the venous end of capillaries, osmosis drives fluid movement into the capillaries due to the higher osmotic pressure of blood compared to tissue fluid.