ATI LPN
Cardiovascular Disease NCLEX Questions Questions
Question 1 of 5
Identify the groove found on the surface of the heart and marks the boundary between the right and left ventricles.
Correct Answer: B
Rationale: The anterior interventricular sulcus separates the right and left ventricles on the heart's front.
Question 2 of 5
Precapillary sphincters increase the flow of blood through a tissue when they relax.
Correct Answer: A
Rationale: Relaxation of precapillary sphincters allows more blood into capillaries, increasing tissue perfusion.
Question 3 of 5
Which of the following is a semilunar valve?
Correct Answer: A
Rationale: The aortic valve is a semilunar valve, preventing backflow from the aorta.
Question 4 of 5
The first structure that blood leaving the left ventricle passes through is the:
Correct Answer: D
Rationale: Blood leaving the left ventricle passes through the aortic semilunar valve into the aorta.
Question 5 of 5
The semilunar valves open during this part of the cardiac cycle.
Correct Answer: B
Rationale: Semilunar valves open during ventricular contraction, allowing blood to be ejected into the arteries.