ATI LPN
Cardiovascular Disease Questions Questions
Question 1 of 5
Identify the vessels that branch off the ascending aorta.
Correct Answer: D
Rationale: The ascending aorta branches into the left and right coronary arteries, supplying the heart.
Question 2 of 5
Which wave in an electrocardiogram represents repolarization of the ventricles?
Correct Answer: B
Rationale: The T wave on an ECG represents ventricular repolarization, preparing the ventricles for the next cycle of depolarization and contraction.
Question 3 of 5
Precapillary sphincters are located in venules.
Correct Answer: B
Rationale: Precapillary sphincters are in arterioles, regulating blood entry into capillaries, not venules.
Question 4 of 5
The left atrioventricular valve is also called:
Correct Answer: D
Rationale: The left AV valve is known as both the mitral and bicuspid valve.
Question 5 of 5
Chordae tendineae are associated with which structure(s)?
Correct Answer: D
Rationale: Chordae tendineae are fibrous cords that connect the papillary muscles to the atrioventricular valve leaflets, supporting both the mitral and tricuspid valves.