ATI LPN
Cardiovascular Disease Questions Questions
Question 1 of 5
Regarding blood flow:
Correct Answer: D
Rationale: The Poiseville-Hagen formula describes the relationship between flow, pressure, viscosity, and radius in a tube.
Question 2 of 5
Identify the valve that prevents blood from flowing back into the right ventricle.
Correct Answer: B
Rationale: The pulmonary semilunar valve prevents blood from flowing back into the right ventricle from the pulmonary artery.
Question 3 of 5
What causes the semilunar valves to open?
Correct Answer: B
Rationale: The semilunar valves open when the pressure in the ventricles exceeds the pressure in the pulmonary trunk and aorta, forcing the valves to open and eject blood into these vessels.
Question 4 of 5
Inflammation of veins, called________, is a serious condition because a thromboembolism may occur.
Correct Answer: A
Rationale: Phlebitis refers to inflammation of veins, often associated with the risk of thrombus formation and subsequent embolism.
Question 5 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.