ATI LPN
NCLEX Cardiovascular Questions Questions
Question 1 of 5
Which of the following terms identifies the anatomical region found between the lungs that extends from the sternum to the vertebral column and from the first rib to the diaphragm?
Correct Answer: D
Rationale: The mediastinum is the central region between the lungs, containing the heart and other structures.
Question 2 of 5
One function of the pericardial sac is protection against friction.
Correct Answer: A
Rationale: The pericardial sac contains fluid to reduce friction between the heart and surrounding structures during movement.
Question 3 of 5
Which of the following is another name for the visceral layer of the pericardium?
Correct Answer: B
Rationale: The visceral pericardium is also called the epicardium, adhering to the heart's surface.
Question 4 of 5
As the external iliac artery enters the thigh, its name changes to the:
Correct Answer: B
Rationale: The external iliac becomes the femoral artery in the thigh.
Question 5 of 5
Which of the following most accurately describes what is measured by an electrocardiogram?
Correct Answer: A
Rationale: An ECG measures the electrical activity of the heart, reflecting its conductivity.