ATI LPN
Cardiovascular Questions Questions
Question 1 of 5
Which network of specialized cardiac muscle fibers provide a path for each cycle of cardiac excitation to progress through the heart?
Correct Answer: D
Rationale: The cardiac conduction system includes the sinoatrial node, atrioventricular node, bundle of His, and Purkinje fibers, orchestrating the sequence of electrical events leading to coordinated heart contractions.
Question 2 of 5
The visceral pericardium adheres to the surface of the heart.
Correct Answer: A
Rationale: The visceral pericardium (epicardium) directly covers the heart surface.
Question 3 of 5
All arteries of the systemic circulation branch from the:
Correct Answer: D
Rationale: The aorta is the origin of all systemic arteries.
Question 4 of 5
If the AV node were forced to assume pacemaker activity, what would be the resulting pulse rate?
Correct Answer: D
Rationale: If the AV node assumes pacemaker activity, the pulse rate typically ranges from 40 to 60 beats per minute.
Question 5 of 5
The pulse in the neck is felt over which artery?
Correct Answer: B
Rationale: The common carotid artery is located in the neck and is the primary site for feeling the carotid pulse due to its superficial position and strong pulsation.