ATI LPN
Cardiovascular Exam Questions Questions
Question 1 of 5
Abnormalities causing ECG changes in myocardial infarction include:
Correct Answer: B
Rationale: Delayed depolarisation occurs in myocardial infarction due to ischemic damage affecting the conduction system.
Question 2 of 5
What structures anchor the AV (atrioventricular) valves to the walls of the ventricles?
Correct Answer: C
Rationale: The chordae tendinae anchor the AV valves to the ventricular walls via papillary muscles.
Question 3 of 5
Cardiac output is equal to
Correct Answer: C
Rationale: Cardiac output is calculated as the product of heart rate and stroke volume.
Question 4 of 5
A measure of the arterial blood pressure over time is the
Correct Answer: A
Rationale: Mean arterial blood pressure represents the average pressure in arteries during one cardiac cycle.
Question 5 of 5
The main systemic arteries branch off of the
Correct Answer: B
Rationale: The aorta is the main artery from which all systemic arteries branch.