ATI LPN
Questions for Cardiovascular Assessment Questions
Question 1 of 5
What factor dilates the arterioles?
Correct Answer: D
Rationale: Histamine causes vasodilation of arterioles by acting on H1 receptors on vascular smooth muscle.
Question 2 of 5
The cardiac output is determined by:
Correct Answer: D
Rationale: Cardiac output is influenced by heart rate, preload, and afterload collectively.
Question 3 of 5
Identify the vessels that return blood to the right atrium.
Correct Answer: A
Rationale: The right atrium receives deoxygenated blood from the coronary sinus, superior vena cava, and inferior vena cava.
Question 4 of 5
The T wave on an ECG (EKG) represents:
Correct Answer: D
Rationale: The T wave represents ventricular repolarization on an ECG.
Question 5 of 5
Which of the following is NOT a characteristic of veins?
Correct Answer: C
Rationale: Veins generally transport oxygen-poor blood, except for the pulmonary veins, which transport oxygen-rich blood from the lungs to the heart.