ATI LPN
Cardiovascular Questions and Answers PDF Questions
Question 1 of 5
Cardiac muscle fibres are electrically connected to neighbouring fibres by
Correct Answer: C
Rationale: Gap junctions allow for the rapid transmission of electrical impulses between cardiac muscle cells, facilitating synchronized contractions of the heart.
Question 2 of 5
Both the internal and external carotid arteries bring blood to the brain.
Correct Answer: B
Rationale: The internal carotid supplies the brain, while the external carotid supplies the face and neck.
Question 3 of 5
The order of blood flow through the vessels is:
Correct Answer: B
Rationale: Blood flows from arteries to arterioles, capillaries, venules, and veins.
Question 4 of 5
Semilunar valves open into:
Correct Answer: D
Rationale: Semilunar valves open into both the aorta and the pulmonary artery.
Question 5 of 5
When you take a blood pressure reading, the first sound that you hear (the top reading) is the:
Correct Answer: B
Rationale: The first sound in a blood pressure reading, the systolic pressure, indicates ventricular contraction.