ATI LPN
Questions About the Cardiovascular System Questions
Question 1 of 5
The membrane that surrounds and protects the heart is called the
Correct Answer: A
Rationale: The pericardium is the protective sac around the heart.
Question 2 of 5
Blockage of the hepatic portal vein can cause an increase in capillary pressure in other veins of the abdomen, leading to abdominal bloating called ascites.
Correct Answer: A
Rationale: Hepatic portal vein blockage increases pressure in abdominal veins, causing fluid leakage into the abdomen (ascites).
Question 3 of 5
The thickest layer of tissue in the heart wall is the:
Correct Answer: C
Rationale: The myocardium, the muscular layer, is the thickest part of the heart wall for pumping.
Question 4 of 5
Which of the following is not true of the pulmonary artery?
Correct Answer: B
Rationale: The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs, not from the left ventricle.
Question 5 of 5
Which of the following would not cause an ectopic beat?
Correct Answer: C
Rationale: Ectopic beats originate from areas other than the SA node; thus, the SA node itself does not cause ectopic beats.