A nurse is assisting with teaching a class about pulmonary circulation. The nurse should include that blood flow from the right ventricle leaves the heart to go to the lungs through which of the following locations?
Pulmonary artery.
Left atrium.
Pulmonary veins.
Left ventricle.
The Correct Answer is A
Choice A rationale:
The right ventricle pumps deoxygenated blood to the lungs via the pulmonary artery. This is the only artery in the body that carries deoxygenated blood.
Choice B rationale:
The left atrium receives oxygenated blood from the lungs via the pulmonary veins, not the right ventricle.
Choice C rationale:
Pulmonary veins carry oxygenated blood from the lungs to the left atrium, not from the right ventricle to the lungs.
Choice D rationale:
The left ventricle pumps oxygenated blood to the rest of the body through the aorta, not to the lungs.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Captopril is an ACE inhibitor, not a beta blocker. It’s used to treat hypertension, but it’s not a beta blocker.
Choice B rationale:
Warfarin is an anticoagulant, not a beta blocker. It’s used to prevent blood clots, not to treat hypertension.
Choice C rationale:
Atenolol is a beta blocker. It’s often prescribed for hypertension because it can reduce the workload on the heart and help it beat more regularly.
Choice D rationale:
Aspirin is a nonsteroidal anti-inflammatory drug (NSAID), not a beta blocker. It’s often used to reduce pain or inflammation, and can help prevent heart attacks in some people, but it’s not used to treat hypertension.
Correct Answer is B
Explanation
Choice A rationale:
Temperature does not directly affect cardiac output, which is the volume of blood the heart pumps per minute.
Choice B rationale:
Heart rate is needed to calculate cardiac output as it is the number of heart beats per minute.
Choice C rationale:
Blood pressure is not used in the calculation of cardiac output.
Choice D rationale:
Respiratory rate does not directly influence cardiac output.
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