Atherosclerosis is?.
Stretching of the arteries.
Hardening of the arteries.
Aging of the arteries.
A build up of the substance called plaque in the arterial walls.
The Correct Answer is B
Choice A rationale:
Atherosclerosis does not involve the stretching of arteries.
Choice B rationale:
Atherosclerosis is characterized by the hardening of the arteries due to the buildup of plaque.
Choice C rationale:
Aging of the arteries is not the correct term for atherosclerosis.
Choice D rationale:
While plaque buildup is a feature of atherosclerosis, this choice does not fully capture the hardening aspect of the condition.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
Innate immunity is not an acquired immunity. Acquired immunity refers to immunity that develops after exposure to a specific pathogen.
Choice B rationale:
Innate immunity does not retain a memory of a pathogen after defeating it. This is a characteristic of adaptive immunity.
Choice C rationale:
Innate immunity does not offer protection against a particular pathogen. It provides a general defense against a wide range of invaders.
Choice D rationale:
Innate immunity is present at birth. It provides a fast response that involves first- and second-line defenses.
Correct Answer is C
Explanation
The correct answer is Choice C. -
Choice A rationale:
The bicuspid valve, also known as the mitral valve, prevents backflow from the left ventricle to the left atrium. -
Choice B rationale:
The semilunar valves include the aortic and pulmonary valves, but neither prevents backflow into the right atrium. -
Choice C rationale:
The tricuspid valve prevents backflow from the right ventricle to the right atrium. -
Choice D rationale:
The aortic valve prevents backflow from the aorta to the left ventricle.
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