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 A
Explanation
Choice A rationale:
Arteries carry oxygen-rich blood away from the heart to various organs and tissues.
Choice B rationale:
Arteries do not carry blood away from the body. They transport blood within the body.
Choice C rationale:
While arteries do distribute blood throughout the body, this statement is too general and does not accurately describe the primary function of arteries.
Choice D rationale:
Arteries do not carry blood to the heart; this is the function of veins.
Correct Answer is B
Explanation
The correct answer is Choice B.
Choice A rationale:
Nitrogen is the most abundant gas in the atmosphere, but it is not the primary regulator of respiration.
Choice B rationale:
Carbon dioxide (CO2) is the main chemical regulator of respiration and the potent stimulus of the respiratory centers via the arterial chemoreceptors and directly on the central chemoreceptors.
Choice C rationale:
Oxygen is essential for cellular respiration, but it is not the primary regulator of respiration.
Choice D rationale:
Bicarbonate plays a role in maintaining the pH balance in the blood and is not the primary regulator of respiration.
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