Arteriosclerosis is:.
Build up of plaque in the arteries.
Aging of the arteries.
Abnormal thickening, hardening and loss of elasticity of the arteries.
Stretching of the arteries.
The Correct Answer is C
Choice A rationale:
The build-up of plaque in the arteries is a specific type of arteriosclerosis known as atherosclerosis.
Choice B rationale:
Aging of the arteries is not a precise definition of arteriosclerosis.
Choice C rationale:
Arteriosclerosis is characterized by the abnormal thickening, hardening, and loss of elasticity of the arteries.
Choice D rationale:
Stretching of the arteries is not a characteristic of arteriosclerosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
hoice A rationale:
External intercostals assist in inspiration by elevating the ribs and expanding the chest cavity.
Choice B rationale:
Abdominals are not the main muscles responsible for pulmonary ventilation.
Choice C rationale:
Internal intercostals assist in forced expiration.
Choice D rationale:
The diaphragm is the main muscle responsible for pulmonary ventilation.
So, the correct answer is Choice D, after analyzing all choices.
Correct Answer is D
Explanation
Choice A rationale:
Low blood viscosity is not the primary reason blood constantly circulates. It is the heart that creates the pressure increase in arteries that pushes blood through the body.
Choice B rationale:
Vasoconstriction and dilation are not the primary reasons blood constantly circulates. They are mechanisms that help regulate blood flow and pressure, but the constant circulation of blood is due to the beating of the heart.
Choice C rationale:
Pressure gradients play a role in blood circulation, but they are not the primary reason blood constantly circulates. The heart is the organ that creates the pressure increase in arteries that pushes blood through the body.
Choice D rationale:
The beating of the heart is the primary reason that blood constantly circulates throughout the body.
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