ANATOMY
LIMB VASCULATURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which statement below about nitric oxide and auto-regulation of blood flow is false.
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Nitric oxide is a liquid that acts as a signaling molecule
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Nitric oxide dilates blood vessels and therefore decrease vascular resistance.
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Less nitric oxide is produced by the vascular endothelium cells in older people and people with coronary heart disease.
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Nitric oxide is produced in endothelial cells and released in response to vascular stress.
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Explanation:
Detailed explanation-1: -Nitric oxide dilates blood vessels, raising blood supply and lowering blood pressure. Conversely, it helps protect tissues from damage due to low blood supply. Also a neurotransmitter, nitric oxide acts in the nitrergic neurons active on smooth muscle, abundant in the gastrointestinal tract and erectile tissue.
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