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ADA NBDHE Dental Hygienist

Category - Scientific Basis for Dental Hygiene Practice

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Where is the release site of nitric oxide?

Vasoactive amines
Nitro tubes
Endothelial cells
Arachidonic acid

Explanation

Answer: C - Endothelial cells release nitric oxide. Nitric oxide causes vasodilation by relaxing vascular smooth muscle. It acts as a mediator of host defense against infection.

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