QUESTION

Hard

Science & Technology

Prelims 2024

Which one of the following is synthesised in human body that dilates blood vessels and increases blood flow ?

Select an option to attempt

Explanation

Nitric oxide (NO) is synthesized in the human body by the enzyme nitric oxide synthase from the amino acid arginine. It plays a crucial role in dilating blood vessels, which increases blood flow and reduces blood pressure. This function helps in regulating cardiovascular health.

Why the other options are incorrect:

B. Nitrous oxide: Used as an anesthetic, not a vasodilator.

C. Nitrogen dioxide: A toxic air pollutant, not involved in vasodilation.

D. Nitrogen pentoxide: A reactive compound, not related to blood vessel dilation.

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