Which One of the Following Is NOT Correct About Prostaglandins

question 46

Multiple Choice

Which one of the following is NOT correct about prostaglandins?

• A) They are derivatives of arachidonic acid, an essential fatty acid.
• B) They are produced by endocrine glands.
• C) They have a localized effect on or near the cell in which they are made.
• D) They cannot be stored and must be synthesized on demand.
• E) They have a short term effect and are readily inactivated.

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Definitions:

Largest Artery

The largest artery in the human body is the aorta, which carries oxygenated blood from the heart to the rest of the body.

Aorta

The largest artery in the body, originating from the left ventricle of the heart and extending down to the abdomen, distributing oxygenated blood to all parts of the body.

Right Ventricle

The lower right chamber of the heart that receives deoxygenated blood from the right atrium and pumps it to the lungs for oxygenation.

Metarterioles

Small blood vessels that function as intermediaries between arterioles and capillaries, controlling blood flow into capillary beds with precapillary sphincters.