Which of the Following Is the First Response of the Body

question 37

Multiple Choice

Which of the following is the first response of the body to a blood vessel injury?

• A) Serotonin is secreted
• B) The blood vessel constricts
• C) Increased activity of procoagulants
• D) The formation of a platelet plug

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Definitions:

Sea Anemone

A marine animal with a polyp attached to the sea bottom, displaying a ring of tentacles around a central mouth.

Brittle Star

A type of echinoderm with a central disc and five long, slender, flexible arms, known for their ability to regenerate limbs and move by wriggling their arms.

Deuterostomes

Lineage of bilateral animals in which the second opening on the embryo surface develops into a mouth; for example, echinoderms and chordates.

Radial Symmetry

A symmetrical arrangement in which body parts radiate out from a central point, common in animals like jellyfish and starfish.