LaKeisha Stepped on a Piece of Glass and Quickly Pulled

question 6

Multiple Choice

LaKeisha stepped on a piece of glass and quickly pulled her foot away from that sharp object. Which of the following are responsible for sending a message to the muscles in LaKeisha's foot, resulting in her pulling her foot away from the piece of glass?

• A) motor neurons
• B) interneurons
• C) sensory neurons
• D) reflexes

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Definitions:

Creatine Phosphate

A protein that stores extra phosphate groups.

Phosphate Groups

Functional groups consisting of a phosphorus atom bonded to four oxygen atoms, important in energy transfer and molecular signaling.

Acetylcholine

A neurotransmitter involved in the activation of muscle action, memory, and transmission of nerve impulses.

Intercalated Discs

Specialized connections between neighboring cardiac muscle cells that facilitate the rapid transmission of electrical impulses through the heart.