Which of the Following Statements About Nicotine Is True

question 28

Multiple Choice

Which of the following statements about nicotine is true?

• A) It is a powerful central nervous system stimulant.
• B) It is mildly addictive.
• C) It causes a drop in blood pressure.
• D) It decreases production of adrenaline.

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Definitions:

Intercalated Discs

Specialized junctions between cardiac muscle cells that facilitate the synchronized contraction of the heart.

Excitation-Contraction Coupling

The physiological process of converting an electrical stimulus to a mechanical response, essential for muscle contraction.

Action Potential

A rapid and temporary electrical charge that travels along the membrane of a neuron, initiating the transmission of a nerve impulse.

Sarcolemma

The thin, plasmalemma (plasma membrane) surrounding a muscle fiber, crucial for transmitting signals and coordinating contractions.