Within 48 Hours of Your Last Cigarette, Which of the Following

question 130

Multiple Choice

Within 48 hours of your last cigarette, which of the following occurs?

• A) the chance of heart attack decreases.
• B) circulation improves.
• C) ability to smell and taste is enhanced.
• D) pulse rate drops to normal.

---

Definitions:

Neurons

Electrically excitable cells that process and transmit information through electrical and chemical signals in the nervous system.

Action Potential

A brief electrical impulse that a neuron uses to transmit information along its axon, essentially an on-off signal.

Axon

A narrow, elongated extension of a neuron that usually transmits electrical signals from the cell body of the nerve cell.

Refractory Period

The period immediately following the transmission of a nerve impulse or the contraction of a muscle during which a nerve or muscle is unresponsive to further stimulation.