Depolarization of the Cell Membrane Occurs When There Is a Rapid

question 56

Multiple Choice

Depolarization of the cell membrane occurs when there is a rapid influx (inflow) of

• A)potassium ions.
• B)chloride ions.
• C)calcium ions.
• D)sodium ions.
• E)amino acids.

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Definitions:

Nociceptors

Sensory receptors that send signals to the brain in response to potentially harmful stimuli, causing the perception of pain.

Endorphins

Natural chemicals produced in the brain that act as painkillers and mood enhancers, often released in response to stress or physical activity.

Olfactory Receptors

Olfactory receptors are specialized nerve cells responsible for detecting odors and initiating the sense of smell.

Starchy

Relating to foods high in starch, like potatoes, which provide energy.