In the Past Randi Had Only to Drink Two Beers

question 25

Multiple Choice

In the past Randi had only to drink two beers before she felt a "buzz." Now she must drink five or more beers to get that "buzz." Randi is exhibiting

• A) tolerance.
• B) withdrawal.
• C) psychological dependence.
• D) addiction.

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Definitions:

Afterpotential

The electrical changes that occur in a neuron immediately following an action potential, which can affect the neuron's ability to fire again.

Permeability

Permeability refers to the ability of a material or membrane to allow liquids or gases to pass through it.

Sodium-Potassium Pump

The sodium-potassium pump is a membrane-bound enzyme critical for cellular function, actively transporting sodium out of and potassium into cells, helping maintain cellular electrochemical gradients.

Action Potential

An action potential is a rapid electrical impulse that travels along the membrane of a neuron or muscle cell, facilitating communication and response.