If You Applied a Toxin That Blocked Non-Voltage-Gated Potassium Channels

question 20

Multiple Choice

If you applied a toxin that blocked non-voltage-gated potassium channels (i.e. ,the potassium "leak channels") in a resting neuron,it would cause the membrane potential to be

• A)less negative.
• B)more negative.
• C)No change would be observed.

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Definitions:

Enuresis

Repeated urination in clothing or in bed.

Bladder

A hollow muscular organ that stores urine excreted by the kidneys before it is discharged from the body.

Bedwetting

Involuntary urination while asleep after the age when bladder control usually occurs, clinically known as nocturnal enuresis.

Sleep Terrors

A sleep disorder causing feelings of terror or dread, and typically involving screaming, flailing, or panic during sleep.