When Anesthesia or Toxins, Such as Tetrodotoxin from the Puffer

question 76

Multiple Choice

When anesthesia or toxins, such as tetrodotoxin from the puffer fish, block a sodium channel, they

• A)prevent an action potential from occurring.
• B)cause a negative after-potential to occur.
• C)decrease the amount of dopamine at the receptor sites.
• D)cause an excessive release of acetylcholine into the synaptic cleft.

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Definitions:

Mean

A statistical measure representing the average value in a set of numbers, calculated by dividing the sum of all values by the number of values.

Median

The middle value in a list of numbers, which divides the dataset into two halves.

Mode

The value that occurs most frequently in a given set of data.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values; a low standard deviation indicates that the values tend to be close to the mean of the set.