Which of the Following Is a Normal Characteristic of a Motor

question 13

Multiple Choice

Which of the following is a normal characteristic of a motor unit potential?

• A) Amplitude of 10 to 50 mV
• B) Duration of 5 to 15 msec
• C) Usually has multiple phases (polyphasic)
• D) Low frequency (usually 1 to 5 per second)

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Definitions:

Normal Random Variable

A random variable that has a normal distribution, often used in statistics and probability theory.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating how much the values differ from the mean of the set.

Mean

The arithmetic average of a data set, obtained by adding all the numbers and dividing by the count of numbers.

Normal Random Variable

A variable whose occurrences are distributed according to the normal distribution.