Difficulty in Swallowing May Be a Sign of Damage to Which

question 30

Multiple Choice

Difficulty in swallowing may be a sign of damage to which cranial nerve(s) ?

• A) vagus
• B) facial
• C) glossopharyngeal
• D) all of the above
• E) vagus and glossopharyngeal only

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Definitions:

Variance

A statistical measure of the dispersion representing how much the data points in a data set diverge from the mean value.

Mean

The arithmetic average of a set of numbers, calculated by adding them all together and dividing by the number of numbers.

Variance

A statistical measure of the dispersion of data points in a dataset, quantifying how far each data point lies from the mean.

Sum of Squared Deviations

The total of the squared differences between each observation and the mean of a dataset.