A Negative Contrast Agent Is _________

question 7

Multiple Choice

A negative contrast agent is _________.

• A) air
• B) iodine
• C) barium
• D) water

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Definitions:

Normal Probability Distribution

A continuous probability distribution characterized by a symmetrical bell-shaped curve, where the mean, median, and mode are all equal.

Standard Normal Distribution

A probability distribution that has a mean of zero and a standard deviation of one, also represented by the standard normal curve.

Z-score

A measure that describes a value's relationship to the mean of a group of values, represented in units of standard deviation.

Third Quartile

The value that divides the top 25% of a data set from the bottom 75%, often used as a measure of data spread.