During a CT Scan of the Head and Body, a Patient

question 61

Multiple Choice

During a CT scan of the head and body, a patient receives 100 mrad of gamma radiation. What is the effective dose of gamma radiation that the patient received? Note that the quality factor for gamma radiation is 1.

• A) 100 mrem
• B) 0.010 rem
• C) 1 mrem
• D) 0.1 mrem
• E) 0.01 mrem

---

Definitions:

Negatively Skewed

A distribution of data where most values cluster at the high end with a tail extending to the low end, indicating that the median is greater than the mean.

Positively Skewed

A distribution of data where more values fall on the left-hand side of the distribution, making the tail on the right longer or fatter.

Correlation Coefficient

A statistical measure that indicates the extent to which two variables fluctuate together, reflecting the strength and direction of their relationship.

Correlation Coefficient

A statistical measure that calculates the strength and direction of a linear relationship between two variables on a scatterplot.