An x-ray exposure of 100 mR is recorded at a distance of 40 inches. To reduce the exposure to 25 mR, to what will the distance need to be changed?

Letter d is a model of what muscle?

The difference between the t-distribution and the standard normal distribution is

The survival times of guinea pigs inoculated with an infectious viral strain vary from animal to animal. The distribution of survival times is strongly skewed to the right. The [blank] says that the average survival time of a large number of infected guinea pigs has a distribution that is close to the normal distribution.

Milliamperage-second (mAs) directly affects all of the following EXCEPT

(Continued) Assume each newborn baby has a probability of approximately 0.49 of being female and 0.51 of being male. For a family with three children, let X = number of children who are girls. The probability that the family has one girl and two boys is 

Which of the following are considered filter media as the beam traverses toward the patient?

List 4 side effects of radiation treatments to any 2 cancers of your choice.  Please indicate which type of cancer clearly in your answer.

Here is a link to access z table. TableA.pdf 

Name the muscle in this image, indicated by letter c?