Math

Question 1

Which of the following is equivalent to .25 seconds?

Answer 1

250 milliseconds

Question 2

What is a denominator?

Answer 2

The bottom or lower number of a fraction

Question 3

Radiographs taken with the patient in the _____ position are usually hung horizontally?

Answer 3

Decubitus

Question 4

When the SID is doubled, the intensity of the radiation in the radiation field is

Answer 4

Reduced by a factor of 4

Question 5

Which of the following expressions is an exponential expression of 100,000 as a power of 10?

Answer 5

10^5

Question 6

The upper or top number of a fraction is called a

Answer 6

Numerator

Question 7

A fraction in which the top number is larger than the bottom number is called an _____ fraction

Answer 7

Improper

Question 8

What is the proper method to hang an AP projection of the foot?

Answer 8

With the toes pointing toward the ceiling

Question 9

What causes an unexposed area at the top or bottom of a radiographic image?

Answer 9

CR not aligned with the IR

Question 10

What is the mAs when 400 mA is used with a 50-millisecond exposure time?

Answer 10

20

Question 11

What is the decimal form of 1/1000

Answer 11

.001

Question 12

What is the first step in systematic image review?

Answer 12

Check for accurate and complete image identification markers