Ch. 1 & 2 Book Quesstions

Question 1

X-rays were discovered in experiments dealing with electricity and ___.

Answer 1

vacuum tubes

Question 2

The unit that measures the transfer of radiation energy into tissues is known as the ___.

Answer 2

Gy

Question 3

The cloud of electrons that forms before x-ray production is referred to as ___.

Answer 3

space charge

Question 4

Which primary exposure factor influences both the quantity and the quality of x-ray photons?

Answer 4

kVp

Question 5

The unit used to express tube current is ___.

Answer 5

mA

Question 6

According to the line-focus principle, as the target angle decreases, the effective focal spot size _____.

Answer 6

decreases

Question 7

What value of mAs is produced when the radiographer sets a kilovoltage peak of 70 kVp, a milliamperage of 600 mA, and an exposure time of 50 ms?

Answer 7

30 mAs

Question 8

Increasing the kVp results in ____.

Answer 8

x-rays with higher energy and more x-rays

Question 9

Total filtration in the x-ray beam includes ___ and ___, but does not include ___.

Answer 9

inherent filtration, added filtration, compensating filters