Radiology Part I

Question 1

The kVp setting on an x-ray machine controls the

Answer 1

Quality of the x-ray beam

Question 2

The milliampere-seconds (mAs) setting on an x-ray machine controls the

Answer 2

Quantity of x-rays emitted

Question 3

The cells that are most susceptible to the hazards of ionizing radiation are

Answer 3

The rapidly dividing cells of bone, lymphatics, and skin and leukocytes and hemopoietic cells

Question 4

There is a gloved hand visible on a radiograph. This is

Answer 4

A real concern, because the hand has been exposed to radiation

Question 5

Which of the following is a false statement regarding portable x-ray units?

Answer 5

Have a rotating anode tube and single focal spot

Question 6

If a radiograph is too light, and the image appears underpenetrated, you should

Answer 6

Increase kVp

Question 7

If a radiograph is too dark, but the image shows adequate penetration, you should

Answer 7

Decrease mAs

Question 8

What should we do if cracks are present in protective apparel, they appear when radiographed?

Answer 8

Do not use and replace them

Question 9

The minimum age, in years, for a person to be involved in radiographic procedures is

Answer 9

18

Question 10

In an x-ray tube, x-rays are formed on the

Answer 10

Tungsten target on the anode

Question 11

Which of the following are part of the 4 tissue densities ?

Answer 11

all of these

Question 12

Dosimetry badges should be

Answer 12

Worn on the collar outside the apron

Question 13

The minimum lead equivalence for protective radiographic aprons and gloves is

Answer 13

0.5 mm

Question 14

When taking radiographs, the veterinary technician should

Answer 14

Maximize distance between herself or himself and x-ray sources

Question 15

How can we reduce scatter radiation ?

Answer 15

Collimate as closely as possible