Chapter 1 and 2 worksheet

Question 1

Energy is defined as:

Answer 1

The ability to do work.

Question 2

Which of the following examples best represents energy?

A snowman, a bouncing ball, anode mass, the metal plates in a battery, the terminals of a battery.

Answer 2

Bouncing ball.

Question 3

In Einstein’s famous E=mc^2 equation, c stands for what?

Answer 3

The speed of light.

Question 4

Radiation is:

Answer 4

Energy transferred.

Question 5

The roentgen relates to which of the following?

Answer 5

Ions produced in the air.

Question 6

Which of the following is an example of electromagnetic radiation?

Answer 6

Visible light.

Question 7

X-rays are *most* like which of the following?
Alpha rays
Beta rays
Diagnostic ultrasound
Gamma rays
Radio waves

Answer 7

Gamma rays

Question 8

Which of the following is the larger source of human exposure to man-made radiation?
Cosmic rays
Medical diagnostic X-rays
nuclear power-generating stations
Radioactive fallout
Radioactive materials in consumer products

Answer 8

Medical diagnostic xrays

Question 9

Which of the following results in the highest annual radiation dose?
Cosmic rays
Diagnostic X-rays
Nuclear power
Radiation from inside the earth

Answer 9

Radiation from inside the earth.

Question 10

The rad is related most closely to which of the following?
Dose equivalent
Radiation exposure
The gray
The joule
The sievert

Answer 10

The gray

Question 11

Which of the following is ionizing electromagnetic radiation?
Beta rays
Gamma rays
Microwaves
Radio waves
Ultrasound

Answer 11

Gamma rays

Question 12

Which of the following is a unit of mass?
Joule
Kilogram
mrad
Pound
Volt

Answer 12

Kilogram

Question 13

What was the device with which Roentgen discovered X-rays?

Answer 13

Crookes tube

Question 14

The phosphor that Roentgen used in early experiments with X-rays was which of the following?

Answer 14

Barium Platinocyanide

Question 15

How are X-ray tube voltages measured?

Answer 15

Kilovolt

Question 16

Which of the following early pioneers developed the fluoroscope?

Answer 16

Thomas Edison

Question 17

Which of the following is the type of X-ray tube that is used today?

Answer 17

Coolidge tube

Question 18

The Bucky grid, which was introduced in 1921, does what?

Answer 18

Improves image contrast

Question 19

What are the two simple, general types of X-ray imaging procedures?

Answer 19

Radiographic and fluoroscopic

Question 20

Which of the following provides dynamic X-ray images?

Answer 20

Fluoroscopy

Question 21

Collimation and filtration do what?

Answer 21

Reduce patient dose

Question 22

One of the cardinal principles of radiation protection states that the radiologic technologist should minimize which of the following?
Distance
kVp
mAs
Shielding
Time

Answer 22

Time

Question 23

Which of the following will reduce personnel exposure the most?
Collimation of the X-ray beam
Filtration of the X-ray beam
Recording of fluoroscopy
A high kVp technique
Use of protective barriers for radiologic technologists

Answer 23

Use of protective barriers for radiologic technologists

Question 24

After termination of an X-ray exposure:

Answer 24

No more X-rays are emitted.

Question 25

During fluoroscopy, what should the radiologic technologist always do?

Answer 25

Wear protective apparel

Question 26

``` Generally, X-ray examinations are reserved for which of the following? Asymptomatic patients Older patients Patients who are not pregnant Symptomatic patients xray personnel ```

Answer 26

Symptomatic patients

Question 27

Which of the following is the principal reason to avoid repeat examination? The cost of the procedure is doubled The images may be confused The patient is inconvenienced The patient receives twice the radiation dose The technologist's workload is doubled

Answer 27

The patient receives twice the radiation dose.

Question 28

The normal SID for an upright chest radiograph is 180cm. This is equivalent to:

Answer 28

1.8m

Question 29

A fluoroscopic examination is conducted at 1.5 A. This is equivalent to:

Answer 29

1500mA

Question 30

A radiographic exposure requires 400 ms. This is also:

Answer 30

.4s

Question 31

``` Which of the following is a unit of energy? Gray Joule Newton Rad Sievert ```

Answer 31

Joule

Question 32

The radiologic unit milliampere-second (mAs) is actually a measure of:

Answer 32

Number of electrons

Question 33

``` A radiation monitoring report would express a radiologic technologist's does equivalent in which of the following? Curie Gray Rad Rem Roentgen ```

Answer 33

Rem