Chapter 1 - Intro To Imaging Sciences

Question 1

Acute radiodermatitis

Answer 1

Radiation burns

Question 2

Cathode ray tube

Answer 2

Crookes tube, partially evacuated

Question 3

Derived quantities

Answer 3

Velocity, acceleration, force, momentum, work and power

Question 4

Fluoroscope

Answer 4

X-rays using a fluorescent screen

Question 5

Ionizing radiation

Answer 5

Removal of an electron to make an atom unstable

Question 6

Date of the discovery by Roentgen?

Answer 6

Friday, November 8th, 1895

Question 7

What is roentgens wife’s name

Answer 7

Anna Bertha

Question 8

How long were the initial exposure times?

Answer 8

20 minutes to two hours

Question 9

Who was the first fatality and when?

Answer 9

Clarence Dally, 1904

Question 10

What is mass?

Answer 10

The quantity of matter contained within an object

Question 11

What is matter?

Answer 11

Anything that occupies space, has shape or form and has mass

Question 12

What does the roentgen or coulomb/kilogram measure?

Answer 12

The radiation that initially leaves the tube.

Question 13

What does the rad or Gray measure?

Answer 13

The amount of radiation that the patient receives.

Question 14

What does the rem or Seivert measure?

Answer 14

The occupational dose we receive.

Question 15

What does the curie or Becquerels measure?

Answer 15

Radioactivity

Question 16

Anode

Answer 16

Positive

Question 17

Cathode

Answer 17

Negative

Question 18

ALARA

Answer 18

As Low As Reasonably Achievable

Question 19

Explain the 30/90 tilt

Answer 19

The table is able to have the patient in a full upright position or 30 degrees in Trendelenburg position

Question 20

How much lead must be in the walls, floors and doors of the primary exposure?

Answer 20

1/16th inches

Question 21

How much lead must be in the walls, floors and doors of secondary areas (waiting room)

Answer 21

1/32 of an inch