Deck 3: Radiation Characteristics

Question 1

What refers to the average energy or penetrating ability of the x-ray beam and is controlled by the kilovoltage peak (kVp)?

A) Quantity
B) Milliamperage
C) Intensity
D) Quality

Answer 1

Quality

Question 2

What affects film density and contrast?

A) Milliamperage
B) Kilovoltage peak
C) Half-value layer
D) Inverse square law

Answer 2

Kilovoltage peak

Question 3

What refers to number of x-rays produced and is controlled by the milliamperage?

A) Quantity
B) Intensity
C) Quality
D) Kilovoltage

Answer 3

Quantity

Question 4

What is the total energy contained in the x-ray beam in a specific area at a given time?

A) Quantity
B) Intensity
C) Quality
D) Milliamperage

Question 5

What is used to explain how distance affects the intensity of the x-ray beam?

A) Half-value layer
B) Voltage
C) Milliamperage
D) Inverse square law

Question 6

What is placed in the path of the x-ray beam to reduce the intensity and remove the low-energy x-rays from the beam?

A) Lead collimator
B) Kilovoltage
C) Aluminum filter
D) Glass window

Question 7

The distance from the source of the radiation to the patient's skin is the target-_____ distance.

A) film
B) object
C) surface
D) electron

Question 8

What controls the penetrating power of the x-ray beam by controlling the number of electrons produced in the x-ray tube and the number of x-rays produced?

A) Kilovoltage
B) Milliamperage
C) Intensity
D) Quality

Question 9

When milliamperage is increased, the exposure time must be:

A) increased.
B) kept constant.
C) turned off.
D) decreased.

Question 10

What refers to how sharply dark and light areas are differentiated or separated on a film?

A) Contrast
B) Density
C) Intensity
D) Quantity