Radiology module 3

Question 0

Increasing kvp increases —– and decreases ——

Answer 0

Density

Contrast

Question 1

When kvp is increased the —– of the electrons is increased.
This results in —– x-rays with —- wavelengths

Answer 1

Speed
More penetrating
Shorter

Question 2

High contrast means?
Low contrast means?
Which one is better?

Answer 2

Black and white
Many gases of gray
Lower contrast

Question 3

What range of kvp produces most penetrating x-rays?

Answer 3

85-100kvp

Question 4

Kvp deals with the — of the x-rays

Answer 4

Quality

Question 5

MA deals with the —- of the x-rays

Answer 5

Quantity

Question 6

Increasing MA increases —-

And the exposure times needs to be —-

Answer 6

Density

Lowered

Question 7

High density means the image is overall —–

Answer 7

Darker

Question 8

Adults need more/ longer —-

Also needed for the Long cone PID

Answer 8

Pulses/ Exposure time

Question 9

Kvp, MA, and exposure time combine to affect the —- of the beam

Answer 9

Energy or penetrating power

Question 10

As x-rays travel from tungsten target the intensity of beam —-

Answer 10

Lessens

Question 11

If all factors (kvp,MA, exposure) are equal an 8in cone is — intense than a 16in cone!

Answer 11

More

Question 12

The intensity of radiation is —- proportional to the square of the distance from the source of the radiation

Answer 12

Inversely

Question 13

Going from small cone to large cone the beam is now —- the intensity

Answer 13

1/4

Question 14

Going from large cone to small cone the beam is — the intensity

Answer 14

4x

Question 15

The —- reduces the intensity of the beam by 1/2 and is termed the half value layer

Answer 15

Thickness of tube filter

Question 16

If an x-ray beam has a HVL of 4mm you need a —– filter to decrease the intensity by 1/2

Answer 16

4mm