Search Header Logo

RAD 121 Carroll Chap 24-25-26-27

Authored by Olive Peart

Specialty

University

Used 35+ times

RAD 121 Carroll Chap 24-25-26-27
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Within the automatic exposure control circuit, which of these is placed in the circuit immediately following the capacitor?

thryatron

magnetic relay switch

transformer

ion chamber

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a typical minimum response time for an AEC circuit?

2 second

1 second

0.1 second

0.01 second

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Most AEC “density” controls extend or shorten the exposure time in increments of:

50%

25%

15%

10%

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following does not directly affect the degree of shape distortion in an image:

centering of the object relative to the x-ray beam

SID

angle of the x-ray beam in relation to the object

object thickness and shape

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Shape distortion in a projected image is controlled by:

distances

alignment

focal spot size

x-ray tube movement

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

While positioning for an x-ray exposure, the most common purpose of angling the x-ray beam is to:

sharpen images

desuperimpose images

magnify images

increase distance

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

With all other factors unchanged, if an object is tilted in relation to the receptor plate, the image shape distortion will:

not change at all

may be affected indirectly, but is not directly controlled by it

decrease as a direct result

increase as a direct result

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?