Question 1

Sharpness of detail can be improved by increasing _____.

Accepted Answer

A)  SID 
B)  OID 
C)  focal spot size 
D)  all of the above 
A)  SID 
B)  OID 
C)  focal spot size 
D)  all of the above

Question 2

Foreshortening is caused by a(n)_____.

Accepted Answer

A)  angled beam when the body part is parallel the image receptor 
B)  angled body part when the beam is perpendicular to the image receptor 
C)  angled beam that is perpendicular to the body part 
D)  perpendicular beam and the body part parallel to the image receptor 
A)  angled beam when the body part is parallel the image receptor 
B)  angled body part when the beam is perpendicular to the image receptor 
C)  angled beam that is perpendicular to the body part 
D)  perpendicular beam and the body part parallel to the image receptor

Question 3

An increase in mAs causes _____ in beam quality and _____ in beam quantity.

Accepted Answer

A)  an increase, a decrease 
B)  an increase, no change 
C)  an increase, an increase 
D)  no change, an increase 
A)  an increase, a decrease 
B)  an increase, no change 
C)  an increase, an increase 
D)  no change, an increase

Question 4

If mAs is increased from 20 mAs to 40 mAs,the patient dose will _____.

Accepted Answer

A)  not be affected 
B)  increase slightly 
C)  be halved 
D)  be doubled 
A)  not be affected 
B)  increase slightly 
C)  be halved 
D)  be doubled

Question 5

Added filtration has the effect of _____ the beam quality and _____ patient dose.

Accepted Answer

A)  reducing, increasing 
B)  reducing, reducing 
C)  increasing, reducing 
D)  increasing, increasing 
A)  reducing, increasing 
B)  reducing, reducing 
C)  increasing, reducing 
D)  increasing, increasing

Exam 13: Screen-Film Radiographic Technique

Sharpness of detail can be improved by increasing _____.

Foreshortening is caused by a(n)_____.

An increase in mAs causes _____ in beam quality and _____ in beam quantity.

If mAs is increased from 20 mAs to 40 mAs,the patient dose will _____.

Added filtration has the effect of _____ the beam quality and _____ patient dose.

Essential Concepts of Radiologic Science

The Structure of Matter

Electromagnetic Energy

Electricity, Magnetism, and Electromagnetism

The X-ray Imaging System

The X-ray Tube

X-ray Production

X-ray Emission

X-ray Interaction with Matter

Concepts of Radiographic Image Quality

Control of Scatter Radiation

Screen-Film Radiography

Computers in Medical Imaging

Computed Radiography

Digital Radiography

Digital Radiographic Technique

Viewing the Digital Radiographic Image

Screen-Film Radiographic Artifacts

Screen-Film Radiographic Quality Control

Digital Radiographic Artifacts

Digital Radiographic Quality Control

Mammography

Mammography Quality Control

Fluoroscopy

Digital Fluoroscopy

Interventional Radiography

Computed Tomography

Human Biology

Fundamental Principles of Radiobiology

Molecular Radiobiology

Cellular Radiobiology

Deterministic Effects of Radiation

Stochastic Effects of Radiation

Health Physics

Designing for Radiation Protection

Patient Radiation Dose Management

Occupational Radiation Dose Management

Filters

An increase in mAs causes _ in beam quality and _ in beam quantity.

Added filtration has the effect of _ the beam quality and _ patient dose.