Question 1

The high voltage generator contains the high voltage transformer,the _____,and the _____.

Accepted Answer

A)  autotransformer, timer 
B)  timer, rectifiers 
C)  kVp meter, filament transformer 
D)  filament transformer, rectifiers 
A)  autotransformer, timer 
B)  timer, rectifiers 
C)  kVp meter, filament transformer 
D)  filament transformer, rectifiers

Question 2

The step-up transformer increases voltage _____ times.

Accepted Answer

A)  500-1000 
B)  200-300 
C)  60-120 
D)  20-50 
A)  500-1000 
B)  200-300 
C)  60-120 
D)  20-50

Question 3

The automatic exposure control (AEC)terminates the exposure when _____.

Accepted Answer

A)  the set time is reached 
B)  set radiation leaves the x-ray tube 
C)  sufficient radiation reaches the image receptor 
D)  the correct mAs is reached 
A)  the set time is reached 
B)  set radiation leaves the x-ray tube 
C)  sufficient radiation reaches the image receptor 
D)  the correct mAs is reached

Question 4

Most mammography units operate with _____ generators.

Accepted Answer

A)  capacitor discharge 
B)  high frequency 
C)  single-phase 
D)  three-phase 
A)  capacitor discharge 
B)  high frequency 
C)  single-phase 
D)  three-phase

Question 5

With half-wave rectification,the current flows through the x-ray tube during the _____ part of the cycle.

Accepted Answer

A)  zero 
B)  positive or negative 
C)  positive 
D)  negative 
A)  zero 
B)  positive or negative 
C)  positive 
D)  negative

Exam 5: The X-ray Imaging System

The high voltage generator contains the high voltage transformer,the _____,and the _____.

The step-up transformer increases voltage _____ times.

The automatic exposure control (AEC)terminates the exposure when _____.

Most mammography units operate with _____ generators.

With half-wave rectification,the current flows through the x-ray tube during the _____ part of the cycle.

Essential Concepts of Radiologic Science

The Structure of Matter

Electromagnetic Energy

Electricity, Magnetism, and Electromagnetism

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

Screen-Film Radiographic Technique

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

The high voltage generator contains the high voltage transformer,the _,and the _.