Question 1

Using a table Bucky device will increase magnification of the anatomy as compared with performing the same study on the tabletop.

Accepted Answer

A) True 
 B)False

Question 2

A random disturbance that obscures or reduces clarity is termed:

Accepted Answer

A)  signal.
B)  noise.
C)  electrical fluctuation.
D)  variance.E) B) and C)
F) A) and D)

Question 3

Which of the following joints displays flexion and extension type of movement primarily?

Accepted Answer

A)  Pivot
B)  Ellipsoidal
C)  Saddle
D)  GinglymusE) C) and D)
F) A) and B)

Question 4

What is the minimal number of projections taken for a study of the right hip?

Accepted Answer

A)  One
B)  Two
C)  Three
D)  FourE) A) and C)
F) C) and D)

Question 5

What is the general term for a position in which the long axis of the body is angled in relationship to the image receptor rather than the central ray (e.g., special chest projection) ?

Accepted Answer

A)  Axial
B)  Trendelenburg
C)  Decubitus
D)  LordoticE) All of the above
F) None of the above

Question 6

The greater the bit depth of a digital system, the greater the:

Accepted Answer

A)  brightness.
B)  resolution.
C)  exposure index.
D)  contrast resolution.E) A) and B)
F) A) and C)

Question 7

Which of the following factors has the greatest effect on the brightness of the digital image?

Accepted Answer

A)  kV
B)  mAs
C)  Processing software
D)  Matrix sizeE) B) and D)
F) None of the above

Question 8

Which of the following factors has the greatest effect on spatial resolution of the digital image?

Accepted Answer

A)  Acquisition pixel size
B)  Display pixel size
C)  Use of a grid
D)  SIDE) A) and D)
F) None of the above

Question 9

Which aspect of the long bones is responsible for the production of red blood cells?

Accepted Answer

A)  Compact bone
B)  Periosteum
C)  Medullary cavity
D)  Spongy or cancellous boneE) B) and C)
F) A) and D)

Question 10

Which of the following energy sources will erase any residual latent image from an exposed PSP imaging plate?

Accepted Answer

A)  Low-dose radiation
B)  Bright light
C)  Heat
D)  Ultraviolet lightE) B) and D)
F) All of the above

Question 11

Which of the following factors primarily controls radiographic density in the analog image?

Accepted Answer

A)  kV
B)  mAs
C)  Film-screen speed
D)  Optimal immunomodulating dose (OI
D)  E) B) and D)
F) None of the above

Question 12

Which of the following changes will improve spatial resolution?

Accepted Answer

A)  Decrease SID.
B)  Decrease OID.
C)  Decrease kV.
D)  None of the above will improve spatial resolution.E) B) and C)
F) None of the above

Question 13

The patient's head and neck are hyperextended with the top of the skull directly against the image receptor.The central ray enters just below the chin.Which specific projection has been performed?

Accepted Answer

A)  Submentovertical
B)  Acanthioparietal
C)  Parietoacanthial
D)  VerticosubmentalE) None of the above
F) A) and B)

Question 14

Système International (SI) has been the national standard for units of radiation measurement since 1958.

Accepted Answer

A) True 
 B)False

Question 15

The ImageWisely program is focused on reducing unnecessary exposure in children during imaging procedures.

Accepted Answer

A) True 
 B)False

Question 16

Examples of "flat" bones are the:

Accepted Answer

A)  calvaria, ribs, scapulae, and sternum.
B)  ribs, sternum, patella, and ilia of pelvis.
C)  sternum, scapulae, ilia of pelvis, and base of cranium.
D)  sternum and ilia of pelvis only.E) B) and C)
F) A) and B)

Question 17

Which of the following body systems helps to regulate body temperature?

Accepted Answer

A)  Circulatory
B)  Urinary
C)  Endocrine
D)  NervousE) A) and B)
F) A) and C)

Question 18

The patient is lying on her right side on a cart.The anterior surface of the patient is against the image receptor.A horizontal central ray enters the posterior surface and exits the anterior surface of the body.What specific projection/position has been performed?

Accepted Answer

A)  AP
B)  PA
C)  Right lateral decubitus
D)  Left lateral decubitusE) A) and D)
F) None of the above

Question 19

What is the minimal number of projections taken for a study of the elbow?

Accepted Answer

A)  One
B)  Two
C)  Three
D)  FourE) B) and C)
F) A) and D)

Question 20

When correctly placed, gonadal shielding will reduce dose by ____ if gonads are in the primary x-ray field.

Accepted Answer

A)  20% to 50%
B)  50% to 90%
C)  100%
D)  None of the aboveE) None of the above
F) A) and B)

Exam 1: Terminology, Positioning, and Imaging Principles

Which aspect of the long bones is responsible for the production of red blood cells?

Correct AnswerverifiedShow Answer

The ImageWisely program is focused on reducing unnecessary exposure in children during imaging procedures.

Correct AnswerverifiedShow Answer

What is the minimal number of projections taken for a study of the right hip?

Correct AnswerverifiedShow Answer

Système International (SI) has been the national standard for units of radiation measurement since 1958.

Correct AnswerverifiedShow Answer

Which of the following factors has the greatest effect on the brightness of the digital image?

Correct AnswerverifiedShow Answer

Using a table Bucky device will increase magnification of the anatomy as compared with performing the same study on the tabletop.

Correct AnswerverifiedShow Answer

What is the general term for a position in which the long axis of the body is angled in relationship to the image receptor rather than the central ray (e.g., special chest projection) ?

Correct AnswerverifiedShow Answer

Which of the following factors primarily controls radiographic density in the analog image?

Correct AnswerverifiedShow Answer

Which of the following body systems helps to regulate body temperature?

Correct AnswerverifiedShow Answer

Which of the following changes will improve spatial resolution?

Correct AnswerverifiedShow Answer

What is the minimal number of projections taken for a study of the elbow?

Correct AnswerverifiedShow Answer

The patient's head and neck are hyperextended with the top of the skull directly against the image receptor.The central ray enters just below the chin.Which specific projection has been performed?

Correct AnswerverifiedShow Answer

The greater the bit depth of a digital system, the greater the:

Correct AnswerverifiedShow Answer

A random disturbance that obscures or reduces clarity is termed:

Correct AnswerverifiedShow Answer

The patient is lying on her right side on a cart.The anterior surface of the patient is against the image receptor.A horizontal central ray enters the posterior surface and exits the anterior surface of the body.What specific projection/position has been performed?

Correct AnswerverifiedShow Answer

Which of the following joints displays flexion and extension type of movement primarily?

Correct AnswerverifiedShow Answer

When correctly placed, gonadal shielding will reduce dose by ____ if gonads are in the primary x-ray field.

Correct AnswerverifiedShow Answer

Which of the following factors has the greatest effect on spatial resolution of the digital image?

Correct AnswerverifiedShow Answer

Which of the following energy sources will erase any residual latent image from an exposed PSP imaging plate?

Correct AnswerverifiedShow Answer

Examples of "flat" bones are the:

Correct AnswerverifiedShow Answer

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