ASRT Exam 2
All of the following affect patient dose, EXCEPT for:
a. inherent filtration.
b. added filtration.
c. source-to-image distance (SID).
d. focal spot size. – answer d
Which of the following radiographic evaluation criterion demonstrates NO tilt on a PA
projection of the
chest?
a. sternal ends of the clavicles equidistant from the vertebral column
b. T4 superimposed on the manubrium
c. scapulae projected outside of the lung field
d. 10 posterior ribs visible above diaphragm - answerb
An increase in the difference between the atomic numbers or densities of adjacent
tissues results in
increased:
a. subject contrast.
b. distortion.
c. spatial resolution.
d. receptor exposure. - answera
Which imaging informatics system is a communication network of computers for image
acquisition,
display, and storage?
a. picture archiving and communications system (PACS)
b. radiology information system (RIS)
c. health information system (HIS)
d. electronic health record (EHR) - answera
Which one of the following is NOT a feature of fluoroscopy equipment designed
specifically to reduce the
amount of scatter radiation striking personnel?
a. a protective curtain
b. a Bucky slot cover
c collimation
d. a cumulative timer - answerd
The joint located between the distal and middle phalanx of toes 2-5 is the ________
joint.
a. proximal interphalangeal
, b. distal interphalangeal
c. metatarsophalangeal
d. middle interphalangeal - answerb
An air-gap technique can be used in place of a grid in some instances because of:
a. the inverse square law.
b. anode heel effect.
c. a heterogeneous beam.
d. beam divergence. - answerd
All of the following affect tube output EXCEPT FOR:
a. focal spot size.
b. target material.
c. filtration
d.KVP - answera
The central ray enters the ________ when performing an AP axial projection of the
toes.
a. third metacarpophalangeal joint
b. distal interphalangeal joint of the third phalanx
c. third metatarsophalangeal joint
d. head of the first metatarsal - answerc
The anode heel effect is most prevalent with a ________ SID and ________ receptor
size.
a. long; small
b. long; large
c. short; small
d. short; large - answerd
A ________ is used to assess display monitors.
a. pinhole camera
b. line-pair test tool
c. Society of Motion Picture and Television Engineers (SMPTE) test pattern
d. dose area product (DAP) meter - answerc
When H2O gains an electron it becomes:
a. HOH+.
b. HOH=.
c. HOH-.
d. H*OH*. - answerc
The temporal mandibular joint (TMJ) is a ________ joint.
a. fibrous suture
b. fibrous hinge and gliding
c. synovial suture
All of the following affect patient dose, EXCEPT for:
a. inherent filtration.
b. added filtration.
c. source-to-image distance (SID).
d. focal spot size. – answer d
Which of the following radiographic evaluation criterion demonstrates NO tilt on a PA
projection of the
chest?
a. sternal ends of the clavicles equidistant from the vertebral column
b. T4 superimposed on the manubrium
c. scapulae projected outside of the lung field
d. 10 posterior ribs visible above diaphragm - answerb
An increase in the difference between the atomic numbers or densities of adjacent
tissues results in
increased:
a. subject contrast.
b. distortion.
c. spatial resolution.
d. receptor exposure. - answera
Which imaging informatics system is a communication network of computers for image
acquisition,
display, and storage?
a. picture archiving and communications system (PACS)
b. radiology information system (RIS)
c. health information system (HIS)
d. electronic health record (EHR) - answera
Which one of the following is NOT a feature of fluoroscopy equipment designed
specifically to reduce the
amount of scatter radiation striking personnel?
a. a protective curtain
b. a Bucky slot cover
c collimation
d. a cumulative timer - answerd
The joint located between the distal and middle phalanx of toes 2-5 is the ________
joint.
a. proximal interphalangeal
, b. distal interphalangeal
c. metatarsophalangeal
d. middle interphalangeal - answerb
An air-gap technique can be used in place of a grid in some instances because of:
a. the inverse square law.
b. anode heel effect.
c. a heterogeneous beam.
d. beam divergence. - answerd
All of the following affect tube output EXCEPT FOR:
a. focal spot size.
b. target material.
c. filtration
d.KVP - answera
The central ray enters the ________ when performing an AP axial projection of the
toes.
a. third metacarpophalangeal joint
b. distal interphalangeal joint of the third phalanx
c. third metatarsophalangeal joint
d. head of the first metatarsal - answerc
The anode heel effect is most prevalent with a ________ SID and ________ receptor
size.
a. long; small
b. long; large
c. short; small
d. short; large - answerd
A ________ is used to assess display monitors.
a. pinhole camera
b. line-pair test tool
c. Society of Motion Picture and Television Engineers (SMPTE) test pattern
d. dose area product (DAP) meter - answerc
When H2O gains an electron it becomes:
a. HOH+.
b. HOH=.
c. HOH-.
d. H*OH*. - answerc
The temporal mandibular joint (TMJ) is a ________ joint.
a. fibrous suture
b. fibrous hinge and gliding
c. synovial suture