ASRT EXAM 1 QUESTIONS & ANSWERS
Genetic defects and cancer are examples on _____ effects. - Answers - Stochastic
A contrast medium that lets x-ray photons easily pass through it is considered: -
Answers - Radiolucent
The AEC controls which of the following exposure variables? - Answers - Seconds
The specific purpose of a contrast medium is to: - Answers - Help distinguish
differences between anatomic tissues.
The backup timer for the AEC serves to: - Answers - Terminate the exposure in the
event of equipment or operator error.
Radiation dose to personnel is reduced by following the guidelines stating that exposure
cords: - Answers - Must be at least 6 feet long on mobile radiography.
When acquiring a lateral projection of the finger, it is important to keep the finger parallel
to the image receptor because in this position: - Answers - The joint spaces are
perpendicular to the image receptor and open on the resulting image.
Technologists should rotate a patient ___ for an AP axial oblique projections on the C-
spine. - Answers - 45°
According to the American College of Radiology, which of the following are indications
for obtaining a skeletal survey?
1. Suspected nonaccidental trauma
2. Skeletal dysplasia, syndromes, and metabolic disorders
3. Neoplasms - Answers - 1, 2, 3
Which of the following is a guideline used to reduce personnel and patient dose during
fixed fluoroscopy? - Answers - 15-inch minimum SSD
Select the statement below that is TRUE as it relates to a nonstochastic (deterministic)
effect. - Answers - A response is known to occur.
Which type of communication includes eye contact, touch and tone of voice? - Answers
- Nonverbal
Primary radiation barriers must be AT LEAST ______ feet high. - Answers - 7
The junction between the coronal and sagittal sutures of the skull is called the: -
Answers - Bregma
, When discussing the grid, the letter "K" represents the ______. - Answers - Contrast
improvement factor
The _____ grid design is manufactured to match the divergence of the x-ray beam. -
Answers - Focused
According to NCRP Report No. 116, annual occupational exposure to the lens of the
eye should not exceed: - Answers - 150 mSv
Which of the following are carpal bones? - Answers - Capitate, hamate, pisiform,
scaphoid
Select the item below that is NOT required as a part of a standardized technique chart. -
Answers - OID
The ______ receives electrons immediately after they are read out from an imaging
detector. - Answers - Analog-to-digital converter
The ____ sphincter prevents reflux of stomach contents into the esophagus. - Answers
- Cardiac
When acquiring a lateral projection of the great toe, the central ray enters the: -
Answers - Interphalangeal joint
The device that permits the flow of electrons in one direction only is that: - Answers -
Rectifier
Which of the following is a cranial bone? - Answers - Parietal
Which of the following technical factors simultaneously affects overall image quality and
radiation quantity while producing the x-ray beam? - Answers - kVp
Children have epiphyseal plates made of _____ that can be evaluated as part of normal
chronologic age for bone age analysis. - Answers - Hyaline cartilage
For a PA axial oblique projection of the C-spine, the central ray is angled ____° in the
______ direction. - Answers - 15-20; Caudad
Leakage radiation in the radiography/fluoroscopy exposure room is emitted from the: -
Answers - X-ray tube housing
When evaluating an AP projection (open-mouth) radiograph of C1-C2, the occlusal
surface of the ____ should be superimposed with the _____. - Answers - Top incisors;
base of the skull
Genetic defects and cancer are examples on _____ effects. - Answers - Stochastic
A contrast medium that lets x-ray photons easily pass through it is considered: -
Answers - Radiolucent
The AEC controls which of the following exposure variables? - Answers - Seconds
The specific purpose of a contrast medium is to: - Answers - Help distinguish
differences between anatomic tissues.
The backup timer for the AEC serves to: - Answers - Terminate the exposure in the
event of equipment or operator error.
Radiation dose to personnel is reduced by following the guidelines stating that exposure
cords: - Answers - Must be at least 6 feet long on mobile radiography.
When acquiring a lateral projection of the finger, it is important to keep the finger parallel
to the image receptor because in this position: - Answers - The joint spaces are
perpendicular to the image receptor and open on the resulting image.
Technologists should rotate a patient ___ for an AP axial oblique projections on the C-
spine. - Answers - 45°
According to the American College of Radiology, which of the following are indications
for obtaining a skeletal survey?
1. Suspected nonaccidental trauma
2. Skeletal dysplasia, syndromes, and metabolic disorders
3. Neoplasms - Answers - 1, 2, 3
Which of the following is a guideline used to reduce personnel and patient dose during
fixed fluoroscopy? - Answers - 15-inch minimum SSD
Select the statement below that is TRUE as it relates to a nonstochastic (deterministic)
effect. - Answers - A response is known to occur.
Which type of communication includes eye contact, touch and tone of voice? - Answers
- Nonverbal
Primary radiation barriers must be AT LEAST ______ feet high. - Answers - 7
The junction between the coronal and sagittal sutures of the skull is called the: -
Answers - Bregma
, When discussing the grid, the letter "K" represents the ______. - Answers - Contrast
improvement factor
The _____ grid design is manufactured to match the divergence of the x-ray beam. -
Answers - Focused
According to NCRP Report No. 116, annual occupational exposure to the lens of the
eye should not exceed: - Answers - 150 mSv
Which of the following are carpal bones? - Answers - Capitate, hamate, pisiform,
scaphoid
Select the item below that is NOT required as a part of a standardized technique chart. -
Answers - OID
The ______ receives electrons immediately after they are read out from an imaging
detector. - Answers - Analog-to-digital converter
The ____ sphincter prevents reflux of stomach contents into the esophagus. - Answers
- Cardiac
When acquiring a lateral projection of the great toe, the central ray enters the: -
Answers - Interphalangeal joint
The device that permits the flow of electrons in one direction only is that: - Answers -
Rectifier
Which of the following is a cranial bone? - Answers - Parietal
Which of the following technical factors simultaneously affects overall image quality and
radiation quantity while producing the x-ray beam? - Answers - kVp
Children have epiphyseal plates made of _____ that can be evaluated as part of normal
chronologic age for bone age analysis. - Answers - Hyaline cartilage
For a PA axial oblique projection of the C-spine, the central ray is angled ____° in the
______ direction. - Answers - 15-20; Caudad
Leakage radiation in the radiography/fluoroscopy exposure room is emitted from the: -
Answers - X-ray tube housing
When evaluating an AP projection (open-mouth) radiograph of C1-C2, the occlusal
surface of the ____ should be superimposed with the _____. - Answers - Top incisors;
base of the skull
