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30 Cards in this Set
- Front
- Back
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False
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1 roentgen of exposure will equal about 2 rad in muscle tissue.
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midsagittal plane 2.5-3" above the glabella
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The CR for the AP Towne enters the skull in the
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the passageway for the ear
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The external acoustic meatus (EAM):
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Waters
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"Mentomeatal line is perpendicular to the film and the OML forms a 37 degree angle to the film. Sagittal plane is perpendicular to the film." Which examination is this?
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sella turcica
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This is seen in profile on a lateral view of the skull.
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angled 25 degrees cephalad to center of film 1 1/2" below the external occipital protuberance
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On the PA Axial (Haas Method) view of the skull, the CR is
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mental protuberance
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The protuberance in the center of the lower margin of the madible is the
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coccyx
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Which of these is NOT part of the thoracic cage
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central ray
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A line in the center of the x-ray beam and perpendicular to the long axis of the x-ray tube is called the:
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pneumoconiosis
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Which of the following condition is an inflammatory occupation lung disease caused by inhaling irritating dust?
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10 x 12 inch film, lengthwise
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The AP Axial (Towne) view of the skull uses
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frontal
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The bone that comprises the forehead is called the
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12
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Most adults have ______ pairs of ribs.
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the cassette
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The image receptor system consists of x-ray film and
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True
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Scatter radiation during an exposure creates fog on the radiograph.
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grid cut-off
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Excessive absorption of useful radiation caused by improper grid alignment is
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True
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On a right anterior oblique of the sternum; rapid, shallow breathing should be used.
(HINT: to blur out the ribs) |
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False
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The FSD (focal spot distance) is the same as SID.
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False
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The ethmoid bone creates the posterior floor of the skull.
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Thompson effect
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When an incoming x-ray excites an atom, and the atom produces a new x-ray photon, this is known as
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posterior
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The crista galli is ________ to the nasal bone.
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True
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A rapid screen is used on a PA Mandible.
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Sievert
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The SI unit for equivalent dose measurement is
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aligned on the midpoint of the nasal bones
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On a basic examination of the nasal bones, the central ray is
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sphenoid, frontal, occipital, ethmoid, parietal (L/R), temporal (L/R)
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Which bones comprise the cranium?
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maxillary sinuses
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The antra of Highmore are also called the
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the process of absorbing x-rays
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Attenuation is
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fluoroscopic spots
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What is the typical usage of a 24 x 24 cm IR?
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darkrooms
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Computed radiography (CR) elminates the need for:
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detent
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A mechanism that tends to stop a moving part in a specific location is called a:
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