Quiz 4: Diagnostic imaging Flashcards

1
Q

what does milliamperage control on the x-ray machine affect?

A

the amount of radiation that is produced and the current to the cathode

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2
Q

what occurs when the object is not parallel to the recording surface of an x-ray?

A

foreshortening

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3
Q

to obtain a dorsoventral view of the abdomen of a rabbit where should the center of the beam be focused?

A

center over the liver

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4
Q

dental film should be placed in the mouth with the dimple facing:

A

up and pointing rostrally

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5
Q

what does the gain control knob adjust on the ultrasound machine?

A

the brightness of the image

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6
Q

which type of tissue absorb the most radiation?

A

bone

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7
Q

in a DV view on a small animal x-ray which organ appears in the shape of a question mark?

A

colon

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8
Q

the median plane divides the body into which of the following?

A

left/right portions

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9
Q

scatter radiation has a ________ wavelength than the primary beam used in an x-ray

A

longer

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10
Q

what causes grid lines on the entire film?

A

focal-film distance not being in the range of the grid’s focus

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11
Q

when obtaining a caudocranial x-ray of the stifle joint what should be palpated to determine the amount of rotation necessary for an exact caudocranial projection?

A

the tibial tuberosity

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