Quiz 4: Diagnostic imaging Flashcards
what does milliamperage control on the x-ray machine affect?
the amount of radiation that is produced and the current to the cathode
what occurs when the object is not parallel to the recording surface of an x-ray?
foreshortening
to obtain a dorsoventral view of the abdomen of a rabbit where should the center of the beam be focused?
center over the liver
dental film should be placed in the mouth with the dimple facing:
up and pointing rostrally
what does the gain control knob adjust on the ultrasound machine?
the brightness of the image
which type of tissue absorb the most radiation?
bone
in a DV view on a small animal x-ray which organ appears in the shape of a question mark?
colon
the median plane divides the body into which of the following?
left/right portions
scatter radiation has a ________ wavelength than the primary beam used in an x-ray
longer
what causes grid lines on the entire film?
focal-film distance not being in the range of the grid’s focus
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?
the tibial tuberosity