ch1 170 WB Qs
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which factor controls radiographic contrast?
which radiographic term refers to degree of blackness between two adjacent areas on a radiograph?
which of the following factors controls shape distortion?
How should a left lateral projection radiograph of the chest be displayed?
so that the side of the patient closer to the IR during the procedure is the side of the image closer to the viewbox
how should the PA profection radiograph of the chest be displayed?
As though the patient was standing infront of the viewer, with the patients right side nearer the viewers left side and the patients left side neaer the viewers right side
a PA projection radiograph of the hand should be displayed:
from the perspective if the X ray tube and with the fingers point upward
who is responsible for obtaining a necessary clinical history when the radiologist is unable to see the patient?
To properly dispose of a hypodermic nedle, it should be
placed in a puncture proof container
what is the medical property classification of isopropyl alcohol?
who should remove sterile items that are in the way of the radiographer?
To prepare the patient for radiographic exam of the abdomen, what are the three methods used for cleansing the patients bowel?
which type of muscle tissue prodcues peristalsis?
which type of muscle tissue comprises skeletal muscle?
which pathologic condition requires a decrease in the exposure factors from the routine procedure?
which change in exposure factors should be used to control voluntary motion that is result of the partients age or mental illness?
decrease the exposure time
which procedure best reduces the possibility of patient controlled motion?
give undestandable instruction to patient
which side marker placement rules applies when performing an AP oblique radiograph of the cervical spine?
always mark the side closest to the IR
which piece of information is not required as part of the identification of radiograph?
name of radiographer
what is the primary purpose of collimating in the area of interest?
reduces patient exposure
how is radiographic image quality affected when the radiation beam is restricted to the area under the examination only?
increased radiographic contrast
which of the following is a consideration for determining when to use gonadal shielding?
- the patient has reasonable productive potential
- the gonads lie withing or close to the primary x ray field
which change will most improve recorded detail when the sternum is imaged?
collimating from a 14x17inch field size to the area of intrest only
for which examination is the use of gonadal shielding most important for the patient of child bearing age?
lumbar sacral region
which computed radiography accessory houses the image storage phosphors that acquire the latent image?
what is the image receptor in direct digital radiography?
solid state detector or charge coupled device
in direct digital imaging, how is collimation controlled?
manually by radiographer
reasons to avoid using electronic side marker placement in digital imaging include
- increased potential for errors in marking the correct side
- increased legal implications
the knowledge,skills,ability,and behaviors that are essential for providing optimal care for defined groups is termed
all of the following are disadvantages of using a larger IR or field size on obese patients,except for
the approximate distance from the jugular notch to the pubic symphysis on a patient who is more than 6 ft tall is
24 inches (61cm)
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