ANSWERS GRADED A+ 100% VERIFIED.
For the cervicothoracic region lateral projection (swimmer's
technique), the recommended position of the humeral head
closest to the IR is move ANS >>> anteriorly
What two bones are united to form the sternoclavicular joint?
ANS >>>.
Clavicle and sternum
A radiographic contrast medium that absorbs more radiation
than the organ in which it is placed is termed a(n) ANS >>> Positive
agent
,Which radiographic projection of the shoulder joint will
demonstrate the glenoid cavity in profile? ANS >>> AP oblique
(Gracey method)
What is the primary factor affecting the brightness of the
fluoroscopic image? ANS >>> Density of the anatomic part
Which part(s) of the humerus should be palpated and correctly
placed to ensure that the humerus is correctly positioned for AP
projections? ANS >>> Epicondyles
Underexposed radiographs produced while using an AEC device
might result from: ANS >>> Having an insufficient backup time set
for a very large patient
A common group of drugs that are used to promote defecation
are termed: ANS >>> Cathartics
How much is the patient rotated from the horizontal position to
visualize the zygapophyseal joints of the thoracic vertebrae? ANS
>>> 70 degrees
,Which of the following radiographic procedures requires an
image demonstrating a long scale of contrast? ANS >>> Chest
Select the correct sequence of energy conversions when an
indirect flat panel detector is used: ANS >>> X-ray to light to
electrons
The ovaries are least sensitive to radiation at which age? ANS >>>
20-30 years of age
What is the active component of the TLD? ANS >>> lithium
fluoride
A right lateral decubitus radiograph is taken of a patient with
the grid placed behind the patient. This is an example of a(n):
ANS >>> AP Projection
During cystography, when ureteral reflux is suspected, it is often
necessary to include a __________ radiograph. ANS >>> Voiding
What is the milliampere setting if the desired milliamperage-
seconds are 40 and if the time is setting is 50 milliseconds? ANS
>>> 800 mA
, Which of the following is (are) possible long-term somatic
effects of radiation exposure?
1. Nausea & vomiting
2.Carcinogenesis
3. Leukemia ANS >>> 2 & 3 only
Direct action may occur after exposure to any type of radiation,
but it is much more likely to happen after exposure to: ANS >>>
high-LET radiation such as alpha particles
Which device in the typical x-ray circuit is adjusted to select the
kilovoltage? ANS >>> Autotransformer
If all of the other factors remain the same, what effect does
excessive filtration have on a radiographic image? ANS >>>
Reduced contrast
What does the term "fill factor" refer to? ANS >>> The percentage
of the pixel face that contains the x-ray detector