Exam (elaborations)
BONTRAGER; POSITIONING CHAPTER 2 QUESTIONS AND ANSWERS
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BONTRAGER; POSITIONING CHAPTER 2 QUESTIONS AND ANSWERS...
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Which type of body habitus is associated with a broad and deep thorax?Hypersthenic
Which of the following types of body habitus may cause the costophrenic
angles to be cut off if careful vertical collimation is not used?
A. Hypersthenic
B. Hyposthenic
C. Sthenic
D. Hyposthenic and asthenic
D. Hyposthenic and asthenic
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What is the minimum number of ribs that should be demonstrated above the
diaphragm on a PA radiograph of an average adult chest with full inspiration?
10 ribs
-
Which of the following objects should be removed (or moved) before chest
radiography? (Choose all that apply.)
A. Necklace
B. Bra
C. Religious medallion around neck
D. Dentures
E. Pants
F. Hair fasteners
G. Oxygen lines
,A. Necklace
B. Bra
C. Religious medallion around neck
F. Hair fasteners
G. Oxygen lines
-
True/False: Long hair may produce an artifact when imaging with digital
radiographic systems.
True
True/False: Chest radiography is the most commonly repeated radiographic
procedure because of poor positioning or exposure factor selection errors.
True
Chest radiography for the adult patient usually uses a kilovoltage range of
______ to ______ kV.
110 to 125 kV
True/False: Generally, you do not need to use radiographic grids for adult
patients for PA or lateral chest radiographs.
False
Optimal technical factor selection ensures proper penetration of the:
A. Heart
B. Great vessels
C. Lung regions
D. Hilar region
E. All of the above
E. All of the above
Describe the way optimum density (brightness) of the lungs and mediastinal
structures can be determined on a PA chest radiograph
Should be able to see faint outlines of at least middle and upper vertebrae and
ribs through heart and other mediastinal structures.
True/False: Because the heart is always located in the left thorax, the use of
anatomic side markers on a PA chest projection may not be necessary.
False (heart may be located in right thorax)
, What is another term for the condition termed visceral inversion?
Situs inversus
Which of the following devices should be used for the erect PA and lateral chest
projections for an infant?
A. Upright chest device
B. Supine table Bucky
C. Pigg-O-Stat
D. Plexiglas restraint board
C. Pigg-O-Stat
Which of the following set of exposure factors is recommended for a chest
examination of a young pediatric patient?
A. 70 to 85 kV, short exposure time
B. 90 to 100 kV, medium exposure time
C. 100 to 120 kV, short exposure time
D. 120 to 150 kV, long exposure time
A. 70 to 85 kV, short exposure time
True/False: Because they have shallower (superior-inferior dimension) lung
fields, the CR is often centered higher for geriatric patients.
True
True/False: CR centering for the PA chest projection on an obese patient is 1 to
2" lower than for a sthenic patient.
False (centering for obese patient is at the same location - T7)
To ensure better lung inspiration during chest radiography, exposure should be
made during the _________ inspiration.
second
List four possible pathologic conditions that suggest the need for both
inspiration and expiration PA chest radiographs
A. Small pneumothorax
B. Fixation or lack of normal diaphragm movement
C. Presence of a foreign body
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