ROBERTS FINAL MONDAY1
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Topographic landmarks used to position for chest radiography include the:
1) Iliac crest
2 & 3
Which consideration must be met for any decubitus chest projections?
The CR must be horizontal and parallel to the floor.
What is the optimal amount of time a patient should lie on their side prior to a left lateral decubitus projection for the abdomen?
10 to 20 minutes
An abnormal accumulation of fluid in the pleural cavity is termed:
Which projection is performed to demonstrate free air or gas in the abdominal cavity when the patient is unable to stand?
Left lateral decubitus
Supine abdomen projections should be exposed on:
Where is the CR directed for a supine AP projection of the abdomen?
Voluntary motion can
1. result from patient breathing.
2. be controlled by using a short exposure time
3. result from peristaltic activity.4. be identified as sharp bony cortices and blurry gastric and intestinal gases.
1 and 2 only
On inhalation the lungs expand:
1 2 3
For a PA chest projection with accurate positioning, the
1. SID is set at 72 inches (183 cm).
2. shoulders are positioned at equal distances from the IR.
3. upper midcoronal plane is tilted slightly toward the IR.4. elbows and shoulders are rotated posteriorly
1 and 2 only
For an upright AP abdomen projection, the
1. CR is 2 inches above iliac crest
2. patient remains in an upright position at least 5 to preferably 20 minutes before the image is obtained.
3. symphysis pubis should be included.
4. patient is instructed to take a deep inspiration before the image is obtained.
1 and 2 only
What is the reason this lateral chest radiograph is unacceptable?
The patient's right side was rotated posteriorly.
Accumulation of air in the pleura cavity is known as:
Characteristics of a properly positioned PA projection of the chest include:Chin above the chestClavicles above the apicesSternal ends of the clavicles equidistant from midline
1 and 3 only
This PA Chest is a repeatable error because the patient was
Leaning away from the IR
In what position is this patient?
The CR and IR are lowered at least 1 inch from the PA for the lateral to prevent cutoff of costophrenic angles because of
divergence of the beam
This PA chest projection radiograph reveals that the sternoclavicular joints (clavicle heads) are not equal distance from the spine. What specific positioning correction is required?
Have patient rotate left shoulder closer to the IR
The structures within the lung where oxygen and carbon dioxide gas exchange occurs are called:
What is indicated by the arrows?
What is the minimum amount of time a patient must remain in the decubitus position for a chest x-ray prior to exposure?AnswerSelected Answer:
Why is it important to perform the PA projection rather than the AP for a routine chest study?
PA position will reduce heart magnification.
What is the primary imaging correction needed?
Left side of patient needs to be moved (rotated) anteriorly.
Which one of the following positioning considerations is most important in demonstrating air/fluid levels in the thorax during chest radiography?
Patient in upright position
Which one of the following positioning considerations is most important in removing the scapula from the field of view?
Shoulders rolled forward
Why is it important to perform an erect left lateral rather than the erect right lateral position as part of the routine chest study?
Reduces magnification of the heart
What is the recommended kV range for an abdomen projection?
70 to 80 kV
what is a
what is B
what is C
what is d
Base of Lung
what is E
what is F
What is G
What are two prerequisites are required by the technologists for pediatric imaging?
1. Preparation of the room
2. Attitude and Approach
3. Being a pet owner
4. Being a parent
what is 1
what ie 2
Inferior Costal margin
what is 3
what is 4
Anterior Superior Iliac Spine (ASIS)
what is 5
what is 6
what is 7
What would you like to do?
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