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Unit 2 309
Terms in this set (65)
Which method is used to obtain a lateral projection of the hip on a trauma patient who has bilateral hip arthroplasty?
The trauma radiographer must ensure other team members are protected from unnecessary radiation. What practices will accomplish this?
Lead aprons for all personnel who remain in the room during exposures
Announcement of impending exposure to allow nonessential personnel to exit the room
Which imaging modality has replaced conventional trauma skull radiography in most level 1 trauma centers?
Which projection must be evaluated before taking any other images on a trauma patient?
Lateral projection of the C-spine, dorsal decubitus position
Which projection is necessary if the top of T1 and the C7-T1 interspace is not clearly demonstrated on the lateral projection, dorsal decubitus position of the cervical spine?
Lateral projection, Swimmer's technique.
What is the central-ray orientation for the modified axiolateral hip (clements-nakayama)?
15 degrees posteriorly
Extreme eversion of the foot is a sign of a traumatic injury to the
What would be considered a trauma radiography guidline?
Do not move the patient unless necessary
Obtain a min of 2 radiographs of each body part
Signs of shock include all of the following except:
If a trauma patient loses consciousness during an imaging procedure, the imaging professional should
notify the ED physician immediately
Which two images demonstrate the anterior cranium on a trauma patient?
AP axial projection (reverse Caldwell)
What is the central ray angle and direction for the AP axial, reverse Caldwell, of the cranium?
15 degrees cephalad
What procedures are appropriate for trauma patients?
Move tube and IR, instead of injured part, when possible
Perform all AP projections, then all lateral projections
Which position is used to demonstrate air-fluid levels in the abdomen on a severely injured patient?
Dorsal decubitus position
Which imaging modality is often used to evaluate trauma to the abdomen?
What signs/symptoms would require the radiographer to notify the emergency department physician immediately?
loss of consciousness
extreme eversion of the foot
bluish nail beds
increased abdominal distention
When performing the AP axial oblique projection for cervical vertebrae on a supine trauma patient, how should the central ray be directed if only one angle is used?
45 degrees lateromedially
Which procedure should a radiographer perform if a trauma patient begins to experience a seizure?
inform the attending physician
What is not an appropriate rule for trauma radiographers?
always make at least 3 images for each area of injury
Which of the following projections should be the first one performed for a multiple-trauma patient?
lateral cervical spine, dorsal decubitus position
How should a radiographer determine if an AP projection of the abdomen, left later decubitus position, is being requested for demonstrating free air or fluid levels?
ask the attending physician
When performing the AP projection for the pelvis in a trauma patient, what procedure should not be performed?
rotate the femur 15 degrees medially
Which of the following general rules should be followed when imaging upper and lower limbs on trauma patients?
always obtain two images, 90 degrees apart
When demonstrating lumbar vertebrae on a trauma patient who is supine on a backboard, what should be the first projection performed?
lateral projection, dorsal decubitus position
What is the general rule concerning immobilization devices when imaging upper and lower limbs on trauma patients?
Do not remove unless directed to by a physician
What types of shock should radiographers be aware of when imaging patients with pelvic fractures?
The generators for mobile units have the same kilowatt rating as stationary x-ray equipment. T or F
According to federal regulations, the source-to-skin distance during mobile radiography may not be less than
During a mobile exposure, the radiographer should be how far from the object being radiographed?
The central ray must be centered within how many inches of the midline of the grid to avoid grid cutoff?
1 1/2 inches
During mobile radiography, the radiographer ideally should be standing at what degree of angle from the primary beam?
For which mobile examinations is the cathode of the x-ray tube places toward the head end of the patient?
AP and lateral femur
How long should the patient lie in the decubitus position before making the exposure during a mobile decubitus chest exam?
Mobile radiographic units can have direct digital capability with wired to the unit or wireless. T or F
What should be available on every mobile radiographic machine?
radiographic technique chart
Which position is recommended for a mobile AP chest exam on a critically ill patient?
During mobile radiography, the least amount of scattered radiation will occur at what angle to the patient or part being radiographed?
The single most effective means of radiation protection during mobile radiography is
What will result if the grid IR is leaning on a mobile lateral decubitus examination of the chest or abdomen?
Most grids used for mobile radiography have ratios of
6:1 or 8:1
Which protective attire is worn by the radiographer if a patient has drainage secretion precautions?
Which attire is worn by the radiographer when entering a strict isolation room for a mobile radiography exam?
Sterile gowns are considered sterile from:
shoulder to level of sterile field
Reaching over a sterile field is allowed by:
only sterile team members
How often should the QR imaging equipment be cleaned?
after each case
When positioning the IR under the QR table, the radiographer should
not lift the drapes above table to avoid the sterile field
What surgical procedure requires the C-arm to be positioned between the patients leg?
What should be done if sterile field is compromised?
tell OR staff immediately
Who would be included as nonsterile team members?
The sterile field is the
area prepared for the patient
Less frequently used x-ray equipment in the OR should be cleaned:
at least once a week
Institution approved attire worn in the OR
should be fresh for each shift
How much is the C-arm angled for the PA projection during a cervical discectomy and fusion?
15 degrees cephalad
What should the radiographer do after removing the cover from the IR?
remove gloves before handling it
What is the typical range of mAs available on mobile x-ray machines?
What are three technical related issues that must be understood to be competent in mobile radiography?
SID, grids, anode heel effect
What is the preferred SID for mobile radiography examinations? Why?
40" SID. To keep exposures low due to limitations on mA
Describe the proper patient position to prevent rotation of the anatomy in an image of a lateral decubitus position.
The coronal plane passing through the shoulders and hips should be vertical
What are two pathologic conditions that could be demonstrated by the right lateral decubitus position?
A pneumothorax in the left lung or fluid in the right lung
The __________ must be seen at the top of the image if the upper abdomen is of primary interest
If SID is increased, what risk is also increased?
Imaging of patient motion
Sterile team members
certified surgical technologist
Nonsterile team members
certified surgical technologist
certified registered nurse anesthetist
Street clothes should never be worn within semi restricted areas of the surgical suite
The sleeves of gowns are considered sterile from the cuff to the shoulder. T or F
False. considered sterile from the cuff to the elbow
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