RAD 112 PROCEDURES: MOBILE/TRAUMA
RADIOGRAPHY
What technical factors can be adjusted with a mobile machine? - Answers :kVp and
mAs
What are two classification of mobile x-ray machines? - Answers :Battery and standard
powered
Where should a radiographer stand when performing a mobile exam? - Answers :6 feet
away
What is the most effective means of radiation protection? - Answers :Distance
When should a grid be used on mobile examinations? - Answers :Over 10cm and a kVp
over 90
Define trauma. - Answers :Serious injury or shock to the body
What should be the first projection performed for a trauma patient with a cervical injury?
- Answers :(XTL C-Spine) Cross Table Lateral Cervical Spine
What action should a radiographer initiate if a head trauma patient has unequal pupils
or experiences a decrease in the level of consciousness? - Answers :Get a doctor or
nurse
When demonstrating lumbar vertebrae on a trauma patient who is supine on a
backboard, what should be the first projection performed? - Answers :Cross Table
Lateral Lumbar Spine (XTL L-Spine)
What is the general rule concerning immobilization devices when radiographing upper
and lower limbs on trauma patients? - Answers :Work around the device; DO NOT
REMOVE the immobilization device
What is the general rule concerning demonstration of adjacent joints when
radiographing long bones on trauma patients? - Answers :Include both joints
Closed reduction - Answers :The break can be fixed with a cast or etc. (doesn't require
surgery)
Open reduction - Answers :It requires surgery to fix
Which of the following imaging modalities is often used to diagnose pulmonary emboli?
- Answers :Nuclear medicine
, Which imaging modality is often used to diagnose an an ectopic pregnancy? - Answers
:Ultrasound
Which term describe a misalignment of a distal fracture fragment that is angled toward
the midline? - Answers :Varus deformity
Which of the following fractures is described as an incomplete fracture with the cortex
broken on one side of the bone? - Answers :Greenstick
Which of the following is not a fracture but a subluxation - Answers :Nursemaids elbow
Which one of the three cardinal rules of radiation protection is the most effective means
of reducing exposure during mobile and surgical procedures? - Answers :Distance
Which of the following positions or projections best demonstrates free intra-abdominal
air on the patient who cannot stand or sit erect? - Answers :Left Lateral decubitus
What type of "holding breath" instructions should be given for an AP projection (patient
supine) of the ribs located above the diaphragm? - Answers :Expose on inspiration
Where should the operator or surgeon stand when using a C-arm fluoroscopy unit in a
horizontal central ray CR position? - Answers :Intensifier end of the C-arm
Which of the C-arm orientations in general results in the greater exposure to the
operator's head region if the distance from the patient is unchanged (patient is supine)?
- Answers :Anteroposterior (AP) projection (x-ray tube above anatomy)
A patient enters the ED with a possible pneumothorax of the right lung. The patient is
unable to stand or sit erect. Which specific position should be performed to diagnose
this condition? - Answers :Left Lateral Decubitus
A patient enters the ED with a possible fractured sternum. The patient is supine and
unable to lie prone. Which of the following routines best demonstrates the sternum? -
Answers :LPO and horizontal beam lateral
How should the CR be aligned for a trauma PA projection of the elbow? - Answers
:Perpendicular to the interepiconylar plane
A patient with a crushing injury to the thorax enters the emergency room. The patient is
on a backboard and cannot be moved. Which projections can be performed to
determine whether the sternum is fractured? - Answers :15° to 20° mediolateral angle
and horizontal beam lateral
A patient with a possible fracture of the ankle enters the ED. The patient cannot rotate
the lower limb. What can be done to provide the orthopedic surgeon with a mortise
projection of the ankle? - Answers :Angle CR 15° to 20° lateromedial
RADIOGRAPHY
What technical factors can be adjusted with a mobile machine? - Answers :kVp and
mAs
What are two classification of mobile x-ray machines? - Answers :Battery and standard
powered
Where should a radiographer stand when performing a mobile exam? - Answers :6 feet
away
What is the most effective means of radiation protection? - Answers :Distance
When should a grid be used on mobile examinations? - Answers :Over 10cm and a kVp
over 90
Define trauma. - Answers :Serious injury or shock to the body
What should be the first projection performed for a trauma patient with a cervical injury?
- Answers :(XTL C-Spine) Cross Table Lateral Cervical Spine
What action should a radiographer initiate if a head trauma patient has unequal pupils
or experiences a decrease in the level of consciousness? - Answers :Get a doctor or
nurse
When demonstrating lumbar vertebrae on a trauma patient who is supine on a
backboard, what should be the first projection performed? - Answers :Cross Table
Lateral Lumbar Spine (XTL L-Spine)
What is the general rule concerning immobilization devices when radiographing upper
and lower limbs on trauma patients? - Answers :Work around the device; DO NOT
REMOVE the immobilization device
What is the general rule concerning demonstration of adjacent joints when
radiographing long bones on trauma patients? - Answers :Include both joints
Closed reduction - Answers :The break can be fixed with a cast or etc. (doesn't require
surgery)
Open reduction - Answers :It requires surgery to fix
Which of the following imaging modalities is often used to diagnose pulmonary emboli?
- Answers :Nuclear medicine
, Which imaging modality is often used to diagnose an an ectopic pregnancy? - Answers
:Ultrasound
Which term describe a misalignment of a distal fracture fragment that is angled toward
the midline? - Answers :Varus deformity
Which of the following fractures is described as an incomplete fracture with the cortex
broken on one side of the bone? - Answers :Greenstick
Which of the following is not a fracture but a subluxation - Answers :Nursemaids elbow
Which one of the three cardinal rules of radiation protection is the most effective means
of reducing exposure during mobile and surgical procedures? - Answers :Distance
Which of the following positions or projections best demonstrates free intra-abdominal
air on the patient who cannot stand or sit erect? - Answers :Left Lateral decubitus
What type of "holding breath" instructions should be given for an AP projection (patient
supine) of the ribs located above the diaphragm? - Answers :Expose on inspiration
Where should the operator or surgeon stand when using a C-arm fluoroscopy unit in a
horizontal central ray CR position? - Answers :Intensifier end of the C-arm
Which of the C-arm orientations in general results in the greater exposure to the
operator's head region if the distance from the patient is unchanged (patient is supine)?
- Answers :Anteroposterior (AP) projection (x-ray tube above anatomy)
A patient enters the ED with a possible pneumothorax of the right lung. The patient is
unable to stand or sit erect. Which specific position should be performed to diagnose
this condition? - Answers :Left Lateral Decubitus
A patient enters the ED with a possible fractured sternum. The patient is supine and
unable to lie prone. Which of the following routines best demonstrates the sternum? -
Answers :LPO and horizontal beam lateral
How should the CR be aligned for a trauma PA projection of the elbow? - Answers
:Perpendicular to the interepiconylar plane
A patient with a crushing injury to the thorax enters the emergency room. The patient is
on a backboard and cannot be moved. Which projections can be performed to
determine whether the sternum is fractured? - Answers :15° to 20° mediolateral angle
and horizontal beam lateral
A patient with a possible fracture of the ankle enters the ED. The patient cannot rotate
the lower limb. What can be done to provide the orthopedic surgeon with a mortise
projection of the ankle? - Answers :Angle CR 15° to 20° lateromedial
