RAD 140 FINAL QUESTIONS AND ANSWERS
If parents are allowed in the room to assist with immobilization in the x-ray room during
a radiographic exam of their children they should wear? - Answers - A lead apron and
lead gloves if their hands are in the beam
When performing limb radiography with children, what may be required to help evaluate
for fracture? - Answers - X-ray of the opposite limb for comparison
T/F: The central ray should enter at the level of the maxillary (nipple) line when doing a
chest x-ray on a child. - Answers - True
Which of the following factors should be the first consideration in controlling motion for
the pediatric patient?
-Pigg-O-Stat
-Sandbags and tape
-High kVp techniques
-Short exposure times - Answers - Short exposure times
T/F: It is generally not the responsibility of the technologist to make a judgement as to
whether child abuse has occurred. - Answers - True
What is the NPO fasting time for a 2 year old before an UGI series? - Answers - 4 hours
Which of the following is a mechanical obstruction that is caused by the telescoping of a
loop of intestine into another loop? - Answers - Intussusception
Where is the central ray centered for a KUB performed on an infant? - Answers - 1 inch
above the umbilicus
Which of the following studies is performed most often for croup? - Answers - AP and
Lat Soft tissue neck
The following are regular used to protect children from unnecessary radiation exposure:
-Appropriate use of filters
-Precise collimation
-gonadal shielding - Answers - Precise collimation, Gonadal shielding
What is the normal time frame for patients to be NPO prior to having a lower GI exam? -
Answers - 8 Hours
The opening between the small intestine and the large intestine is called the? - Answers
- Ileocecal valve
, Situation: While attempting to insert an enema tip into the rectum, the technologist
experiences resistance. What should be the next step taken by the technologist? -
Answers - Have the radiologist insert it using fluoroscopic guidance
Which position should patient be placed in to insert the enema tip for a barium enema? -
Answers - Sims
Which projection of the colon best demonstrates the right colic flexure? - Answers - LPO
Situation: A radiograph of an AP barium enema projection reveals poor visualization of
the sigmoid due to excessive superimposition of the sigmoid colon and rectum. How
can this are be better visualized on the repeat exposure? - Answers - Angle the CR 30-
40 degrees cephalad with AP projection
The ascending portion of the colon joints the transverse colon at the? - Answers - Right
colic flexure
Why is it important for the RT to review the patient's char and inform the radiologist
before beginning the BE exam if a BIOPSY was performed as part of a prior
sigmoidoscopy or colonoscopy? - Answers - The biopsy of the colon may weaken that
portion of the colon, which could lead to a perforation during the BE exam
T/F: The large intestine and the colon are the same thing. - Answers - False
In which quadrant is the ileocecal value located? - Answers - RLQ
Which of the following radiographic positions is/are used to demonstrate the
cervicothoracic region in the lateral projection? - Answers - Swimmer's method
What is the most superior part of a vertebrae? - Answers - Superior articular process
Which vertebral process projects posteriorly from the junction of the laminae? - Answers
- Spinous process
Which of the following vertebral areas have a kyphotic curve?
-Thoracic
-Lumbar
-Sacrum and Coccyx - Answers - Thoracic, Sacrum and Coccyx
The second cervical vertebrae is Calle the? - Answers - Axis
Which projection and body position will demonstrate the sternum through the heart? -
Answers - PA Oblique, RAO
The sternum is approximately how long? - Answers - 6 inches
If parents are allowed in the room to assist with immobilization in the x-ray room during
a radiographic exam of their children they should wear? - Answers - A lead apron and
lead gloves if their hands are in the beam
When performing limb radiography with children, what may be required to help evaluate
for fracture? - Answers - X-ray of the opposite limb for comparison
T/F: The central ray should enter at the level of the maxillary (nipple) line when doing a
chest x-ray on a child. - Answers - True
Which of the following factors should be the first consideration in controlling motion for
the pediatric patient?
-Pigg-O-Stat
-Sandbags and tape
-High kVp techniques
-Short exposure times - Answers - Short exposure times
T/F: It is generally not the responsibility of the technologist to make a judgement as to
whether child abuse has occurred. - Answers - True
What is the NPO fasting time for a 2 year old before an UGI series? - Answers - 4 hours
Which of the following is a mechanical obstruction that is caused by the telescoping of a
loop of intestine into another loop? - Answers - Intussusception
Where is the central ray centered for a KUB performed on an infant? - Answers - 1 inch
above the umbilicus
Which of the following studies is performed most often for croup? - Answers - AP and
Lat Soft tissue neck
The following are regular used to protect children from unnecessary radiation exposure:
-Appropriate use of filters
-Precise collimation
-gonadal shielding - Answers - Precise collimation, Gonadal shielding
What is the normal time frame for patients to be NPO prior to having a lower GI exam? -
Answers - 8 Hours
The opening between the small intestine and the large intestine is called the? - Answers
- Ileocecal valve
, Situation: While attempting to insert an enema tip into the rectum, the technologist
experiences resistance. What should be the next step taken by the technologist? -
Answers - Have the radiologist insert it using fluoroscopic guidance
Which position should patient be placed in to insert the enema tip for a barium enema? -
Answers - Sims
Which projection of the colon best demonstrates the right colic flexure? - Answers - LPO
Situation: A radiograph of an AP barium enema projection reveals poor visualization of
the sigmoid due to excessive superimposition of the sigmoid colon and rectum. How
can this are be better visualized on the repeat exposure? - Answers - Angle the CR 30-
40 degrees cephalad with AP projection
The ascending portion of the colon joints the transverse colon at the? - Answers - Right
colic flexure
Why is it important for the RT to review the patient's char and inform the radiologist
before beginning the BE exam if a BIOPSY was performed as part of a prior
sigmoidoscopy or colonoscopy? - Answers - The biopsy of the colon may weaken that
portion of the colon, which could lead to a perforation during the BE exam
T/F: The large intestine and the colon are the same thing. - Answers - False
In which quadrant is the ileocecal value located? - Answers - RLQ
Which of the following radiographic positions is/are used to demonstrate the
cervicothoracic region in the lateral projection? - Answers - Swimmer's method
What is the most superior part of a vertebrae? - Answers - Superior articular process
Which vertebral process projects posteriorly from the junction of the laminae? - Answers
- Spinous process
Which of the following vertebral areas have a kyphotic curve?
-Thoracic
-Lumbar
-Sacrum and Coccyx - Answers - Thoracic, Sacrum and Coccyx
The second cervical vertebrae is Calle the? - Answers - Axis
Which projection and body position will demonstrate the sternum through the heart? -
Answers - PA Oblique, RAO
The sternum is approximately how long? - Answers - 6 inches
