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Adv Positioning 2

Week 2 Quiz

QuestionAnswer
Barium sulfate by mouth is contraindicated in patients with a suspected large bowel obstruction. True
Consuming ice water may increase the speed at which barium sulfate moves through the small bowel. True
The first radiograph taken in a small bowel series is obtained 60 minutes after the completion of the UGI series. False
Contraindications to the use of laxatives include bowel obstruction and severe diarrhea. True
The recommended temperature of a barium sulfate and water mixture for a barium enema is 40 to 45 °F. False
The patient is placed in Fowler’s position for insertion of the enema tip. False
The recommended height for the enema bag is 40 inches (100 cm). False
Evacuative proctography may also be called defecography. True
It takes longer for barium sulfate to transit the small bowel of pediatric patients than it does for adults. False
Nuclear medicine may be used for the diagnosis of Meckel's diverticulum. True
What information are you looking for in the patient's chart prior to a barium enema? Look to see if the patient had a sigmoidoscopy or biopsy of the large intestine and if they have any sensitivities to the contrast medium or latex.
What should you do if you meet resistance during tip insertion? Stop and notify the radiologist and have him/her insert it.
The height of the enema bag does not exceed 24 inches (60 cm) above the table at the beginning of the procedure. Why is bag height a safety concern? If the bag height is too great, gravity may force an increase in the flow of the contrast medium, which can rupture a weakened region of the large intestine.
What is the recommended water temperature for the barium mixture? Room temperature (85 to 90 degrees F) is recommended.
Why should the technologist escort the patient? Due to anxiety or discomfort from the procedure, the patient may feel faint while walking to the restroom.
The patient is placed in the _______ position. Prone
The IR is placed 2 inches (5 cm) above the ______ for the initial small bowel radiograph. iliac crest
After the first image, radiographs are typically taken every __________ minutes. 30
The small bowel series is considered completed when the barium reaches the ileocecal valve
The _________ _________ flexure is best demonstrated by the RAO and LPO positions. right
For the PA projection, the IR is centered at the level of the iliac crest
The rectum is best demonstrated on the lateral projection
The CR is directed to the level of the ASIS for the lateral projection
A __________________ lateral decubitus will demonstrate air in the right colic flexure. left
For the AP axial projection, the CR is angled ______ to ______ cephalad. 30-40
The ____________________ portion of the large intestine is demonstrated by the PA axial projection. rectosigmoid
What is the correct sequence for enema tip insertion for a Barium Enema procedure? Describe tip insertion, Place patient in Sims position, Wearing gloves, coat enema tip well with water-soluble lubricant. Wrap proximal aspect of enema tip in paper towel, Shake enema bag to ensure mixing of barium. Remove all air from tubing, On expirati
 

 



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