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Barium sulfate by mouth is contraindicated in patients with a suspected large bowel obstruction.
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Consuming ice water may increase the speed at which barium sulfate moves through the small bowel.
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Adv Positioning 2
Week 2 Quiz
| Question | Answer |
|---|---|
| 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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