16 Questions
What is the recommended position for the patient during the administration of barium sulfate solutions?
Lying on their left side
How should the rectal tube be inserted into the anal orifice?
Direct the tube anteriorly 1 to 1½ inches
What should be done before inserting the rectal tube into the anal orifice?
Coat the enema tip with a water-soluble lubricant
Why is it important to instruct the patient to relax and take slow deep breaths during insertion?
To facilitate insertion of the rectal tube
What is the purpose of a low-residue diet in preparations for certain medical procedures?
To decrease stool frequency and volume
Why is a clear liquid diet often prescribed before a barium examination?
To leave no residue in the intestinal tract
Which of the following laxatives is commonly used for purgation in preparations?
Bisacodyl
What is the main purpose of using cleansing enemas in medical procedures?
To relieve severe constipation
What is the purpose of using a much larger catheter for administering barium sulfate solution compared to the one used for cleansing enemas?
To allow the barium, which is of greater viscosity, to be instilled into the lower bowel.
Why do some physicians inflate the cuff of the catheter when administering a barium enema?
To prevent involuntary expulsion of the barium.
What is a common complication of a barium enema procedure related to the use of balloon catheters?
Damage to the rectal wall from improper use of balloon catheters.
Why are balloons contraindicated in cases of rectal narrowing during a barium enema procedure?
Due to the risk of rectal wall damage and complications like barium entering the peritoneal cavity or bloodstream.
What characteristic should barium suspensions and solutions have?
Rapid flow and good adhesion to the mucosa
Why do some people advocate the use of salt when preparing barium solution?
To reduce irritation to the colon
What is the purpose of informing the patient that not all 3000 mL of barium solution may need to be administered?
To clarify that full administration may not be necessary
Why might a radiologist have preferences regarding the viscosity and density of barium solution?
To ensure adequate coating of the mucosa
This quiz covers the information related to administering barium sulfate solution into the rectum and through the colon using a catheter. Topics include catheter types, insertion techniques, and the use of inflatable cuffs. Test your knowledge on this procedure!
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