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Stool Examination and Tumor Markers

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Questions and Answers

What is the preparation for a patient undergoing a barium swallow study?

Fleet or cleansing enema

NPO for 6-8 hours (correct)

Clear liquid diet 24 hours before

NPO for 12 hours

What is the normal range of gastric acidity in a gastric analysis?

10-15 mEq/L

5-10 mEq/L

1-5 mEq/L (correct)

1-10 mEq/L

What is the indication for a gastric analysis?

To diagnose gastric cancer

To diagnose duodenal ulcer

To diagnose pernicious anemia

All of the above (correct)

What is the purpose of a biopsy in the oral cavity or tongue?

To assess the site for bleeding Signup and view all the answers

What is the purpose of the hydrogen breath test?

To evaluate carbohydrate absorption Signup and view all the answers

What is the preparation for a patient undergoing a hydrogen breath test?

Clear liquid diet 24 hours before and fleet or cleansing enema Signup and view all the answers

What is the indication for a biopsy of the stomach?

To diagnose gastric cancer Signup and view all the answers

What is the post-procedure instruction for a patient who has undergone a barium swallow study?

Increase fluid intake Signup and view all the answers

What is the purpose of a rectal biopsy?

To diagnose lesions, polyps, tumors of the lower sigmoid colon, rectum and anal canal Signup and view all the answers

What is the observation period for a patient who has undergone a barium swallow study?

24-72 hours Signup and view all the answers