A patient is being assessed for a possible bowel obstruction
The nurse provides information regarding which diagnostic tests to confirm the presence of an obstruction? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Select all that apply. 1. Barium swallow
2. A CT scan of the abdomen
3. An abdominal X-ray series
4. Serum osmolality
5. CBC with differential
2,3
Rationale 1: A barium swallow is contraindicated because of the possibility of intestinal perforation or a worsening of the obstruction.
Rationale 2: The diagnosis can be confirmed with a CT scan.
Rationale 3: The diagnosis can be confirmed with X-rays.
Rationale 4: Serum osmolality is not diagnostic of bowel obstruction.
Rationale 5: A CBC with differential would be performed to determine the risk of infection but is not diagnostic of bowel obstruction.
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