What is an appropriate diagnostic study for abdominal pain described as distended, bloated, that is improved after flatulence possibly related to large bowel obstruction?
Endoscopy
Colonoscopy
Ultrasound
KUB
The Correct Answer is D
Rationale:
A. Used to visualize the upper gastrointestinal tract (esophagus, stomach, duodenum). It does not provide information about bowel obstruction in the large intestine.
B. Allows direct visualization of the colon mucosa but is not typically used initially in suspected acute bowel obstruction due to the risk of perforation.
C. Useful for evaluating gallbladder, liver, kidneys, and sometimes bowel, but it is less sensitive for detecting large bowel obstruction.
D. A plain abdominal X-ray (KUB) is often the first-line diagnostic study for suspected large bowel obstruction. It can show dilated bowel loops, air-fluid levels, and fecal loading, which correlate with the patient’s symptoms of bloating, distention, and relief after flatulence.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Rationale:
A. Simply saline locking the IV catheter would interrupt the continuous infusion of nutrients, which can lead to hypoglycemia in clients receiving TPN.
B. Hanging only the IV fat emulsion is insufficient to meet the client’s total nutritional and caloric needs; it does not prevent hypoglycemia.
C. Calling the provider for new TPN orders is unnecessary if the original prescription is still valid; the priority is maintaining glucose levels until the TPN arrives.
D. If the TPN solution is unavailable, D₁₀W (10% dextrose in water) should be infused to prevent hypoglycemia, as TPN provides continuous glucose supply and abrupt discontinuation can cause dangerous drops in blood sugar.
Correct Answer is A
Explanation
Rationale:
A. Hematemesis (vomiting blood) indicates active gastrointestinal bleeding, which can lead to hypovolemic shock and is a life-threatening complication of peptic ulcer disease. It is therefore the priority assessment finding.
B. Dyspepsia (indigestion) is a common symptom of peptic ulcer disease but is not immediately life-threatening.
C. Epigastric discomfort is a typical symptom but is less urgent compared to active bleeding.
D. Constipation is a non-specific gastrointestinal symptom and does not pose an immediate threat in peptic ulcer disease.
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