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CBN Exam Prep: Complication Prevention & Pharmacology

Q: A patient has a stent for a stomach leak. How long should it stay in?

It takes about 6 weeks for the leak to heal. Leaving it longer makes the stent hard to remove.

Q: Besides medicine, how can you stop blood clots in a bariatric patient?

Walking and using leg machines keep blood moving so it does not clot.

Q: According to Virchow's Triad, what causes a blood clot?

Slow blood, vessel damage, and thick blood are the three main reasons clots form.

Q: A patient has pain in their right calf. What is the best test to check for a clot?

An ultrasound uses sound waves to find clots in the leg veins.

CBN Test 04: Acute Post-Surgical Monitoring

This exam reviews Virchow's Triad, Bowel Obstructions, and Language Barriers to ensure safe and effective nursing care for bariatric patients.

Emergency Protocol: Nurses must call the surgical team immediately before placing any stomach tube to prevent puncturing the new staple line.

Clot Prevention: Early walking combined with mechanical leg squeeze machines significantly reduces the risk of dangerous blood clots after surgery.

Medication Safety: Gastric bypass changes the digestive tract, which reduces acid and absorption, making some pill forms less effective for patients.

Edited by: Test-Questions.com

Last Updated: May 05, 2026

Q:1A patient has a stent for a stomach leak. How long should it stay in?

2 weeks.

6 days.

6 weeks.

6 months.

Q:2Besides medicine, how can you stop blood clots in a bariatric patient?

Walking early after surgery.

Using leg squeeze machines.

All of the above.

Keeping the patient in bed.

Q:3According to Virchow's Triad, what causes a blood clot?

Not moving.

Slow blood flow.

Vein wall injury.

All of the above.

Q:4A patient has pain in their right calf. What is the best test to check for a clot?

Leg venous ultrasound.

CT scan of both legs.

Leg x-ray.

Heart stress test.

Q:5A patient has sudden chest pain and very low ... [Show Full Question 5]

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Send them for a chest CT scan.

Give them blood thinners.

Start a heparin drip.

Q:6What causes a bowel block ... [Show Full Question 6]

a) Hernias and old scars.

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c) Scar tissue narrowing.

d) Both a and b.

Q:7What are common signs ... [Show Full Question 7]

Nausea.

Vomiting.

Belly pain.

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Q:8What causes a bowel block months ... [Show Full Question 8]

a) Internal hernias.

b) Tissue swelling.

c) Adhesions from scars.

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Q:9A patient has a fast heart rate, low blood pressure, ... [Show Full Question 9]

Stomach leak.

Dumping syndrome.

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Kidney failure.

Q:10If a patient is severely dehydrated, ... [Show Full Question 10]

Have them drink water.

Weigh them.

Get a urine sample.

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Q:11A patient is confused and says "yes" to ... [Show Full Question 11]

Assume they are just confused.

Assume they are worried.

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Assume they are being difficult.

Q:12A patient has a fever and noisy lung sounds after ... [Show Full Question 12]

Severe infection.

Stomach leak.

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The patient is being lazy.

Q:13Which of these should NOT be a goal ... [Show Full Question 13]

Stay on the Stage 2 diet.

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No drinking 30 minutes before or after meals.

Avoid drinks with caffeine.

Q:14A patient is throwing up non-stop two weeks ... [Show Full Question 14]

Tell them this is normal.

Put in a stomach tube.

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Put them on a breathing machine.

Q:15You are about to put in a stomach tube for ... [Show Full Question 15]

Take the tube out immediately.

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Use the tube for suction as planned.

Order an eye test.

Q:16Why is it dangerous to place a stomach tube ... [Show Full Question 16]

It makes the patient feel sick.

It is hard to push through.

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Vomiting is better managed with drugs.

Q:17A patient thinks they should never have a stomach ... [Show Full Question 17]

Agree that they should always refuse.

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Tell them a short tube is always fine.

Tell them they will never need one.

Q:18Using the standard Devine Formula, what is the calculated Ideal Body ... [Show Full Question 18]

45.5 kg.

52.3 kg.

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61.6 kg.

Q:19Which weight measurement is most commonly used to calculate the correct ... [Show Full Question 19]

Ideal body weight.

Total body weight.

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Dry body weight.

Q:20What changes in a bypass patient affect ... [Show Full Question 20]

a) Lower heart output.

b) Less stomach acid.

c) Less bowel absorption.

▬▬▬▬▬▬▬▬▬▬▬▬ View Correct Answer (Q:20)

Test 04 Study Summary

1. Clinical Calculations: Adjusted body weight is the standard measurement used to determine safe and effective antibiotic doses for obese patients.

2. Diagnostic Testing: Venous ultrasound of the legs remains the best diagnostic tool for confirming a suspected deep vein blood clot.

3. Patient Communication: Using a professional language interpreter is a mandatory safety step when a patient cannot clearly communicate in English.

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