Certified Gastroenterology RN Trivia 3 — Questions and Answers
Question 1: Which bowel preparation electrolyte imbalance is most concerning before colonoscopy?
- Hypernatremia
- Hypokalemia (Correct answer)
- Hypercalcemia
- Hyperchloremia
Correct answer: Hypokalemia
Aggressive bowel prep can cause hypokalemia, risking cardiac arrhythmias.
Question 2: What is the recommended patient position during a colonoscopy insertion?
- Prone
- Left lateral (Sims) (Correct answer)
- Supine
- Trendelenburg
Correct answer: Left lateral (Sims)
The left lateral or Sims position eases scope insertion into the rectum.
Question 3: Which medication reverses the effects of benzodiazepine sedation?
- Naloxone
- Flumazenil (Correct answer)
- Atropine
- Protamine
Correct answer: Flumazenil
Flumazenil is the antagonist used to reverse benzodiazepines like midazolam.
Question 4: During an EGD, which airway complication should the nurse monitor for most closely?
- Aspiration (Correct answer)
- Epistaxis
- Otitis
- Conjunctivitis
Correct answer: Aspiration
Upper endoscopy poses an aspiration risk due to secretions and sedation.
Question 5: What does the abbreviation ERCP stand for?
- Endoscopic Retrograde Cholangiopancreatography (Correct answer)
- Emergency Rectal Colon Procedure
- External Renal Catheter Placement
- Enteric Reflux Control Protocol
Correct answer: Endoscopic Retrograde Cholangiopancreatography
ERCP is Endoscopic Retrograde Cholangiopancreatography for biliary and pancreatic ducts.
Question 6: Which vital sign change during sedation most urgently signals respiratory depression?
- Rising blood pressure
- Falling oxygen saturation (Correct answer)
- Increased temperature
- Bradycardia only
Correct answer: Falling oxygen saturation
A drop in SpO2 is the key early indicator of respiratory depression under sedation.
Question 7: What is the primary risk following a polypectomy?
- Bleeding (Correct answer)
- Fever
- Rash
- Hair loss
Correct answer: Bleeding
Bleeding is the most common complication after polyp removal.
Which bowel preparation electrolyte imbalance is most concerning before colonoscopy?