Certified Gastroenterology RN Moderate Sedation and Anesthesia Questions and Answers

Question 1

A 68-year-old male with well-controlled hypertension and type 2 diabetes (ASA Class II) is undergoing a screening colonoscopy with moderate sedation using fentanyl and midazolam. During the procedure, the nurse notes the patient is unarousable to verbal stimuli but withdraws from a painful stimulus. His respiratory rate is 8 breaths/min and oxygen saturation is 88% on room air. According to the ASA definitions of sedation, the patient has progressed to which level?

Accepted Answer

Deep sedation/analgesia

Answer

The patient's state, characterized by a purposeful response only to repeated or painful stimulation and potential impairment of ventilatory function, aligns with the definition of deep sedation. In moderate sedation, patients should respond purposefully to verbal commands. General anesthesia involves unarousability even to painful stimuli.

Question 2

A patient in the recovery area following an EGD with moderate sedation becomes increasingly somnolent and has a respiratory rate of 6 breaths/min. The physician orders flumazenil. The nurse should recognize that the primary reason for administering flumazenil is to reverse the effects of which medication?

Accepted Answer

Midazolam

Answer

Flumazenil is a specific benzodiazepine antagonist used to reverse the sedative effects of medications like midazolam. Naloxone is the reversal agent for opioids such as fentanyl.

Question 3

When preparing a patient for an endoscopic procedure with moderate sedation, which of the following is the MOST critical component of the pre-procedure nursing assessment?

Accepted Answer

Evaluating the patient’s history for snoring, stridor, or diagnosed sleep apnea

Answer

Assessing for a history of snoring, stridor, or sleep apnea is critical as these conditions significantly increase the risk of airway compromise and respiratory depression during sedation. While NPO status and past surgical history are important, a compromised airway presents the most immediate life-threatening risk during the procedure.

Question 4

A gastroenterology nurse is monitoring a patient during a colonoscopy under moderate sedation. Which technology provides the earliest indication of developing respiratory depression?

Accepted Answer

Capnography

Answer

Capnography measures the concentration of carbon dioxide in exhaled air (end-tidal CO2), providing a real-time assessment of ventilation. It can detect hypoventilation or apnea seconds before a drop in oxygen saturation (hypoxemia) would be noted on a pulse oximeter.

Question 5

A patient who received fentanyl and midazolam for a flexible sigmoidoscopy is being prepared for discharge. The nurse uses the Modified Aldrete Score to assess recovery. Which of the following parameters are included in this scoring system?

Accepted Answer

Activity, respiration, circulation, consciousness, and O2 saturation

Answer

The Modified Aldrete Score assesses five key criteria to determine a patient's readiness for discharge from the post-anesthesia care unit (PACU). These criteria are activity (ability to move extremities), respiration, circulation (blood pressure), consciousness, and oxygen saturation.

Certified Gastroenterology RN Practice Test

Certified Gastroenterology RN Practice Test

Certified Gastroenterology RN Moderate Sedation and Anesthesia Questions and Answers