CGRN - Certified Gastroenterology Registered Nurse Pharmacology and Sedation Questions and Answers

Question 1

A patient undergoing a colonoscopy with moderate sedation using midazolam and fentanyl becomes unresponsive with a respiratory rate of 6 breaths/minute and an SpO2 of 85%.
Which of the following is the most appropriate initial pharmacological intervention?

Accepted Answer

Administer naloxone

Answer

Administer flumazenil

Answer

Increase the intravenous fluid rate

Answer

Prepare for endotracheal intubation

Question 2

Which of the following is a primary characteristic of propofol that makes it a popular agent for sedation in gastroenterology procedures?

Accepted Answer

It has a rapid onset and a short recovery profile.

Answer

It possesses significant analgesic properties.

Answer

It has a long duration of action, requiring less frequent dosing.

Answer

It has a specific pharmacological reversal agent.

Question 3

A 72-year-old patient with well-controlled hypertension and type 2 diabetes, who is otherwise active and independent, is scheduled for an EGD. According to the American Society of Anesthesiologists (ASA) Physical Status Classification System, what is the most appropriate classification for this patient?

Accepted Answer

ASA II

Answer

ASA I

Answer

ASA IV

Answer

ASA III

Question 4

During a procedure with moderate sedation, the gastroenterology nurse notices a sudden loss of the capnography waveform on the monitor, although the patient's chest is still rising and falling and the pulse oximeter reading is stable. What is the most likely cause?

Accepted Answer

Dislodgement of the nasal cannula

Answer

Imminent respiratory arrest

Answer

Bronchospasm

Answer

Cardiac arrest

Question 5

Flumazenil (Romazicon) is administered to reverse the effects of a benzodiazepine. The nurse should be aware that its use is contraindicated in which of the following patients?

Accepted Answer

A patient with a history of chronic benzodiazepine use or seizure disorder

Answer

A patient who received fentanyl during the procedure

Answer

A patient with a known allergy to eggs or soy

Answer

A patient with a history of obstructive sleep apnea

Question 6

A patient is receiving moderate sedation with midazolam. According to the American Society of Anesthesiologists' (ASA) definition, which of the following responses would indicate the patient is at the intended level of sedation?

Accepted Answer

Purposeful response to verbal or light tactile stimulation

Answer

Unarousable, even with painful stimulus

Answer

Normal response to verbal commands without stimulation

Answer

Purposeful response only after repeated or painful stimulation