An Experienced CRNA Administered MAC to a 29-Year-Old Female Undergoing

question 21

Multiple Choice

An experienced CRNA administered MAC to a 29-year-old female undergoing local scar revision surgery for an old abdominal incision.She titrated midazolam and propofol to dull the patient's level of consciousness.She was alerted by the dropping SpO₂ reading and the patient's loss of chest movement.The patient did not respond to a head-tilt/chin-lift maneuver.The CRNA's next response to this event is to:

• A) alert the surgeon and ventilate the patient's lungs with a self-inflating bag-valve-mask.
• B) increase the O₂ to 10 L/min, gently tap the patient's shoulder, and call the patient's name.
• C) begin chest compressions.
• D) call for the code cart and difficult airway cart.

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Definitions:

Hydrophobic

Characteristic of molecules or parts of molecules that repel water or do not mix with water.

1-butanol

An organic compound, part of the alcohol family, with the formula C4H9OH, characterized by a four-carbon chain.

(2S,4R)-4-propylhexane-2-thiol

A specific chiral molecule indicated by its IUPAC name, highlighting its stereochemistry and functional groups.

(2R,4S)-4-propylhexane-2-thiol

A chiral molecule specified by its configuration, comprising a six-carbon chain with a propyl group and a thiol group at specific positions.