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AKB 1 - Review Questions

AKB 1 - Review Questions - ANES 6120/6121 ANESTHESIA REVIEW...

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ANES 6120/6121 – ANESTHESIA REVIEW AKB 1 – REVIEW QUESTIONS Professor Michael Nichols DIRECTIONS : Each of the numbered items or incomplete statements in this section is followed by answers or by completions of the statement. Select the ONE lettered answer or completion that is BEST in each case and fill in the circle containing the corresponding letter on the answer sheet. 1. An anesthesia machine is set to deliver oxygen 2 L/min, nitrous oxide 2 L/min, and enflurane. After 30 minutes of stable anesthesia, which of the following is the most likely cause of a decrease in the oxygen analyzer reading from 50% to 30%? (A) A leak in the ventilator bellows (B) Accumulation of water on the oxygen sensor membrane (C) Calibration at 100% oxygen using less than 100% oxygen (D) Disconnection of the wall oxygen hose (E) Presence of the oxygen analyzer in the expiratory limb 2. While delivering nitrous oxide 1.5 L/min, oxygen 1.5 L/min, and halothane 1%, a leak in the oxygen flowmeter will most likely be detected by the 3. During steady-state intraoperative controlled mechanical ventilation, exhaled tidal volume will be increased by 4. Proper handling of oxygen cylinders includes (A) maintenance of storage room temperature above 60 0 F (B) separate storage rooms for nitrous oxide and oxygen (C) opening the cylinder valve just sufficiently to register tank pressure accurately (D) storage in a room with conductive flooring (E) opening the cylinder valve briefly before attachment to the anesthesia machine
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