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Exam (elaborations)

PACU EXAM QUESTIONS AND ANSWERS

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PACU EXAM QUESTIONS AND ANSWERS...

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  • October 20, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
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  • pacu
  • pacu exam
  • PACU
  • PACU
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luzlinkuz
PACU EXAM QUESTIONS AND ANSWERS


When comparing desflurane with sevoflurane anaesthesia at 1 MAC, which of
the following parameters is more likely to remain the same or similar when the
anaesthetic is discontinued? - ANSWER time to orient to person, place, and
time

Which test accurately predicts recovery of airway reflexes? - Answer none of
the above.


A negative inspiratory pressure of 25 cmH2O or less is required, as well as a
prolonged head raise lasting 10 seconds.
C. Restore train-of-four ANSWER to preoperative levels

Which of the following is the Least Likely Cause of Postoperative Hypoxia? -
ANSWER hypothermia

You are caring for a 25-year-old otherwise healthy patient in the PACU who is
breathing room air and has an oxygen saturation of 85%. A blood gas analysis
shows an arterial PO2 of 55 mm Hg and an arterial PCO2 of 70 mm Hg. Which
of the following is the most likely explanation for this patient's hypoxaemia? -
Answer: hypoventilation

A 56-year-old lady has a cystectomy under general anaesthesia that includes
70% nitrous oxide, 29% oxygen, and 1% isoflurane. Within minutes of her
emergence, she is transferred to the postanesthesia care unit (PACU) and is
spontaneously ventilating with oxygen via face mask; however, the
anaesthesiologist is unaware that the oxygen tank is empty. When I arrived to
the PACU, my blood pressure was 140/76, my pulse was 82, my respiratory rate
was 18, and my oxygen saturation was 84%. On examination, she has clear
bilateral breath sounds, excellent tidal volumes, and appears relaxed. Which of
the following is the most likely explanation for the patient's low pulse oximeter
reading? - The answer is diffusion hypoxia.

, Which of the following risk factors is the most effective predictor of
postoperative pulmonary dysfunction? - ANSWER dyspnoea.

A 32-year-old man develops hypoxia in the post-anesthesia care unit following
general anaesthesia with an endotracheal tube. Negative-pressure pulmonary
oedema is suspected. Which of the following assertions about negative-pressure
pulmonary oedema is accurate? - ANSWER Possible causes include
postextubation laryngospasm and obstructive sleep apnoea.

What is the estimated FiO2 given by a nasal cannula with 100% oxygen flowing
at 6 L/min? - ANSWER 45%

Patients with obstructive sleep apnoea (OSA) should be observed with pulse
oximetry until their oxygen saturation is over ___ on room air while sleeping. -
ANSWER 90%

Delirium can be characterised by all of the following except:___? - Answer:
increased morbidity but not mortality.

Which of the following is an established independent predictor of postoperative
cognitive decline (POCD)? - Answer: prior cerebrovascular accident.

A 78-year-old patient and his family say that he has had trouble concentrating
and remembering things. He is slated for prostate surgery and has stated that he
may refuse if it means he would not be able to "be himself" afterwards. Which
of the following assertions regarding the scenario is most likely correct? -
ANSWER Preoperative therapy for cognitive impairment may reduce the risk of
delirium.

Which statement about postoperative delirium is most likely correct? -
ANSWER Long-term mortality is increased in individuals who develop
delirium compared to those who do not.

An 86-year-old woman develops greater bewilderment and disorientation after
surgery. She complains about "seeing" deceased relatives visiting her. Which of
the following is not regarded as a risk factor for postoperative delirium? -
ANSWER Female Gender

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