MAC Postoperative Care & PACU Management

Question 1

What is the minimum oxygen saturation threshold for PACU discharge per standard Aldrete scoring?

Accepted Answer

92% on room air or at baseline

Answer

85% on room air

Answer

100% on supplemental oxygen

Answer

95% on supplemental oxygen

Question 2

What are the most common causes of postoperative nausea and vomiting (PONV)?

Accepted Answer

Opioid use and volatile anesthetic agents

Answer

Antibiotic administration

Answer

Excessive IV fluid administration

Answer

Postoperative hypothermia

Question 3

Which factor is NOT included in the Apfel PONV risk score?

Accepted Answer

ASA physical status classification

Answer

Female sex

Answer

Non-smoking status

Answer

History of PONV or motion sickness

Question 4

What condition should be suspected when a PACU patient develops agitation, hypertension, and tachycardia simultaneously?

Accepted Answer

Inadequate pain control or emergence agitation

Answer

Adequate analgesia

Answer

Anesthetic drug overdose

Answer

Isolated hypovolemia

Question 5

What is the Aldrete score used to assess in the PACU?

Accepted Answer

Readiness for PACU discharge

Answer

Intraoperative hemodynamic stability

Answer

Prediction of postoperative complications

Answer

Anesthetic depth during the case

Question 6

What is the primary concern with prolonged postoperative shivering in the PACU?

Accepted Answer

Significantly increased oxygen consumption by 200-300%

Answer

Decreased metabolism

Answer

Bradycardia

Answer

Decreased pain perception