CAA Perioperative Care & Patient Monitoring 2

Question 1

Which combination of intraoperative findings is most characteristic of early malignant hyperthermia?

Accepted Answer

Rising ETCO2 and increasing core temperature

Answer

Decreasing blood pressure and bradycardia

Answer

Decreasing SpO2 and hypotension

Answer

Bradycardia and decreasing ETCO2

Question 2

A train-of-four (TOF) ratio of 0.9 or greater at the adductor pollicis muscle indicates:

Accepted Answer

Adequate recovery of neuromuscular function for extubation

Answer

Deep neuromuscular blockade requiring re-dosing

Answer

Complete paralysis with no twitch response

Answer

Insufficient reversal requiring additional neostigmine

Question 3

The modified Aldrete scoring system is used in the PACU to assess:

Accepted Answer

Patient readiness for discharge from the PACU

Answer

Depth of residual anesthesia in the OR

Answer

Preoperative surgical risk classification

Answer

Degree of intraoperative neuromuscular blockade

Question 4

Which monitoring modality provides continuous beat-to-beat arterial blood pressure measurement and allows for repeated arterial blood gas sampling?

Accepted Answer

Radial arterial line (intra-arterial catheter)

Answer

Automated noninvasive blood pressure cuff

Answer

Pulse oximetry waveform

Answer

Central venous catheter

Question 5

Which immediate postoperative complication is most frequently encountered in the PACU?

Accepted Answer

Postoperative nausea and vomiting (PONV)

Answer

Acute myocardial infarction

Answer

Deep vein thrombosis

Answer

Pulmonary embolism

Question 6

The Apfel score is a clinical tool used to predict the risk of:

Accepted Answer

Postoperative pulmonary complications

Answer

Intraoperative awareness under anesthesia

Answer

Difficult endotracheal intubation

Answer

Postoperative nausea and vomiting (PONV)

Question 7

Unintentional intraoperative hypothermia (core temperature <36°C) is associated with which perioperative complication?

Accepted Answer

Impaired drug metabolism and increased coagulopathy

Answer

Increased cardiac output and vasodilation

Answer

Accelerated recovery from neuromuscular blockade

Answer

Decreased anesthetic requirements