CAA CAA Perioperative Patient Care & Assessment 2

Question 1

A patient undergoing abdominal surgery develops sudden hypotension, tachycardia, and decreased end-tidal CO2 intraoperatively. Which diagnosis should be highest on the differential?

Accepted Answer

Pulmonary embolism

Answer

Malignant hyperthermia

Answer

Anaphylaxis

Answer

Myocardial infarction

Question 2

Which intraoperative fluid is considered the most appropriate initial resuscitation fluid for a patient with hemorrhagic shock?

Accepted Answer

Lactated Ringer's solution

Answer

5% dextrose in water

Answer

Hypotonic saline (0.45%)

Answer

Free water via nasogastric tube

Question 3

When monitoring a patient in the prone position during spine surgery, which complication specific to this position must the anesthesia assistant continuously monitor for?

Accepted Answer

Pressure on the eyes causing ischemic optic neuropathy or corneal abrasion

Answer

Pneumothorax from central line insertion

Answer

Inadvertent intubation of the right mainstem bronchus

Answer

Catheter-associated urinary tract infection

Question 4

What is the primary goal of a preoperative beta-blocker continuation strategy in a chronic beta-blocker user presenting for major noncardiac surgery?

Accepted Answer

Prevent perioperative myocardial ischemia and arrhythmias

Answer

Reduce the risk of bronchospasm under anesthesia

Answer

Lower anesthetic MAC requirements

Answer

Increase systemic vascular resistance

Question 5

A post-surgical patient in the PACU complains of severe nausea and vomits twice. She received fentanyl and nitrous oxide during her 3-hour procedure. What is the MOST likely contributing factor?

Accepted Answer

Postoperative nausea and vomiting (PONV) secondary to opioid and N2O exposure

Answer

Malignant hyperthermia

Answer

Hypoglycemia from prolonged fasting

Answer

Residual neuromuscular blockade

Question 6

When performing a preoperative review of a pediatric patient's chart, which weight-based calculation is used to estimate the appropriate endotracheal tube (ETT) size for a child older than 2 years?

Accepted Answer

(Age in years / 4) + 4

Answer

(Weight in kg / 10) + 2

Answer

Age in years + 4

Answer

(Height in cm / 30) – 2

Question 7

Intraoperatively, the surgeon requests controlled hypotension to reduce blood loss during a total hip arthroplasty. What is the general target mean arterial pressure (MAP) during deliberate hypotension in a healthy adult?

Accepted Answer

50–65 mmHg

Answer

30–40 mmHg

Answer

70–80 mmHg

Answer

90–100 mmHg