MAC Intraoperative Complications & Emergency Management

Question 1

What is the definitive airway management strategy when 'cannot intubate, cannot oxygenate' (CICO) is declared?

Accepted Answer

Emergency surgical airway (cricothyrotomy)

Answer

Continue mask ventilation attempts

Answer

Call for help and reassess after 5 minutes

Answer

Attempt awaken the patient immediately

Question 2

What are the hallmark early signs of anaphylaxis occurring under general anesthesia?

Accepted Answer

Bronchospasm, hypotension, and urticaria

Answer

Fever and muscle rigidity

Answer

Hypertension and bradycardia

Answer

Muscle fasciculations and tachycardia

Question 3

What is the first-line drug for treating anaphylaxis under anesthesia?

Accepted Answer

Epinephrine IV or IM

Answer

Diphenhydramine IV

Answer

Hydrocortisone IV

Answer

Ephedrine IV

Question 4

Which intraoperative event is characterized by a sudden decrease in end-tidal CO2?

Accepted Answer

Venous air embolism

Answer

Bronchospasm

Answer

Malignant hyperthermia onset

Answer

Laryngospasm

Question 5

What is the primary treatment for a massive pulmonary embolism occurring intraoperatively?

Accepted Answer

Systemic anticoagulation and hemodynamic support

Answer

Aggressive diuresis

Answer

Bronchodilators only

Answer

Vasodilators only

Question 6

Which monitoring parameter is the earliest and most specific sign of malignant hyperthermia?

Accepted Answer

Rapidly rising end-tidal CO2 despite adequate ventilation

Answer

Tachycardia alone

Answer

Hyperthermia above 39°C

Answer

Muscle rigidity