ABA Safety Protocols & Risk Management 2

Question 1

According to ASA guidelines, which preoperative fasting interval applies to clear liquids in elective non-pregnant adults?

Accepted Answer

2 hours

Answer

ASA NPO guidelines permit clear liquids up to 2 hours before elective procedures in healthy adults.

Question 2

The WHO Surgical Safety Checklist 'Sign Out' phase is performed at which point?

Accepted Answer

Before the patient leaves the operating room

Answer

The Sign Out occurs before the patient leaves the OR to confirm specimen labeling, instrument counts, and post-op concerns.

Question 3

Which gas-delivery system feature prevents inadvertent administration of a hypoxic mixture by linking O2 and N2O flow controls?

Accepted Answer

Proportioning system

Answer

The proportioning system (e.g., Link-25 or ORMC) mechanically couples N2O and O2 flowmeters to maintain a minimum O2 concentration.

Question 4

A patient undergoing carotid endarterectomy suddenly becomes unresponsive and apneic under regional anesthesia. The FIRST priority is:

Accepted Answer

Secure the airway and ventilate

Answer

Airway management and oxygenation are always the first priority regardless of the suspected cause.

Question 5

Which ASA physical status classification is assigned to a patient with end-stage renal disease on hemodialysis?

Accepted Answer

ASA IV

Answer

End-stage renal disease on dialysis represents a severe systemic disease with a constant threat to life, consistent with ASA IV.

(ABA) ASA (American Society of Anesthesiologists) Board Certification Practice Test