CSFA CSFA Surgical Equipment and Technology 3

Question 1

During a laparoscopic case, the surgeon reports poor visualization due to fogging of the scope lens. What is the first corrective action?

Accepted Answer

Warm or apply anti-fog solution to the lens before reinsertion

Answer

Increase the insufflation pressure

Answer

Replace the CO2 canister

Answer

Turn off the OR lights

Question 2

Which type of retractor system uses a fixed frame attached to the operating table to maintain exposure without requiring human assistance?

Accepted Answer

Bookwalter retractor system

Answer

Handheld Richardson retractor

Answer

Weitlaner self-retaining retractor

Answer

Army-Navy retractor

Question 3

What is the primary safety concern specific to using an argon beam coagulator (ABC)?

Accepted Answer

Argon gas insufflation into the body cavity can cause gas embolism or pneumothorax if the cavity is closed

Answer

Argon gas is flammable

Answer

It cannot coagulate liver surfaces

Answer

It requires a water-cooled handpiece

Question 4

A powered stapling device fires but the staple line is incomplete. What is the most likely cause?

Accepted Answer

Tissue thickness exceeded the staple cartridge's range, or the cartridge was not fully seated

Answer

The tissue was too thin

Answer

The stapler was fired too slowly

Answer

The battery was too new

Question 5

When using intraoperative ultrasound, the surgical first assistant should cover the sterile ultrasound probe with:

Accepted Answer

A sterile ultrasound probe cover/sheath specifically designed for intraoperative use

Answer

A standard OR towel secured with a rubber band

Answer

An unsterile drape from the back table

Answer

Nothing — probes are inherently sterile

Question 6

Which parameter does pulse oximetry measure, and what is its primary intraoperative limitation?

Accepted Answer

It measures peripheral oxygen saturation (SpO2) via light absorption; it is unreliable with poor peripheral perfusion or motion artifact

Answer

It measures PaO2 directly; limited by arterial line placement

Answer

It measures hemoglobin concentration; limited by blood type

Answer

It measures end-tidal CO2; limited by ET tube placement