CBET Surgical Equipment Technology 4

Question 1

A surgical laser system shows reduced beam power output despite the laser being fully charged. What is the most likely cause?

Accepted Answer

Damaged fiber optic delivery cable

Answer

Incorrect voltage supply

Answer

Depleted cooling water reservoir

Answer

Faulty footswitch

Question 2

Which grounding method is used in electrosurgical units to prevent alternate-site burns?

Accepted Answer

Isolated patient return electrode monitoring

Answer

Single-plate dispersive electrode

Answer

Bipolar return through table ground

Answer

Capacitive coupling to OR table

Question 3

During a robotic-assisted surgery, a robotic arm instrument fails to respond to surgeon commands. The FIRST step a BMET should take is:

Accepted Answer

Check the instrument-arm communication cable connections

Answer

Reboot the entire robotic console

Answer

Replace the robotic arm assembly

Answer

Notify the surgeon to switch to manual technique

Question 4

What is the purpose of the smoke evacuator in a surgical laser procedure?

Accepted Answer

Remove laser plume containing viable cellular material and toxic byproducts

Answer

Cool the laser handpiece during use

Answer

Filter ambient OR air for sterility

Answer

Prevent laser beam scatter

Question 5

A C-arm fluoroscopy unit drifts out of position during a procedure. Which component is most likely responsible?

Accepted Answer

Brake or locking mechanism on the C-arm carriage

Answer

X-ray tube filament

Answer

Image intensifier phosphor layer

Answer

Collimator shutter

Question 6

Which sterilization method is CONTRAINDICATED for sterilizing powered surgical instruments with sealed electronics?

Accepted Answer

Steam autoclave at 134°C

Answer

Ethylene oxide (EtO)

Answer

Hydrogen peroxide gas plasma

Answer

Low-temperature vaporized hydrogen peroxide

Question 7

What does the term 'blended mode' refer to in electrosurgical unit operation?

Accepted Answer

A combination of cut and coagulation waveforms that provides simultaneous cutting and hemostasis

Answer

Using both monopolar and bipolar modes simultaneously

Answer

Alternating between two different frequency settings

Answer

Mixing saline with the electrosurgical current