CBET Surgical Equipment Technology 3

Question 1

What is the function of an anesthesia workstation's gas delivery system and how does it ensure patient safety?

Accepted Answer

It precisely mixes and delivers gases with safety systems including oxygen ratio monitoring and agent identification

Answer

It only delivers oxygen

Answer

It monitors brain activity

Answer

It controls room ventilation

Question 2

How does a harmonic (ultrasonic) surgical device differ from traditional electrosurgery?

Accepted Answer

It uses mechanical vibration at 55,500 Hz to cut and coagulate with lower temperature and less thermal damage

Answer

It uses heat from an external source

Answer

It uses high-pressure water

Answer

Same mechanism at lower power

Question 3

What is an autoclave (steam sterilizer) and what parameters must be monitored?

Accepted Answer

A pressure vessel using saturated steam under pressure at specific temperature, pressure, and time, monitored by physical, chemical, and biological indicators

Answer

A UV light sterilizer

Answer

A chemical soaking bath

Answer

A dry heat oven

Question 4

What is the purpose of a sequential compression device (SCD) and what does a biomedical technician verify?

Accepted Answer

Applies intermittent pneumatic compression to legs to prevent deep vein thrombosis

Answer

Compresses surgical instruments

Answer

Compresses IV fluid bags

Answer

Provides chest compressions during CPR

Question 5

What is patient-controlled analgesia (PCA) and what safety features must a PCA pump include?

Accepted Answer

A programmable pump allowing patients to self-administer analgesic doses with built-in safety limits

Answer

Nurses manually administer medication on a fixed schedule

Answer

A topical pain relief patch

Answer

An oral medication taken as needed

Question 6

What is the purpose of a nerve stimulator used during surgery and what parameters must be calibrated?

Accepted Answer

To locate peripheral nerves by delivering controlled electrical stimuli and observing motor response

Answer

To stimulate muscle growth

Answer

To measure nerve conduction velocity

Answer

To provide pain relief