CSFA CSFA Surgical Equipment and Technology

Question 1

Before activating a pneumatic tourniquet, the surgical first assistant should confirm which critical parameter has been set correctly?

Accepted Answer

Inflation pressure appropriate for the patient's systolic blood pressure and limb occlusion pressure

Answer

Patient's blood type

Answer

Room temperature

Answer

Anesthesia machine settings

Question 2

Which laparoscopic energy device uses ultrasonic vibration to simultaneously cut and coagulate tissue?

Accepted Answer

Harmonic scalpel (ultrasonic dissector)

Answer

Monopolar hook electrode

Answer

Bipolar LigaSure

Answer

CO2 laser

Question 3

What is the maximum recommended safe intra-abdominal insufflation pressure during routine laparoscopic surgery in adults?

Accepted Answer

15 mmHg

Answer

5–8 mmHg

Answer

10–12 mmHg

Answer

20–25 mmHg

Question 4

A surgical robot's 'EndoWrist' instruments are designed to provide what advantage over straight laparoscopic instruments?

Accepted Answer

Seven degrees of freedom with 360° articulation, mimicking open surgical hand movement

Answer

Faster instrument exchanges

Answer

Elimination of the need for a sterile field

Answer

Automatic suturing without surgeon input

Question 5

Which gas is most commonly used for laparoscopic insufflation, and why?

Accepted Answer

Carbon dioxide — rapidly absorbed, non-combustible, and inexpensive

Answer

Oxygen — because it supports combustion and is inert

Answer

Nitrous oxide — cheapest available gas

Answer

Nitrogen — provides the longest working time

Question 6

What action should the surgical first assistant take when a smoke evacuator is not functioning during electrosurgical use?

Accepted Answer

Pause electrosurgery and notify the team to address the evacuator before continuing, to protect all personnel from surgical plume

Answer

Continue using electrosurgery; smoke is not a hazard

Answer

Increase the electrosurgical unit power setting

Answer

Replace the grounding pad