CST Instruments & Equipment Management 3

Question 1

Which electrosurgical mode cuts tissue by passing current through a small area to rapidly heat and vaporize cells?

Accepted Answer

Cut mode

Answer

The cut mode delivers a continuous current that rapidly vaporizes cells through intense localized heat.

Question 2

What is the correct way to pass a sharp instrument to the surgeon?

Accepted Answer

Place it handle-first into the surgeon's palm

Answer

Sharp instruments are passed handle-first so the surgeon's hand closes around the handle, not the sharp blade.

Question 3

Which instrument is used to dilate the urethra or cervix during gynecological procedures?

Accepted Answer

Hank dilator

Answer

Hank (and Hegar) dilators are graduated metal rods used to progressively dilate the cervical os or urethra.

Question 4

The Hasson technique for laparoscopic access differs from the Veress needle technique because it:

Accepted Answer

Uses a larger trocar with a blunt obturator under direct vision

Answer

The Hasson (open) technique uses a small skin incision and blunt trocar insertion under direct visualization, avoiding blind needle entry.

Question 5

Which instrument measures the depth of a body cavity, such as the uterine cavity?

Accepted Answer

Uterine sound

Answer

A uterine sound is a long, graduated probe inserted to measure the depth and direction of the uterine cavity.

(CST) Certified Surgery Technician Practice Test