NBSTSA Surgical Instrumentation & Equipment

Question 1

Which type of scissors are used to cut suture material rather than tissue?

Accepted Answer

Mayo scissors

Answer

Metzenbaum scissors

Answer

Iris scissors

Answer

Potts scissors

Question 2

A Bookwalter retractor system is best classified as which type of retractor?

Accepted Answer

Self-retaining retractor

Answer

Hand-held retractor

Answer

Vein retractor

Answer

Skin hook retractor

Question 3

What is the proper method for counting instruments during a surgical procedure according to AORN guidelines?

Accepted Answer

Perform initial count before surgery, then count at closure of each body cavity and final skin closure

Answer

Count once at the end of the procedure only

Answer

Count only when the surgeon requests a count

Answer

Count only instruments added to the sterile field during the case

Question 4

The Penrose drain is correctly described as a:

Accepted Answer

Passive soft rubber tube drain

Answer

Closed suction drain

Answer

Rigid chest drain

Answer

T-tube biliary drain

Question 5

What does the term 'cutting' refer to in the context of electrosurgical units (ESU)?

Accepted Answer

A continuous low-voltage, high-frequency current that rapidly heats cells to vaporize them

Answer

A high-voltage, low-frequency current that chars tissue

Answer

A blended current that coagulates and cuts simultaneously

Answer

A bipolar current that seals small vessels

Question 6

Which instrument is specifically designed for grasping and manipulating the appendix during appendectomy?

Accepted Answer

Babcock clamp

Answer

Kocher clamp

Answer

Allis clamp

Answer

Sponge stick (ring forceps)