NBSTSA Surgical Instrumentation and Equipment 2

Question 1

Electrosurgical units (ESU) use which principle to cut and coagulate tissue?

Accepted Answer

High-frequency alternating current to generate heat in tissue

Answer

Direct current to stimulate muscle contraction

Answer

Laser energy converted to electrical impulses

Answer

Low-voltage DC applied through bipolar forceps only

Question 2

What is the correct placement of the dispersive electrode (patient return electrode) during monopolar electrosurgery?

Accepted Answer

On a well-vascularized, fleshy muscle mass away from implants and ECG leads

Answer

Over a bony prominence closest to the surgical site

Answer

Anywhere on the patient's back for convenience

Answer

Directly under the operative site to minimize current travel distance

Question 3

A powered surgical drill used in orthopedic surgery must be inspected before use for which of the following?

Accepted Answer

Battery charge, chuck integrity, and sterility of the handpiece and attachments

Answer

Only the battery charge level

Answer

The brand name to confirm compatibility with the surgeon's preference

Answer

Color-coding of the attachment to match the surgical set

Question 4

Which suction device is preferred for removing blood and fluid from a deep abdominal cavity?

Accepted Answer

Poole suction tip

Answer

Frazier suction tip

Answer

Yankauer suction tip

Answer

Baron suction tip

Question 5

Metzenbaum scissors are most appropriately used for which of the following?

Accepted Answer

Delicate tissue dissection and cutting fine sutures

Answer

Cutting heavy fascia and sutures

Answer

Trimming bone during orthopedic procedures

Answer

Cutting staple lines in bowel anastomosis

Question 6

A Penrose drain is classified as which type of wound drain?

Accepted Answer

Passive open drain

Answer

Active closed-suction drain

Answer

Trocar-placed closed drain

Answer

Sump drain with double lumen

Question 7

When handing a scalpel to the surgeon using the neutral zone (hands-free) technique, the scrub tech should:

Accepted Answer

Place the scalpel in a designated neutral zone container or basin for the surgeon to retrieve

Answer

Hand the scalpel directly handle-first to the surgeon's dominant hand

Answer

Pass the scalpel blade-first to improve grip during transfer

Answer

Announce the pass verbally and hand it directly to avoid delay