CRNFA Surgical Instrumentation and Equipment

Question 1

Which type of needle holder is most appropriate when suturing delicate cardiovascular tissue?

Accepted Answer

Castroviejo needle holder

Answer

The Castroviejo needle holder is a fine, spring-loaded instrument designed for delicate cardiovascular and ophthalmic suturing.

Question 2

The CRNFA identifies a Metzenbaum scissors on the instrument table. Its PRIMARY use is for:

Accepted Answer

Dissecting delicate tissue

Answer

Metzenbaum scissors have long, slender blades designed for dissecting and cutting delicate tissue, not for cutting suture.

Question 3

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

Accepted Answer

Self-retaining retractor

Answer

The Bookwalter is a self-retaining retractor system that attaches to the OR table and holds tissue without requiring manual assistance.

Question 4

When using a monopolar electrosurgical unit (ESU), the dispersive electrode (grounding pad) should be placed:

Accepted Answer

Over a large muscle mass with good vascularity, as close to the site as practical

Answer

The dispersive electrode must be placed over a large, well-vascularized muscle mass near the operative site to ensure complete current return and prevent burns.

Question 5

Which instrument is specifically designed to clamp the cystic duct during laparoscopic cholecystectomy?

Accepted Answer

Both A and B are correct

Answer

Both Hem-o-lok clip appliers and Ligaclip appliers are used laparoscopically to occlude the cystic duct and cystic artery during cholecystectomy.

CRNFA - Certified Registered Nurse First Assistant Practice Test

CRNFA - Certified Registered Nurse First Assistant Practice Test

CRNFA Surgical Instrumentation and Equipment