CRNFA Surgical Instrumentation and Equipment 3

Question 1

A DeBakey tissue forceps is preferred over Adson tissue forceps when handling which type of tissue?

Accepted Answer

Delicate vascular or bowel tissue

Answer

Skin edges during closure

Answer

Dense fibrous fascia

Answer

Subcutaneous adipose tissue

Question 2

The CRNFA is using an argon beam coagulator (ABC). A key safety precaution specific to this device is:

Accepted Answer

Maintaining low gas flow to prevent pneumoperitoneum in laparoscopy

Answer

Ensuring the patient's dispersive electrode is removed before activation

Answer

Never using it near the bowel

Answer

Soaking the tip in saline before use

Question 3

Which classification system is used to categorize surgical instruments based on their degree of contact with sterile body tissues?

Accepted Answer

CDC Spaulding classification

Answer

AAMI sterilization tiers

Answer

FDA device classification (Class I–III)

Answer

WHO decontamination guidelines

Question 4

A Balfour retractor with a center blade is most commonly used during which type of procedure?

Accepted Answer

Abdominal/pelvic surgery

Answer

Craniotomy

Answer

Thoracotomy

Answer

Orthopedic joint replacement

Question 5

The CRNFA selects a TA (thoracoabdominal) stapler. Which statement BEST describes its function?

Accepted Answer

It places one or two rows of staples without dividing the tissue

Answer

It places staples and simultaneously divides tissue between two staple lines

Answer

It creates a circular anastomosis end-to-end

Answer

It clips individual vessels one at a time

Question 6

During a laparoscopic procedure, the CRNFA notices the laparoscope image is foggy. The MOST appropriate initial action is to:

Accepted Answer

Clean the laparoscope lens with a warm, moist sponge or anti-fog solution

Answer

Increase the light source intensity to maximum

Answer

Replace the entire laparoscope immediately

Answer

Reduce insufflation pressure to improve visualization

Question 7

Which of the following best describes the principle of 'gravity displacement' (downward displacement) steam sterilization?

Accepted Answer

Steam enters from above, pushing air downward and out through the drain

Answer

Steam enters from below, displacing air upward and out through the drain

Answer

A vacuum removes air before steam enters the chamber

Answer

Steam and ethylene oxide are used simultaneously to displace air