NBSTSA Surgical Instrumentation & Equipment 2

Question 1

Which suture material is absorbable and derived from sheep intestinal submucosa?

Accepted Answer

Plain catgut

Answer

Plain catgut is a natural absorbable suture derived from sheep intestinal submucosa; it is absorbed by enzymatic proteolysis in 10–14 days.

Question 2

A needle holder differs from a hemostat primarily because the needle holder has:

Accepted Answer

Crosshatched or diamond-pattern jaws to grip needles without spinning

Answer

Needle holders have specially textured (crosshatched or tungsten carbide-inlaid) jaws to securely grip suture needles and prevent rotation during suturing.

Question 3

The Jackson-Pratt (JP) drain operates on which principle?

Accepted Answer

Negative pressure (closed suction) drainage

Answer

The Jackson-Pratt drain uses a collapsible bulb reservoir that creates gentle negative pressure (closed suction) to continuously drain wound secretions.

Question 4

During laparoscopic surgery, the standard insufflation gas used to create the pneumoperitoneum is:

Accepted Answer

Carbon dioxide (CO2)

Answer

Carbon dioxide is used for laparoscopic insufflation because it is non-flammable, rapidly absorbed, and does not support combustion from electrosurgical sparks.

Question 5

Which retractor is most commonly used to retract the liver during upper abdominal procedures such as cholecystectomy?

Accepted Answer

Deaver retractor

Answer

The Deaver retractor has a long, curved blade designed to retract deep abdominal organs such as the liver and is commonly used in upper abdominal procedures.

NBSTSA - National Board of Surgical Technology and Surgical Assisting Practice Test

NBSTSA - National Board of Surgical Technology and Surgical Assisting Practice Test

NBSTSA Surgical Instrumentation & Equipment 2