CSFA CSFA Hemostasis and Wound Closure 2

Question 1

Gelatin sponge (Gelfoam) achieves hemostasis primarily by which mechanism?

Accepted Answer

Providing a scaffold for platelet aggregation and clot formation

Answer

Releasing vasoconstrictors into tissue

Answer

Directly lysing red blood cells

Answer

Activating the extrinsic coagulation pathway chemically

Question 2

Which layer of the abdominal wall is closed with a running or interrupted suture using a heavy delayed-absorbable or permanent suture for fascial strength?

Accepted Answer

Anterior rectus fascia / aponeurosis

Answer

Subcutaneous fat (Camper's fascia)

Answer

Skin

Answer

Peritoneum

Question 3

When using bipolar electrosurgery, what is the key advantage over monopolar electrosurgery?

Accepted Answer

Current travels only between the two bipolar forceps tips, limiting tissue spread

Answer

Higher temperatures are reached

Answer

It can cut tissue as well as coagulate

Answer

A grounding pad is still required

Question 4

What is the correct needle holder technique when driving a curved needle through tissue?

Accepted Answer

Follow the arc of the needle's curvature with a pronating wrist motion

Answer

Push the needle in a straight line

Answer

Use pliers-grip with maximum force

Answer

Drive the needle heel-first

Question 5

Which absorbable suture retains tensile strength the longest, making it suitable for slow-healing tissues like fascia?

Accepted Answer

Polydioxanone / PDS (4–6 weeks)

Answer

Plain catgut (7–10 days)

Answer

Chromic catgut (10–14 days)

Answer

Polyglactin 910 / Vicryl (2–3 weeks)

Question 6

Intraoperatively, the surgical first assistant notes persistent oozing from a parenchymal liver surface. Which topical hemostatic agent is most appropriate?

Accepted Answer

Oxidized regenerated cellulose (Surgicel)

Answer

Bone wax

Answer

Vasoconstrictor soaked gauze

Answer

Silver nitrate stick