CSFA CSFA Hemostasis and Wound Closure

Question 1

Which electrosurgical mode uses a continuous waveform to cut tissue by rapidly heating cells until they vaporize?

Accepted Answer

Cut mode

Answer

Coagulation mode

Answer

Blend mode

Answer

Bipolar mode

Question 2

What is the primary purpose of using a pledget in cardiac surgery?

Accepted Answer

To reinforce sutures in fragile tissue

Answer

To mark suture lines

Answer

To absorb excess irrigation fluid

Answer

To identify vessels for ligation

Question 3

Topical thrombin works by converting which clotting factor to its active form?

Accepted Answer

Fibrinogen

Answer

Factor VII

Answer

Factor X

Answer

Factor V

Question 4

Which suture material is the first choice for closing a contaminated abdominal wound due to its resistance to infection?

Accepted Answer

Polypropylene (Prolene)

Answer

Silk

Answer

Chromic catgut

Answer

Polyglactin 910 (Vicryl)

Question 5

A bone wax is used intraoperatively primarily to achieve hemostasis in which structure?

Accepted Answer

Cut bone surfaces

Answer

Arterial bleeding points

Answer

Venous sinuses in soft tissue

Answer

Liver lacerations

Question 6

What distinguishes a figure-of-eight suture from a simple interrupted suture?

Accepted Answer

It passes through tissue twice in a crossing pattern, distributing tension over a wider area

Answer

It is placed subcutaneously only

Answer

It uses absorbable material exclusively

Answer

It is tied before placement