CRCST Surgical Instrumentation

Question 1

What is the primary function of a hemostat in surgery?

Accepted Answer

To clamp blood vessels and control bleeding

Answer

To retract tissue away from the operative field

Answer

To cut sutures at the end of a procedure

Answer

To hold tissue edges together during closure

Question 2

Which scissors are heavier and primarily used for cutting tough tissue such as fascia?

Accepted Answer

Mayo scissors

Answer

Metzenbaum scissors

Answer

Iris scissors

Answer

Tenotomy scissors

Question 3

What is the distinguishing feature of a self-retaining retractor compared to a hand-held retractor?

Accepted Answer

It maintains tissue retraction without requiring manual support

Answer

It is used only by the surgeon, not the assistant

Answer

It can only retract superficial tissue layers

Answer

It is designed exclusively for laparoscopic procedures

Question 4

The term 'atraumatic' when describing surgical forceps means the instrument is designed to:

Accepted Answer

Grip tissue without causing damage or puncture wounds

Answer

Withstand trauma during sterilization

Answer

Handle only traumatized or necrotic tissue

Answer

Resist staining from blood and body fluids

Question 5

What is the purpose of the ratchet mechanism on locking clamps such as hemostats?

Accepted Answer

To lock the clamp at varying degrees of closure without manual effort

Answer

To provide better ergonomic grip for the surgeon's fingers

Answer

To indicate the instrument has passed sterilization verification

Answer

To attach the instrument securely to the sterile field drape

Question 6

The 'box lock' on a hinged surgical instrument refers to:

Accepted Answer

The pivot point where the two shanks of a hinged instrument intersect

Answer

The protective storage case for a delicate instrument set

Answer

The ratchet teeth that lock the instrument closed

Answer

The finger ring handles used to operate the instrument

Question 7

Which of the following instruments features ring handles that allow the user to insert fingers for control?

Accepted Answer

Hemostat

Answer

Malleable retractor

Answer

Elevator

Answer

Tissue probe