Final answer:
The instrument most commonly used to grasp the appendix during an appendectomy is the Babcock forceps. These forceps have a smooth, atraumatic surface and allow for a secure grip without causing damage to the surrounding tissues.
Step-by-step explanation:
The instrument most commonly used to grasp the appendix during an appendectomy is the Babcock forceps. These forceps have a smooth, atraumatic surface and are commonly used to handle delicate tissues such as the appendix. They allow for a secure grip without causing damage or trauma to the surrounding tissues.