Scalpel Blade Compatibility with Knife Handles

Which of the following blades will fit a #4 knife handle?

A) #10 blade

B) #11 blade

C) #15 blade

D) #20 blade

Final answer:

A #4 knife handle typically fits larger surgical blades such as the #20 blade. Therefore, from the given options, the #20 blade will fit a #4 knife handle in medical procedures.

Explanation:

In medical procedures, scalpel blades and handles are paired by numbers. A #4 knife handle is compatible with larger surgical blades. These include the #20 blade, among others. Therefore, out of the options given - #10 blade, #11 blade, #15 blade, and #20 blade - the correct blade for a #4 knife handle is the #20 blade.