Which instrument is used to strip and separate the galea and pericranium from the skull before placement of burr holes?
a. 11 scalpel blade
b. 1 Penfield dissector
c. Gigli saw malleable guide
d. Langenbeck periosteal elevator
Question 2
When incising the cranium between burr holes, what attachment to the powered craniotome is necessary to prevent injury of underlying tissues?
a. 3 Penfield dissector
b. dural guard with footplate
c. smoke evacuator
d. wire-pass drill bit