brain

Question 1

trepanantion/burr holes

Answer 1

making holes through the skull ususally for decompression to remove the pressure as the brain begins to swell,
can be due to hematomas

Question 2

types of hematomas in brain

Answer 2

sudural :under the dura

extradural” above the dura

Question 3

layers of scalp

Answer 3

skull
connective tissue (hard)
aponeurosis 
loose connective tissue 
pericranium