A subarachnoid hemorrhage occurs

a. between the arachnoid and the pia

b. between the arachnoid and the dura

c. deep within brain tissue

d. none of the above

The correct answer is between the arachnoid and the pia. Thus option 'a' is correct.

Explanation:

Subarachnoid hemorrhage is the bleeding in the brain more precisely in the subarachnoid space-the space between the arachnoid and the pia matter surrounding the brain.

The layers that surround the brain termed as meninges of the brain of the brain include:

1) Dura matter the outermost layer close to the skull.

2) Arachnoid matter.

3) Pia matter, the innermost layer that is in contact with the brain.

A subarachnoid hemorrhage can occur due to many causes such as an accident, ruptured aneurysm, e. t. c. It is a life threatening condition and is accompanied with stroke.