Question

1) What cranial nerves are easily seen on the inferior side of the brain ?

2) This meninx clings to the surface of the brain like cling wrap and is supplies with blood vessels.

a) Pia matter

b) Dura matter

c) none of these

Answer 1

Q1. Cranial nerves are the set of 12 nerves that are arises from the brain. The 2 nerves such as olfactory and optic are arising from the cerebellum and rest are arises from the inferior part of the brain that is brain set which majorly cover inferior part of the brain.

Cranial nerves from the III to XII are visible from the inferior part of the brain. Such as

- Trigeminal

- Vagus

- Oculomotor

- Glossopharyngeal

- Trochlear

- Hypoglossal

- Abducent

- Vestibulocochlear

- Intermediate

- Accessory

Q2. The meninges are the membrane covering the brain and spinal cord. It consist of 3 layers

1. Dura mater

2. Pia mater

3. Arachnoid mater.

Dura mater is the outermost and toughest membrane among of 3 membrane, surrounds the brain and consist of 2 connective tissue.

Arachnoid mater is the delicate, impermeable and avascular membrane covering the brain and present between pia mater and dura mater, it is spidery and hold blood vessels.

Pia mater is the innermost meninges, It is composed of delicate connective tissue and richly invested with tiny blood vessels. It is the only membrane the tightly clings the brain like a plastic wrap and blood vessels is pass through it and nourish to brain.

Hence option (a), pia mater is correct. It define well the questions concept.

FOR ANY DOUBT POST A QUESTION, IT WILL BE HIGHLY APPRECAITED..