Nervous system

Question 1

Blood supply to the brain

Answer 1

• got 2 arterial systems
• internal carotid artery for anterior
• vertebral artery for posterior
• internal carotid artery from common carotid arteries to carotid canal
• vertebral artery from subclavian arteries then travel through foramina in the transverse process of the cervical vertebrae then enter the skull through the foramen magnum and merge to form basilar artery

Question 2

Lobes and sulci of the brain

Answer 2

• 4 lobes: frontal, temporal, occipital, parietal
• 3 sulci: central, lateral central sulcus, parieto-occipital,

Question 3

Functions of the cerebrum

Question 4

Main sensory and motor areas of the cerebrum

Question 5

Function of basal nuclei, thalamus and hypothalamus

Question 6

Structure and functions of the cerebellum

Question 7

Gross structure of the spinal cord

Question 8

Function of the sensory nerve tracts in the spinal cord

Question 9

Functions of the motor nerve tracts in the spinal cord

Question 10

Functions of nerve plexus

Question 11

Spinal nerves entering each plexus

Question 12

Functions of the 12 cranial nerves