1. Which is not true of glial cells?
a) Neuron support cells
b) Retain ability to divide in adults
c) Are not able to divide in adults
d) Develop from glioblasts
Explanation: Glial cells are also called neuroglial cells. Glial cells surround neurons and provide support and insulation between them.
2. How many laminae are present in the grey matter of spinal cord?
a) 8
b) 9
c) 7
d) 10
Explanation: Grey matter is a major comment of the central nervous system. It consists of neuronal cell bodies, neurophil, glial cells, synapses and capillaries.
3. The brain and spinal cord together make up ________
a) CNS
b) ANS
c) PNS
d) Reflux actions
Explanation: Central nervous system consists of the brain and spinal cord. It integrates information it receives from and coordinates and influences the activity of all parts of the body.
4. _______ is protected by bony vertebrate, adipose tissue, and spinal meninges and cerebrospinal.
a) Spinal reflexes
b) Central canal
c) Spinal cord
d) Epidural space
Explanation: Spinal cord is a long thin tubular bundle of nervous tissue and support cells that extends from medulla oblongata in the brain. It is made up of 31 segments
5. ________ layer of meninges that is thin and contains many blood vessels and nerves.
a) Ependymal
b) Dura mater
c) Monosynaptic
d) Pia mater
Explanation: Pia mater is the innermost layer of meninges and attaches directly to the brain and spinal cord. It is a delicate layer.
6. ________ connects right and left sides of the spinal cord.
a) Cerebrospinal fluid barrier
b) Spinal nerves
c) Gray commissure
d) Subarachnoid space
Explanation: Gray commissure is a thin strip of grey matter that surrounds the central canal of the spinal cord along with the anterior white commissure, connects the two halves of the cord.
7. Membranes that lie between bone and soft tissue ____________
a) Ascending
b) Descending
c) Reflexes
d) Meninges
Explanation: Meninges are three layers are protective tissue that surrounds the neuraxis. The three layers are dura mater, arachnoid mater and pia mater
8. Which part of the human brain has a center for controlling breathing?
a) Cerebrum
b) Cerebellum
c) Diencephalon
d) Medulla oblongata
Explanation: Medulla oblongata is cone-shaped neuronal mass responsible for autonomic functions. This part of brain is centre for respiration and circulation.
9. Which part of the brain controls intellectual ability?
a) Frontal lobe
b) Parietal lobe
c) Temporal lobe
d) Occipital lobe
Explanation: Frontal lobe controls important cognitive skills such as emotional expression, problem solving, memory, language etc. it is the most common place for brain injury to occur.
10. Which part of the brain is concerned with the muscular movement?
a) Cerebellum
b) Thalamus
c) Temporal lobe of cerebrum
d) Occipital lobe
Explanation: Cerebellum is located behind the top part of the brain stem. it is made of two hemispheres. It coordinates and regulates muscular activity.