CENTRAL NERVOUS SYSTEM

Question 1

– is the unit structure of the Nervous system and consists of a cell body

Answer 1

Neuron or Nerve Cell

Question 2

– which carry nerve impulses towards the cell body.

Answer 2

Dendrite

Question 3

– which carry impulses away from the cell body.

Answer 3

Axon

Question 4

• is a nerve cell that conducts impulses towards or into the spinal cord to the brain. These impulses maybe sensations of heat, cold, touch, pressure, pain, or from the special sense organs; eyes – sight, ear- hearing, nose- smell or mouth – taste.

Answer 4

Sensory Neuron or Afferent Neuron

Question 5

– carries impulses from the brain down to the spinal cord, or from the cord to muscles or secreting glands.

Answer 5

Motor Neuron or Efferent Neuron

Question 6

– is the point of contact of Dendron of one Neuron with the Axon of another Neuron.

Answer 6

Synapse

Question 7

– is a structure at the outer end of an axon or Dendron.

Answer 7

End Organ

Question 8

– is a complete circuit consisting of a sensory neuron, a connecting neuron and a motor neuron.

Answer 8

Reflex Arc

Question 9

– A sensory neuron carries nerve impulses of pain or other sensation to the spinal cord.

Answer 9

Reflex Act

Question 10

– is a group of cell bodies outside of the brain or spinal cord.

Answer 10

Ganglion

Question 11

– is a group of nerve cell bodies inside of the brain or spinal cord.

Answer 11

Nucleus

Question 12

– is a group of nerve cells concerned with some specific function.

Answer 12

Center

Question 13

– a network of cell processes.

Answer 13

Plexus

Question 14

The Entire Brain is enclosed by the Visceral Cranium which is consists of

Answer 14

Cerebrum or Forebrain
Midbrain
Hindbrain

Question 15

Is a continuation of the brain stem and is contained within the spinal canal of the vertebrae.

Answer 15

The Spinal cord