Nervous System

Question 1

What is ganglia?

Answer 1

Ganglia are the aggregates of cytons or cell bodies of nerve cells from which the nerve fibres may arise or enter into.

Question 2

What is the singular form of ganglia?

Answer 2

Ganglion

Question 3

Name the two major divisions of the nervous system.

Answer 3

1.central nervous system(CNS)
2.peripheral nervous system(PNS)

Question 4

_________________ Includes brain and spinal cord

Answer 4

Central nervous system(CNS)

Question 5

_________________ include nerves that emerge from and enter into brain and spinal cord

Answer 5

Peripheral nervous system(PNS)

Question 6

What are the two main subdivisions of PNS?

Answer 6

1.somatic nervous system
2.automatic nervous system

Question 7

The brain is a very ______________ organ

Answer 7

Delicate

Question 8

The brain is well protected inside the ___________ or____________ of the skull

Answer 8

Brainbox,cranium

Question 9

What is the weight of the adult brain?

Answer 9

About 1.35kg

Question 10

The brain is protected by a covering called______________

Answer 10

Meninges

Question 11

What are the three coverings of the brain?

Answer 11

1.Dura mater
2.Arachnoid
3. Pia mater

Question 12

____________is the inflammation of the meninges

Answer 12

Meningitis

Question 13

The space between the covering membranes is called___________

Answer 13

Cerebrospinal fluid

Question 14

________fluid acts like a cushion to potect the brain from shocks

Answer 14

Cerebrospinal fluid

Question 15

What are three main parts of the brain?

Answer 15

1.cerebrum
2.cerebellum
3.medulla oblongata

Question 16

Which part of the brain is the largest portion?

Answer 16

Cerebrum.

Question 17

Cerbebrum is divided into tow halves called______________

Answer 17

Cerebral hemispheres

Question 18

What is the outer portion of cerebrum?

Answer 18

Cortex

Question 19

What is the inner portion of cerebrum?

Answer 19

Medulla

Question 20

the higher number of convolutions in human brain is due to ________________

Answer 20

Large number of brain cells

Question 21

The inner portion of cerebrum consists of ____________matter

Answer 21

White

Question 22

______________is a sheet of fibres connecting the two cerebral hemispheres.

Answer 22

Corpus callosum

Question 23

The ____________ is the seat of intelligence consciousness and will power.

Answer 23

Cerebrum

Question 24

______________ controls all voluntary actions

Answer 24

Cerebrum

Question 25

Subconscious or unconscious mind is located in the ___________

Answer 25

Cerebrum.

Question 26

What is the main function of the cerebellum?

Answer 26

1.maintain 'balance' of the body 2.coordinate muscular activity

Question 27

What is the smaller area of brain?

Answer 27

Cerebellum

Question 28

What is the location of cerebellum?

Answer 28

Cerebellum is located just at the base and under the large cerebrum

Question 29

What is the lowest part of brain?

Answer 29

Medulla oblongata

Question 30

What is function of medulla oblongata?

Answer 30

It controls the activities of internal organ

Question 31

What are the three primary regions of the brain?

Answer 31

1.Forebrain 2.midbrain 3.hindbrain

Question 32

What are the principles of forebrain?

Answer 32

1.cerebrum 2.diencephalon

Question 33

Where is midbrain located?

Answer 33

Below corpus callosum

Question 34

Midbrain connect ________and ________

Answer 34

Brain and spinal cord

Question 35

____________coordinate muscular activity

Answer 35

Cerebellum

Question 36

Where is pons located?

Answer 36

Location- centre of brain below the cerebellum

Question 37

_______carry impulse from one hemisphere of cerebellum to other hemisphere and coordinate muscular movement on both sides of body.

Answer 37

Pons

Question 38

__________controls activites of internal organ,heart beat,breathing,etc.).

Question 39

Spinal cord is covered with _______,______and________

Answer 39

Duramater,arachnoid and pia mater

Question 40

What is the function of spinal cord?

Answer 40

1.reflexes below the neck. 2.conducts sensory impulses from the skin and muscles to the brain. 3.conducts motor responses from the brain to muscles of the trunk and limbs.

Question 41

What is the full form of PNS?

Answer 41

PNS- Peripheral nervous system

Question 42

Name two types of PNS.

Answer 42

1. Somatic nervous system 2.automatic nervous system

Question 43

Somatic nervous system consists of two sets of nerves what are they?

Answer 43

1.Cranial nerves 2.spinal nerves

Question 44

What is the function of hypothalamus?

Answer 44

Controls the body temperature and pituitary.

Question 45

Which part of brain controls all the involuntary actions

Answer 45

Medulla oblongata