Neural Control N Coordination

Question 1

Other name of afferent fibre

Answer 1

Sensory nerve fiber

Question 2

Other name of efferent fibre

Answer 2

Motor nerve fibre

Question 3

In which neural sys is more simple

Answer 3

Lower invertebrates

Question 4

Hydra nerve system

Answer 4

Network of neurons

Question 5

Better arrangement of neurons in

Answer 5

Insects

Question 6

Devloped nerve system

Answer 6

Vertebrates

Question 7

Human nerve system is divided into

Answer 7

Cns n pns

Question 8

What does cns have

Answer 8

Brain n spinal cord

Question 9

Cns is the site of

Answer 9

Info process and control

Question 10

Pns function

Answer 10

Transmission

Question 11

Pns consitutes of

Answer 11

Afferent n efferent fibres
Visceral nervous system

Question 12

Origin of fibres of pns

Answer 12

Afferent - organs/ tissues to cns
Efferent - cns to organs / tissues peripheral

Question 13

Pns is divided into

Answer 13

Somatic and autonomic nervous sys

Question 14

Function of somatic

Answer 14

Relay impulses from cns to skeletal muscles / voluntary

Question 15

Autonomic function

Answer 15

Cns to involuntary organs n smooth muscles

Question 17

Autonomic is further divided into

Answer 17

Sympathetic and parasympathetic systems

Question 19

Visceral nervous system functions

Answer 19

Has nerves fibres ganglia and plexsus . From cns to visceral and back

Question 20

Neuron parts

Answer 20

Microscopic , axon dendrite and cell body

Question 21

Cell body has

Answer 21

Cytoplasm cell organells and nissils granules

Question 22

Does dendriteshave nissils granules

Answer 22

Yes

Question 23

Each branch of acon terminates into a

Answer 23

Synaptic knob

Question 24

Synaptic knob has

Answer 24

Neurotransmitters

Question 25

Denrites transmit info towards ______ and axons transmit away from _____

Answer 25

Dendrites , dendrites

Question 26

Based on wt doe we have classification of neurons

Answer 26

Number of axons and dendrites

Question 27

Multipolar r found in

Answer 27

Cerebral cortex

Question 28

Bipolar is found in

Answer 28

Retina of eye

Question 29

Unipolar is found in

Answer 29

Embryonic stage

Question 30

Two types of axons r

Answer 30

Mylinated n non mylinated

Question 32

Mylinated have

Answer 32

Schwann cells

Question 33

Gaps between two mylein sheath is called

Answer 33

Nodea of ranvier

Question 34

Mylinated r found in

Answer 34

Spinal n cranial

Question 35

Unmylinated is found in

Answer 35

Autonomous and somatic neural system

Question 36

Y are neurons excitable

Answer 36

Bcz their membranes r in polarised state

Question 37

Ion channels r

Answer 37

Selectively permiable

Question 38

In resting state which ion is more permiable

Answer 38

K

Question 39

Membrane in resting state is impermiable to

Answer 39

Na n negatively charged protiens

Question 40

Axoplasm has high conc of

Answer 40

K n negatively charged proteins

Question 41

Ionic gradients r maintained by

Answer 41

Active transport of k/ na pump 3 na out n 2 k in

Question 42

Charge of outer n inner surface is

Answer 42

Positive n negative

Question 43

The potential diff at resting state is

Answer 43

Resting potential

Question 44

What happens when stimules is applied

Answer 44

Na become more permiable and polarity reverses

Question 45

What is the site that is reverses of polarity called

Answer 45

Depolarised

Question 46

The potential diff is called

Answer 46

Action potential , nerve impulse

Question 48

Current flows from

Answer 48

Site of depolarisation to unpolarised