Neve

Question 1

Explain about Erlanger and sasses classification of nerve

Question 2

What are anterograde transport

Question 3

What is retrograde transport

Question 4

What is trans neuronal transport

Question 5

Explain about 4 neurotropins

Question 6

Describe about the nerve growth factors

Answer 6

First neurotrophin identified
Growth and maintenance of sympathetic neurons

Question 7

Function of neurotrophin 3

Answer 7

Innervate muscle spindle and mechano receptor in the skin

Question 8

Function of brain derived neutrophil factor

Answer 8

For peripheral sensory nerve

Question 9

Examples for other growth factors

Answer 9

.platelet derived growth factor
.insulin like growth factor

Question 10

Name the 5 type of neuoglial cells

Answer 10

Asterocytes
Oligodentrocytes
Microglia
Ependymal cell
Schwan cell

Question 11

Which neuroglia forms the blood brain Barrier

Answer 11

Astrocyte
Provide nutrition and support to the neurones

Question 12

Write down the resting membrane potential in dif muscle

Answer 12

Nerve -70mv
Cardiac and skeletal muscle -90mv
Smooth muscle -30 to -80 Mf

Question 13

Which are the 4 concept regarding the genesis of resting potential

Answer 13

1.permeability of cell membrane to various ions
2.Gibbs-donnan equilibrium
3.Nernst equation
4.Goldman Hodgkin equation

Question 14

What is electronic potential or graded potential

Answer 14

It is a local potential of smaller magnitude (-70 to -63)

Question 15

What is local response ?

Answer 15

Membrane potential decrease by 7mv and reaches from -63 to -55

Question 16

Which potential is also called as the impulse or spike potential

Answer 16

Nerve action potential

Question 17

Neuromuscular junction is also know as the

Answer 17

Myo neural junction
Motor end plate