Neuron

Question 1

What is another name for neuroglia cells?

Answer 1

Glial

Question 2

What is the function of astrocytes?

Answer 2

Energy support and repair

Question 3

What is gliosis?

Answer 3

Scar tissue formation from astrocyte brain cells

Question 4

What has macrophage like function in the brain CNS?

Answer 4

Microglia cells

Question 5

What secretes the CSF in the cavities(Ventricles) of the brain?

Answer 5

Ependymal cells (choroid plexus)

Question 6

What cells are responsible for the myelination of CNS neurons?

Answer 6

Oligodendrocytes

Question 7

What is saltatory conduction?

Answer 7

Node to node conduction in neuron

Question 8

What’s the function of Schwan cells in neuron?

Answer 8

Myelination cells of the peripheral nerves

Question 9

What is the resting potential of neuron?

Answer 9

-70mV or -90mV

Question 10

What are the activation and inactivation gates of sodium pump in neuron?

Answer 10

Active is on the outside and inactive in the inside. Close and open during membrane depolarization

Question 11

What is the refractory period in action potential?

Answer 11

Phase of recovery after shooting of action potential

Question 12

What is the main difference between gray and white matter of brain?

Answer 12

White matter has myelinated neurons whereas gray has unmyelinated