Lecture 1

Question 1

Are the cranial nerves PNS or CNS?

Answer 1

PNS except the optic nerve as the retina is part of the brain

Question 2

How many spinal nerves do you have?

Answer 2

31 pairs

Question 3

What are dermatomes?

Answer 3

Which part of the body each spinal nerve goes to

Question 4

Where does information go into the spinal cord?

Answer 4

Dorsal root

Question 5

What type of neurons go into the spinal cord?

Answer 5

Unipolar sensory neurons

Question 6

What type of neurons go out of the spinal cord?

Answer 6

Multipolar motor neurons

Question 7

What is the telencephalon?

Answer 7

The cerebrum

Question 8

What makes up the forebrain?

Answer 8

The cerebrum and diencephalon

Question 9

What makes up the diencephalon?

Answer 9

Thalamus, hypothalamus and epithalamus

Question 10

What is the mesencephalon?

Answer 10

The midbrain

Question 11

What makes up the metencephalon?

Answer 11

Pons and cerebellum

Question 12

What is the myelencephalon?

Answer 12

Medulla

Question 13

What makes up the hindbrain?

Answer 13

The metencephalon and the myelencephalon

Question 14

What is the outer 2mm of the cerebrum?

Answer 14

Neocortex

Question 15

What does Nissel stain stain?

Answer 15

Cell bodies

Question 16

What does Golgi stain stain?

Answer 16

Whole cells, but only a few

Question 17

What is the Hodgkin-Huxley cycle?

Answer 17

Membrane depolarised so channels open and let in Na which furthers depolarisation

Question 18

What is myelin made out of?

Answer 18

Mix of fat and protein

Question 19

What causes multiple sclerosis symptoms?

Answer 19

Demyelination so slow movements and cognitive impacts.