NERVOUS SYSTEM- CENTRAL NERVOUS SYSTEM AND PERIPHERY NERVOUS SYSTEM

NERVOUS SYSTEM- CENTRAL NERVOUS SYSTEM AND PERIPHERY NERVOUS SYSTEM

1. 1
Baseball
The Nervous System

2. 2
•What are the
two major
divisions of the
nervous system?
–Answer:
Central &
Peripheral
•What cells are
the structural &
functional unit
of the nervous
system?
–Answer:
Neurons

3. 3
•The central
nervous system
is composed of
what organs?
–Answer:
Brain & Spinal
Cord
•What composes
the peripheral
nervous system?
–Answer:
Spinal and
Cranial Nerves

4. 4
•What are the
specialized cells
that aid neurons
(by producing myelin &
helping
communication)?
–Answer:
Neuroglia
•What part of the
neuron is the
“receptive
surface”?
–Answer:
Dendrite

5. 5
•Where is the
nucleus located in
the neuron?
–Answer:
Cell Body
•Match the neuroglia with
it’s function.
Microglia
Oligodendrocyte
Astrocyte
Ependymal
•Phagocytosis
•Support
•Form myelin like
Schwann cells
•Form lining in
ventricles

6. 6
•Identify the area
marked with an
arrow in the
picture to the
right.
–Answer:
Corpus callosum

7. 7
•Identify the area
of the brain stem
marked with an
arrow in the
picture to the
right.
–Answer:
Pons

8. 8
•Identify the area
of the brain
marked with an
arrow in the
picture to the
right.
–Answer:
Cerebellum

9. 9
1 2
3 4
•Identify the
4 lobes of
the brain.
–Answer:
1. Occiptal
2. Parietal
3. Frontal
4. Temporal

10. 10
•What is the
function of the
corpus callosum?
–Answer:
connects right &
left
hemispheres of brain

11. 11
1 2
3 4
•Name the lobe &
match the function:
–Hearing
–Vision
–Concentration
–Understanding
speech
Temporal:hearing Parietal:
understanding
speech
Frontal: Occiptal:
concentration vision

12. 12
•What part of
neuron is
indicated by the
arrow?
–Answer:
Dendrite
•What is the
function of this
portion of the
neuron?
–Answer:
mainreceptive
surface for
electrical
impulses

13. 13
•What part of
neuron is
indicated by the
arrow?
–Answer:
Axon
•What is the
function of this
fiber?
–Answer: it
conducts
impulses away
from the cell
body

14. 14
•What do the tiny
circles in the
space represent?
–Neurotransmitter
•What is the name of the
space between the 2
neurons?
–Answer: Synapse

15. 15
•What part of an
action potential
is illustrated by
the red line?
–Answer:
Depolarization

16. 16
•What is the
name of the
gaps between
Schwann cells?
–Answer:
Nodes of
Ranvier
•Grey Matter
or White
Matter, which
is myelinated?
–Answer:
White Matter

17. 17
•Name that
structure
–Answer:
Pituitary Gland

18. 18
•Which area is the
postsynapic
neuron, which is
presynapic?
•What structure is
located at the arrow?
–Answer: Mitochondrion

19. 19
•What part of an
action potential
is illustrated by
the red line?
–Answer:
Repolarization

20. 20
•What are the
layers of the
meninges from
innermost to
outermost.
–Answer:
Pia, Arachnoid,
Dura
•What area
forms
cerebrospinal
fluid?
–Answer:
Choroid Plexus

21. 21
•Between which
layers of the
meninges is CSF
found?
–Answer:
Arachnoid and
Pia
•Which has a
lower
conductivity for
impulses, grey
or white matter?
–Answer:
Grey

22. 22
•Name the type of
fast conduction
when impulses
jump from node
to node (Ranvier)
–Answer:
Saltatory
•Where is the
greatest
concentration of
Na+, inside or
outside axon?
–Answer:
Outside

23. 23
•What is
happening
during this
phase?
–Answer:
Na+ rushes
in

24. 24
•What is
happening
during this part
of the ap?
–Answer:
K+ rushing out