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NEURON STRUCTURE, FUNCTION, ACTIONN POTENTIAL AND SYNAPSE QUIZ

Total questions: 20

Worksheet time: 2hrs 40mins

Name
Class
Date
1.

Which is the following is represented by the letter B?

a)

cell body

b)

nucleus

c)

dendrite

d)

axon

2.

Which is represented by the letter E?

a)

Axon

b)

Myelin sheath

c)

schwan cells

d)

terminal branches

3.

Nerve fibers in the neuron that carries impulses toward the cell body:

a)

axon

b)

dendrite

c)

nucleus

d)

myelin sheath

4.

The space between neurons:

a)

neurotransmitter

b)

synapse

c)

terminal branches

d)

schwann cells

5.

Type of neuron that carries messages from the body to the brain/spinal cord:

a)

Afferent/sensory

b)

Efferent/motor

6.

Type of neuron that carries messages from the brain/spinal cord to the body

a)

Afferent/Sensory

b)

Efferent/Motor

7.
What generates a nerve impulse on the post-synaptic membrane? 
a)
Calcium binding with a receptor site
b)
Potassium leaking into the post-synaptic membrane 
c)
Neurotransmitter binding with receptor sites
d)
Neurotransmitter being removed from the synapse
8.

Chemicals released into a cleft when an action potential reaches the terminal are called.....

a)

ligand gated ion channels

b)

synaptic vesicles

c)

neurotransmitters

d)

voltage gated ion channels

9.
At which point on the diagram does depolarisation of the axon occur? 
a)
A
b)
B
c)
C
d)
D
10.
In resting potential, neurons have more _________ on the outside of the cell membrane.
a)
K+
b)
NaCl
c)
Na+
d)
Cl-
11.

What number(s) on the graph represents the THRESHOLD level of stimulus?

a)

1 and 5

b)

2

c)

3

d)

6

12.
Why is -55 mV a significant number?
a)
This is the largest charge achieved during an action potential
b)
This is the threshold required to complete an action potential
c)
This is the resting charge of a neuron
d)
This is the charge when all the sodium is inside the cell
13.
Which neurotransmitter inhibits brain activity?
a)
Acetylcholine
b)
GABA
c)
Endorphins
d)
Dopamine
14.
Serotonin is a neurotransmitter that helps regulate:
a)
learning and memory
b)
pain and pleasure
c)
muscle movements
d)
sleep, moods/emotions
15.

The tiny gap between neurons where nerve impulses are sent from one neuron to another.

a)

synapse

b)

axon terminal

c)

impulse

d)

myelin

16.
What type of neuroglial cell attaches neurons to capillaries?
a)
Astrocyte
b)
Oligodendrocytes
c)
Microglial
d)
Ependymal
17.
The function of the ependymal cells is ___________.
a)
Protection of the delicate neuron axon
b)
Maintain the health of the neuron
c)
Circulates the cerebrospinal fluid
d)
Insulate the electrical impulse
18.
What are the two parts of the nervous system? 
a)
The brain and spinal cord
b)
The central nervous and peripheral nervous system 
c)
The neurons and the dendrites
d)
The cerebrum and the medulla
19.
 Division of the Autonomic Nervous System (which is a subdivision of the Peripheral Nervous System) that is & REST AND DIGEST
a)
sympathetic
b)
parasympathetic
20.
Division of the Autonomic Nervous System (which is a subdivision of the Peripheral Nervous System) that is FIGHT OR FLIGHT
a)
sympathetic
b)
parasympathetic

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