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Nervous System Quiz Practice

Total questions: 24

Worksheet time: 25mins

Name
Class
Date
1.

Which brain structure is responsible for balance and is involved with movement?

a)

Cerebellum

b)

Cerebrum

c)

Medulla

2.
What is the normal resting potential of a neuron cell membrane?
a)
+40mV
b)
-30mV
c)
+55mV
d)
-70mV
3.
Which ions are involved in an action potential?
a)
Na; Cl
b)
Na; K
c)
K; Cl
d)
Na; Ca
4.
At which point on the diagram does depolarisation of the axon occur? 
a)
A
b)
B
c)
C
d)
D
5.
The sodium potassium pump restores the resting potential. By which process does this work? 
a)
Osmosis
b)
Diffusion
c)
Facilitated diffusion
d)
Active transport
6.
A membrane potential becoming less negative is called
a)
hyperpolarization
b)
depolarization
c)
repolarization
d)
polarization
7.
In resting potential, neurons have more _________ on the outside of the cell membrane.
a)
K+
b)
NaCl
c)
Na+
d)
Cl-
8.
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
9.
The sodium-potassium pump....
a)
Sends (Na+) into the cell
b)
Sends (K+) into the cell
c)
Exchanges (K+) & (Na+) during depolarization
d)
Exchanges (K+) & (Na+) during hyperpolarization
10.

An electrical impulse within a single neuron is called a

a)

synapse

b)

membrane potential

c)

action potential

d)

cell body

11.

What type of neuron is A?

a)

Sensory

b)

Inter

c)

Motor

12.

What type of neuron is C?

a)

Sensory

b)

Inter

c)

Motor

13.

Name an effector in this diagram.

a)

A

b)

B

c)

D

d)

E

e)

F

14.

Which statement best describes a reflex?

a)

Slow response that you have to think about

b)

Rapid response to protect body from harm

15.

_____ neurons carry messages away from the central nervous system and out to muscles or glands. The RED neuron in diagram.

a)

sensory

b)

motor

c)

inter

d)

central

16.

Where would the nerve impulse start in this reflex arc?

a)

A

b)

C

c)

D

d)

E

17.

This looks like a smaller version of the brain stuck to the underside of the brain.

a)

pons

b)

cerebellum

c)

thalamus

d)

amygdala

18.

Area at the rear of the frontal lobes that controls voluntary movements.

a)

Somatosensory Cortex

b)

Cerebellum

c)

Prefrontal Cortex

d)

Motor Cortex

19.

Portion of the cerebral cortex lying behind the forehead involved in planning & judgment.

a)

Temporal Lobe

b)

Prefrontal Cortex

c)

Wernicke's Area

d)

Parietal Lobe

20.

Which of the following are located exclusively in the brain and spinal cord?

a)

sensory neurons

b)

motor neurons

c)

myelin sheath

d)

interneurons

e)

axons

21.

The chemical messengers released into the spatial junctions between neurons are called

a)

hormones

b)

neurotransmitters

c)

synapses

d)

sensory neurons

e)

motor neurons

22.
How do the neurons in the nervous system communicate with each other?
a)
Electrically or Chemically
b)
Text Messages
c)
Only Chemically
d)
Only Electronically
23.
What is an example of something a Motor Neuron attached to
a)
Muscles
b)
Bones
c)
Taste buds
d)
blood vessels
24.
What do you call the gap between Neurons
a)
Synapsis
b)
Junction
c)
Axon Terminal
d)
Dendrite

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