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Nervous system and reflex Arc GCSE

Total questions: 33

Worksheet time: 26mins

Name
Class
Date
1.
The part of the neuron that insulates the axon and increases the speed of the neural message within the neuron.
a)
Synapse
b)
Dendrite
c)
Myelin Sheath
d)
Axon Terminal Button
2.

This part of the neuron receives chemical messages from the neurotransmitters of other neurons. It is labeled A in the diagram.

a)

Dendrite

b)

Axon

c)

Axon Terminal

d)

Cell Body

3.

The long, fiber like part of a neuron which the cell sends information to receiving neurons. Labelled D in diagram.

a)

Synapse

b)

Axon

c)

Axon Terminal

d)

Dendrite

4.
The nervous system subdivision that is composed of the brain and spinal cord.
a)
Autonomic Nervous Sytem
b)
CNS
c)
PNS
d)
Somatic Nervous System
5.

_____ 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

6.
What are the 2 major divisions of the peripheral nervous system (PNS)?
a)
Sensory & Motor
b)
Peripheral & Central
c)
Somatic & Autonomic
d)
Brain & Spinal Cord
7.
Label the Neuron-What does the letter "C" represent?
a)
Dendrite
b)
Axon
c)
Axon Terminal
d)
Cell Body
8.

Select two examples of effectors.

a)

Neuron

b)

Gland

c)

Muscle

d)

Receptor

9.

Which type of neuron causes a muscle to contract in a reflex arc?

a)

Motor Neuron

b)

Sensory Neuron

c)

Interneuron

d)

Effector

10.
What is the neuron found only in the spinal cord?
a)
Relay
b)
Sensory
c)
Motor
d)
Reflex
11.

Where would the nerve impulse start in this reflex arc?

a)

A

b)

C

c)

D

d)

E

12.

What type of neuron is A?

a)

Sensory

b)

Inter

c)

Motor

13.

Which is the correct order of neurons in a reflex arc?

a)

Sensory neuron, motor neuron, relay neuron

b)

Relay neuron, sensory neuron, motor neuron

c)

Sensory neuron, relay neuron, motor neuron

14.
What bone protects your brain?
a)
Skull
b)
Cerebellum
c)
Cerbrum
d)
Deltoids
15.
What type of cell gathers and carries information?
a)
Nerve Ending
b)
Sense Organ
c)
Sensory Cell
d)
Nerve Cell
16.
What part of the eye bends light to focus it on the retina?
a)
Retina
b)
Iris
c)
Optic Nerve
d)
Lens
17.
What part of the eye sends messages to the brain from the retina?
a)
Optic Nerve
b)
Iris 
c)
Lens
d)
Cornea
18.

What is the black part of the eye called?

a)

Retina

b)

Nerve

c)

Pupil

d)

Iris

19.

What is the colored part of the eye called?

a)

Iris

b)

Optic Nerve

c)

Cornea

d)

Rods and Cones

20.

An example of voluntary movement would be:

a)

Dancing

b)

heart beat

c)

digestion

d)

breathing

21.

TRUE or FALSE: All nerves have the same job. For example, they all carry messages to the brain

a)

TRUE

b)

FALSE

22.

What is true about nerves?

a)

Nerves all have the same job - to send messages TO the brain and spinal cord.

b)

Nerves all have the same job - to send messages AWAY the brain and spinal cord.

c)

Nerves all have different jobs -some only send messages TO to the brain and spinal cord with other only send messages AWAY from the brain and spinal cord.

23.

At synapse axon terminal is expanded into

a)

End bulb or synaptic knob

b)

presynaptic neuron

c)

post synaptic neuron

d)

synaptic vesicle

24.

Gap between presynaptic and post synaptic neuron is called

a)

synaptic vesicle

b)

tight junctions

c)

synaptic cleft

d)

Synaptic knob

25.

The diagram shows a motor neuron , a synapse and an effector (muscle) . What is the specific name given to this junction.

(a)  

26.

Neurotransmitters are released from the

a)

Dendrites

b)

Post-synaptic neuron

c)

Presynaptic neuron

d)

Schwann Cells

27.

Name the part of the post synaptic neuron labelled W

a)

Axon Terminal Button

b)

Neurotransmitters

c)

Dendrite

d)

Synapse

28.

Y

a)

Axon Terminal bulb/ nerve ending

b)

Neurotransmitters

c)

Dendrite

d)

Synapse

29.
What is the chemical used by a neuron to transmit an impulse across a synapse to another nerve cell?
a)
Neurotransmitters
b)
Synapse
c)
Threshold
d)
Impulse
30.
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
31.

The location of neurotransmitters

a)

axon terminals/ nerve endings/terminal bulbs

b)

dendrites

c)

Schwann cells

d)

cell body

32.

Name substance labelled Z

a)

Axon Terminal Button

b)

Neurotransmitters

c)

Dendrite

d)

Synapse

33.

What is X?

a)

Axon Terminal Button

b)

Neurotransmitters

c)

Dendrite

d)

Synapse

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