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HHB 3.4 Nervous System & Neurotransmitters Quizs

Total questions: 18

Worksheet time: 15mins

Name
Class
Date
1.

Process by which neurotransmitters cross the synaptic cleft

a)
osmosis
b)
active transport
c)
diffusion
d)
summation
2.

In a neural pathway, what term is used to describe muscle and glands?

a)
receptor
b)
effectors
c)
stimulus
d)

neurotransmitters

3.

In a neuron which structures contain the neurotransmitters?

a)
ribosomes
b)
mitochondria
c)
vesicles
d)
nucleus
4.

In a neuron which structures receive electrical impulses from other neurons?

a)

axon

b)

cell body

c)

dendrites

d)

myelin sheath

5.

Neurotransmitters are removed from the synaptic cleft by which processes?

a)
summation and enzyme degradation
b)
reuptake and enzyme synthesis
c)
reuptake and enzyme degradation
d)
enzyme inhibition and reuptake
6.
The term for the minimum number of neurotransmitters which must bind to receptors to cause an impulse
a)
threshold
b)
summation
c)
excitatory
d)
inhibitory
7.

In a neuron, which structure increases the speed of impulse conduction?

a)

axon

b)

myelin sheath

c)

dendrite

d)

glial cell

8.

Which substances diffuse across the synaptic cleft and bind to receptors on the membrane of the postsynaptic neuron?

a)

neurotransmitters

b)

vesicles

c)

enzymes

d)

antibodies

9.
Name given to the gap between neurons
a)
vesicle
b)
receptor
c)
neurotransmitter
d)
synaptic cleft
10.
The term for the combining of a series of weak stimuli which triggers an impulse
a)
threshold
b)
summation
c)
excitatory
d)
inhibitory
11.

Neuron found after the synaptic cleft

a)
presynaptic neuron
b)
postsynaptic neuron
12.

Neuron found before the synaptic cleft

a)
presynaptic neuron
b)
postsynaptic neuron
13.
This type of receptor increases the likelihood of another impulse
a)
excitatory
b)
inhibitory
14.

What term is used to describe the formation of myelin sheath?

a)

myelination

b)

summation

c)

desensitisation

d)

reuptake

15.
Summation typically occurs in this type of neural pathway
a)
converging
b)
diverging
c)
reverberating
16.
Which of the options correctly shows the passage of an impulse through a neuron?
a)
axon > dendrite > cell body
b)
dendrite > cell body > axon
c)
cell body > axon > dendrite
d)
dendrite > axon > cell body
17.

Which structure insulates the axon of a neuron?

a)

dendrite

b)

myelin sheath

c)

neurotransmitter

d)

glial cell

18.

Which structure produces the myelin sheath and supports neurons?

a)

Glial cells

b)

Vesicles

c)

Synaptic cleft

d)

Dendrites

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