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Neurons 2023

Total questions: 48

Worksheet time: 27mins

Name
Class
Date
1.

How many different kinds of neurons are in the human body? Type the #.

(a)  

2.

How many kind(s) of neuron(s) is/are found in the CNS?

(a)  

3.
Which of these is the STARTING point of a neuron?
a)
dendrites
b)
axon
c)
soma
d)
axon terminals
e)
terminal buttons
4.
Organs like _______________ have the _______________ of sensory neurons embedded in them.
a)
skin, dendrites
b)
muscles, dendrites
c)
brain, dendrites
d)
spinal cord, dendrites
e)
muscles, axon terminals
5.
Organs like _______________ have the _______________ of motor neurons embedded in them.
a)
skin, dendrites
b)
muscles, dendrites
c)
brain, dendrites
d)
spinal cord, axon terminals
e)
muscles, axon terminals
6.
Which kind(s) of neurons has/have myelin sheath?
a)
sensory neurons
b)
motor neurons
c)
interneurons
7.
Which of these connect to effector cells?
a)
axon terminals of a motor neuron
b)
axon terminals of a sensory neuron
c)
dendrites of a sensory neuron
d)
dendrites of a motor neuron
e)
axon terminals of an interneuron
8.
What's the LONGEST part of a neuron?
a)
the dendrite
b)
the soma
c)
the axon terminal
d)
the axon
9.
Which of these are the most branching & tree-like?
a)
dendrites
b)
axon
c)
myelin
d)
terminal buttons
10.
These take the signal from the brain to your muscles, telling the muscles to move.
a)
sensory neurons
b)
motor neurons
c)
interneurons
11.
Which nueron is housed in the central nervous system?
a)
Motor
b)
Sensory
c)
Interneuron
12.
What is the order of neurons if I touched a hot pan and moved my hand out of the way?
a)
Interneuron, (Associative)Sensory Neuron, Motor Neuron
b)
Sensory Neuron, Interneuron (Associative), Motor Neuron
c)
Sensory Neuron, Motor Neuron, Interneuron (Associative)
13.
What is the path of a nerve impulse through a neuron, from detection of pain/heat/light/etc. to the release of neurotransmitters?
a)
Dendrite, Axon Terminals, Axon
b)
Dendrite, Axon, Axon Terminals
c)
Axon, Dendrite, Axon Terminals
d)
Axon Terminals, Axon, Dendrite
14.
What is Number 1?
a)
Dendrites
b)
Nucleus
c)
Soma/Cell Body
d)
Nodes of Ranvier
e)
Myelin Sheath
15.
What is Number 2?
a)
Soma/Cell Body
b)
Nucleus
c)
Nodes of Ranvier
d)
Myelin Sheath
e)
Schwann Cells
16.
What is Number 3?
a)
Axon
b)
Nucleus
c)
Soma/Cell Body
d)
Nodes of Ranvier
e)
Myelin Sheath
17.
The DNA and ribosomes are found in the
a)
soma/Cell body
b)
axon
c)
axon terminals
d)
terminal buttons
e)
all of these places
18.
What ion is used in an Action Potential?
a)
Na+ (Sodium)
b)
Ca++ (Calcium)
c)
Cl- (Chlorine)
d)
NO- (Nitrous)
19.
During rest, which ion is found at a higher level outside the neuron?
a)
Sodium
b)
Potassium
c)
Sugar
d)
Chloride
20.
Which direction does the Action Potential travel in a neuron?
a)
Cell Body to axon terminals
b)
Nodes of Ranvier to Cell Body
c)
Cell Body to Dendrites
d)
Dendrites to Nodes of Ranvier
21.
Which type of channels open in an action potential? 2 answers
a)
Sodium
b)
Potassium
c)
Chloride
d)
Sugar
22.
Which type of protein is NOT used in an action potential?
a)
Cl- (chlorine) faciliator
b)
Na+ (sodium) channel
c)
K+ (potassium) channel
d)
Na/K (sodium/potassium) pump
23.
When a neuron is resting, which ion is found inside the cell?
a)
K+
b)
Na+
c)
Ca++
d)
Cl-
24.
When the voltage in a neuron changes from -70mv to -55mv, an action potential starts. What is the name for the 55mV charge?
a)
Threshold
b)
Depolarization
c)
Repolarization
d)
Hyperpolarization
25.
All of these are names for the same thing EXCEPT:
a)
association neuron
b)
relay neuron
c)
motor neuron
d)
interneuron
26.
Which of these are the most branching & tree-like?
a)
dendrites
b)
axon
c)
myelin
d)
terminal buttons
27.
What is Number 4?
a)
Nodes of Ranvier
b)
Nucleus
c)
Soma/Cell Body
d)
Myelin Sheath
e)
Schwann Cells
28.
What is Number 5?
a)
Axon Terminal
b)
Nucleus
c)
Soma/Cell Body
d)
Nodes of Ranvier
e)
Myelin Sheath
29.
What is Number 6?
a)
Schwann Cells
b)
Nucleus
c)
Soma/Cell Body
d)
Nodes of Ranvier
e)
Myelin Sheath
30.
What is Number 7?
a)
Myelin Sheath
b)
Nucleus
c)
Soma/Cell Body
d)
Nodes of Ranvier
e)
Schwann Cells
31.
What is Number 8?
a)
Nucleus
b)
Soma/Cell Body
c)
Nodes of Ranvier
d)
Myelin Sheath
e)
Schwann Cells
32.
What type of neuron is this?
a)
Interneuron
b)
Motor Neuron
c)
Axon Terminal
33.

Neurotransmitters are released from the

a)

Dendrites

b)

Post-synaptic neuron

c)

Presynaptic neuron

d)

Schwann Cells

34.
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
35.
Serotonin is a neurotransmitter that helps regulate:
a)
learning and memory
b)
pain and pleasure
c)
muscle movements
d)
sleep, moods/emotions
36.
Which neurotransmitter is involved in muscle movements?
a)
Acetylcholine
b)
Endorphins
c)
Serotonin
d)
GABA
37.

The name of the specialised gap between 2 neurons

a)

Dendrites

b)

Terminal buttons

c)

Synaptic Vesicles

d)

Synapse

38.

Which neurotransmitter engages the "Fight or Flight" response of the body?

a)

Acetylcholine

b)

Endorphins

c)

Adrenaline (epinephrine)

d)

Serotonin

39.

The neurotransmitter that is directly involved with the reward pathway is

a)

acetylcholine

b)

serotonin

c)

dopamine

d)

norepinephrine

40.
W
a)
Axon Terminal Button
b)
Neurotransmitters
c)
Dendrite
d)
Synapse
41.
Y
a)
Axon Terminal Button
b)
Neurotransmitters
c)
Dendrite
d)
Synapse
42.
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
43.

The location of neurotransmitters

a)

axon terminals

b)

dendrites

c)

Schwann cells

d)

cell body

44.

Z

a)

Axon Terminal Button

b)

Neurotransmitters

c)

Dendrite

d)

Synapse

45.

X

a)

Axon Terminal Button

b)

Neurotransmitters

c)

Dendrite

d)

Synapse

46.

What chemical is activated by the action potential in the presynaptic neuron that causes the vesicles containing neurotranmitters to move toward the synaptic cleft?

a)

calcium

b)

potassium

c)

sodium

d)

phosphorus

47.

5 shows ____ diffusing across the synaptic cleft.

a)

neurotransmitters

b)

calcium ions

c)

sodium ions

48.

What is the region where nerve cells meet called?

a)

Synapse

b)

Cleft

c)

Junction

d)

Axon terminal