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Neurons & Their Functions

Total questions: 45

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

What is the primary function of sensory neurons?

a)

To detect stimuli from the environment or body

b)

To carry commands for action

c)

To integrate and process signals

d)

To transmit signals to muscles and glands

2.

Which direction do motor neurons transmit impulses?

a)

From sensory receptors to the CNS

b)

From the CNS to muscles and glands

c)

From the brain to the spinal cord

d)

Between sensory and motor neurons

3.

Where are interneurons exclusively found?

a)

In the brain and spinal cord

b)

In the sensory receptors

c)

In the muscles

d)

In the glands

4.

What is the role of interneurons in reflexes?

a)

To detect stimuli

b)

To transmit impulses to effectors

c)

To process and relay signals

d)

To carry commands for action

5.

What type of neuron detects heat in your fingertip?

a)

Sensory neuron

b)

Motor neuron

c)

Relay neuron

d)

Interneuron

6.

What is the function of motor neurons?

a)

To detect environmental stimuli

b)

To carry commands for action

c)

To process and integrate signals

d)

To transmit signals to the brain

7.

What is the term used for sensory neurons?

a)

Relay neurons

b)

Afferent neurons

c)

Association neurons

d)

Efferent neurons

8.

What is the term used for motor neurons?

a)

Relay neurons

b)

Efferent neurons

c)

Afferent neurons

d)

Sensory neurons

9.

What is the role of interneurons in higher functions?

a)

To enable learning and decision-making

b)

To transmit impulses to effectors

c)

To detect stimuli

d)

To carry commands for action

10.

Which neurons form complex neural circuits?

a)

Sensory neurons

b)

Interneurons

c)

Efferent neurons

d)

Motor neurons

11.

What is the first step when touching something hot?

a)

The motor neuron sends a signal to the muscles

b)

The sensory neuron detects heat and sends a signal

c)

The brain processes the pain signal

d)

The interneuron activates the motor neuron

12.

What happens after the sensory neuron detects heat?

a)

The sensory neuron connects with interneurons in the spinal cord

b)

The motor neuron sends a signal to the muscles

c)

The brain processes the pain signal

d)

The muscles contract to pull the hand away

13.

What is the final step in the reflex arc when touching something hot?

a)

The brain processes the pain signal

b)

The interneuron processes the signal

c)

The motor neuron sends a signal to the muscles

d)

The sensory neuron detects heat

14.

What is the primary function of interneurons?

a)

To integrate and relay signals

b)

To detect stimuli

c)

To carry commands for action

d)

To transmit impulses to effectors

15.

Which neurons are responsible for initiating responses?

a)

Interneurons

b)

Sensory neurons

c)

Relay neurons

d)

Motor neurons

16.

What is the direction of impulses in sensory neurons?

a)

Between sensory and motor neurons

b)

From sensory receptors to the CNS

c)

From the brain to the spinal cord

d)

From the CNS to muscles and glands

17.

Which neurons are involved in processing information in reflexes?

a)

Efferent neurons

b)

Sensory neurons

c)

Interneurons

d)

Motor neurons

18.

What is the role of the brain in the reflex arc?

a)

To send commands to muscles

b)

To detect stimuli

c)

To process the pain signal for perception

d)

To relay signals between neurons

19.

Which neurons transmit impulses to effectors?

a)

Sensory neurons

b)

Motor neurons

c)

Interneurons

d)

Relay neurons

20.

What is the function of sensory neurons in the reflex arc?

a)

To carry commands for action

b)

To transmit impulses to effectors

c)

To detect stimuli and send signals to the CNS

d)

To integrate and process signals

21.

Which neurons are responsible for detecting environmental stimuli?

a)

Sensory neurons

b)

Interneurons

c)

Motor neurons

d)

Relay neurons

22.

What is the role of interneurons in the spinal cord?

a)

To carry commands for action

b)

To process and relay signals

c)

To detect stimuli

d)

To transmit impulses to effectors

23.

Which neurons are involved in higher functions like learning?

a)

Efferent neurons

b)

Interneurons

c)

Motor neurons

d)

Sensory neurons

24.

What is the role of motor neurons in the reflex arc?

a)

To carry commands for action

b)

To transmit impulses to the brain

c)

To detect stimuli

d)

To process and relay signals

25.

What is the primary function of the CNS in the reflex arc?

a)

To detect stimuli

b)

To process and relay signals

c)

To carry commands for action

d)

To transmit impulses to effectors

26.

Which neurons are responsible for transmitting impulses to muscles?

a)

Relay neurons

b)

Interneurons

c)

Motor neurons

d)

Sensory neurons

27.

What is the role of the spinal cord in the reflex arc?

a)

To detect stimuli

b)

To transmit impulses to effectors

c)

To process and relay signals

d)

To carry commands for action

28.

Which neurons are involved in forming pathways for reflexes?

a)

Motor neurons

b)

Sensory neurons

c)

All of the above

d)

Interneurons

29.

What is the role of the brain in processing pain signals?

a)

To carry commands for action

b)

To process the pain signal for perception

c)

To transmit impulses to effectors

d)

To detect stimuli

30.

Click the circle that is pointing to the dendrites

31.

Click the circle that is pointing to the cell body

32.

Click the circle that is pointing to the axon

33.

Click the circle that is pointing to the axon terminal

34.

Neurotransmitters

35.
Question Image

Match the following

a)

F

1.

Interneuron

b)

G

2.

Dendrites

c)

H

3.

Axon

d)

I

4.

Motor Neuron

36.

Nerve impulses travels from ​ (a)   to ​ (b)   and lastly exit through ​ (c)   in a nerve cell.

Choose from the below words
dendrites
cell body
axon
37.

chemical messengers that cross the synaptic gaps between neurons (a)  

Choose from the below words
neurotransmitters
agonists
antagonists
dendrites
axons
myelin sheath
endorphins
38.

How is a message delivered from the "sending" neuron to the "receiving" axon?

a)

sympathetic nerves

b)

hormones

c)

medulla oblongata

d)

neurotransmitters

39.

Which part of the neuron receives signals from other neurons?

a)

Axon

b)

Cell Body

c)

Dendrites

d)

Synapse

40.

What is the primary role of the dendrites in a neuron?

a)

To transmit signals away from the neuron's cell body

b)

To receive signals from other cells

c)

To insulate the neuron and speed up signal transmission

d)

To release neurotransmitters into the synaptic cleft

41.

What is the gap, or space, between two neurons called?

a)

Axon

b)

Dendrite

c)

Synapse

d)

Myelin Sheath

42.

Neurotransmitters are

a)

chemicals

b)

electrical charges

c)

blood cells

d)

lipids

43.
Label the Neuron-What does the letter "A" represent?
a)
Axon
b)
Dendrite
c)
Axon Terminal
d)
Cell Body
44.
Label the Neuron-What does the letter "D" represent?
a)
Dendrite
b)
Axon
c)
Myelin Sheath
d)
Node of Ranvier
45.

A node of Ranvier is labeled with the letter (a)   .