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COMMUNICATION & THE ACTION POTENTIAL

Total questions: 17

Worksheet time: 7mins

Name
Class
Date
1.

Communication of information between neurons is accomplished by movement of chemicals across a small gap called the

a)

AXON TERMINAL

b)

NEURONAL CLEFT

c)

SYNAPSE

d)

VESICLE JUNCTION

e)

ACTION POTENTIAL

2.

The electrical impulses are created in the human body by the:

a)

NEURO SYNAPSES

b)

ACTION POTENTIAL

c)

SODIUM/POTASSIUM PUMP

d)

NEUROTRANSMITTERS

3.

The speed of the electrical impulse through the axon, is influenced by the myelin sheath and

a)

soma cells

b)

Schwaan cells

c)

Nodes of Ranvier

d)

axon terminals

e)

dendrites

4.

Our nervous system takes information through our _________.

a)

dendrites

b)

action potential

c)

central nervous system

d)

senses

5.

After the stimulus information is processed, the information triggers a reaction such as ___________

a)

action potential

b)

sodium/potassium pump activity

c)

muscle movement

d)

pain

e)

muscle movement or pain

6.

The path of an electrical impulse originates at the __________.

a)

cell body

b)

axon terminal

c)

synapse

d)

dendrites

7.

_________ neurons and receptors are located within the joints, muscles, internal organs and skin.

a)

motor

b)

association

c)

adaptive

d)

sensory

8.

___________ are produced in the vesicles before a synapse occurs.

a)

reflexes

b)

electrical impulses

c)

neurotransmitters

d)

chemical reactions

9.

Place in correct order of the nerve impulse

a)

axon terminals, synapse, dendrites, cell body

b)

synapse, axon terminals, dendrites cell body

c)

cell body, axon terminal, synapse, dendrites

d)

axon, dendrites, axon terminal, synapse

e)

dendrites, cell body, axon terminal, synapse

10.

What factor does NOT impact our ability to react to a stimulus?

a)

age

b)

gender

c)

environment

d)

type of stimulus

e)

muscular tension

11.

The sensory signal is sent to a sensory neuron, resulting in a motor movement.

a)

TRUE

b)

FALSE

12.

A voluntary reaction or a reflex does not differ in our ability to react to a stimulus.

a)

TRUE

b)

FALSE

13.

What is needed for sodium and potassium to move against their concentration gradients?

a)

chemical reaction

b)

ATP

c)

neuro transmitters

d)

neuron activation

14.

When the neuron is not firing an electrical impulse, the _______ ions outside the cell is greater than the _________ inside the cell.

a)

potassium; sodium

b)

calcium; magnesium

c)

sodium; potassium

d)

calcium; potassium

15.

A stimulus is detected by sensory receptors and the body responds by motor effectors.

a)

TRUE

b)

FALSE

16.

Neurons transmit information through ________ changes in the cell membrane.

a)

chemical

b)

electrical

17.

Using "the cockroach analogy," finish the reflex arc process:

stimulus >>_______ >> interneuron >> _______ >> response

a)

receptor; effector

b)

effector; receptor