Nervous System Quiz

What is the basic cell of the nervous system that sends and receives information?

• Axon

• Neuron

• Synapse

• Neuroglia

How do neurons carry signals?

• Synapse

• Impulse

• Neurotransmitter

• Receptor

Which class of neurons is characterized by having multiple extensions?

• Bipolar

• Unipolar

• Multipolar

• Sensory

What is the space between two neurons called?

• Synapse

• Synaptic cleft

• Neurotransmitter

• Axon

What is the role of neuroglia in the nervous system?

• Transmit signals

• Support and protect neurons

• Store neurotransmitters

• Insulate axons

Which part of the neuron is responsible for transmitting signals away from the cell body?

• Dendrites

• Axon

• Synapse

• Neuroglia

What is the difference in charge across the cell membrane called?

• Voltage difference

• Charge difference

• Potential difference

• Resting difference

The membrane of a Schwann cell is known as the ?

• myelin

• Neurilemma

• oligodendricyte

• Node of Ranvier

What type of transmission involves neurotransmitters that increase the likelihood of an action potential?

• Inhibitory

• Excitatory

• Neutral

• Passive

What type of transmission involves neurotransmitters that decrease the likelihood of an action potential?

• Excitatory

• Inhibitory

• Neutral

• Passive