Quiz on Neurons and Brain Function 2

What is the basic working unit of the brain designed to transmit information?

• Neuron

• Synapse

• Axon

• Dendrite

Approximately how many billion neurons does the human brain have?

• 1000 billion

• 100 billion

• 10 billion

• 1 billion

How do neurons communicate with each other?

• Electrically

• Chemically

• Magnetically

• Physically

What is the part of the neuron where signals are sent throughout the body called?

• Axon

• Synapse

• Dendrite

• Cell body

During the teen years, how is the brain remodeling itself?

• By growing new neurons

• By remodeling itself

• By shrinking

• By losing neurons

What are the two ways the brain remodels during the teen years?

• Pruning and Myelination

• Growth and Expansion

• Shrinking and Deterioration

• Division and Multiplication

What is the function of myelin in the nervous system?

• To insulate axons and speed up signal transmission

• To produce neurotransmitters

• To transmit electrical signals

• To connect neurons to each other

Which part of the neuron receives incoming signals?

• Axon

• Synapse

• Dendrite

• Cell body

What is the role of neurotransmitters in neuron communication?

• To store information

• To protect neurons from damage

• To carry signals across synapses

• To generate electrical impulses

What is the basic working unit of the brain?

• neuron

• axion

• myelin

• synapses