Nervous System Quiz

The part of the neuron that receives signals is the:

• Axon

• Dendrite

• Axon Terminal

• Cell Body

Which nerves carry messages from the sensory receptor to the CNS?

• motor (efferent)

• sensory (afferent)

• interneurons

• neurons don't do this

Which nerves carry messages from the CNS to the site of the response?

• motor (efferent)

• sensory (afferent)

• interneurons

• neurons don't do this

The cell's membrane potential becomes more positive during:

• depolarization

• repolarization

• resting potential

• hyperpolarization

what might be a job of a motor neuron?

• connecting to a muscle and helping you move

• connecting within the brain to help you make a decision

• sending a message toward your brain from a pain receptor in your skin

• all of these

Which of the following cells protect the nervous system from infection

• microglial

• astrocyte

• oligodendrocyte

• ependymal cell

Which best describes myelin?

• it is a neurotransmitter that triggers muscle contraction

• it is a protein that builds the axon

• it is a fat that speeds the message along the axon

• it is a fat that helps the neuron "hear" messages

Receives sensory information

• Neurons
• Glial Cells

Multiple sclerosis is an autoimmune disease in which the body's own immune system destroys the _____________ of the nerve axons. 

• Myelin
• Dendrites
• Axon Terminal
• Nodes of Ranvier

Tags

NGSS.MS-LS3-1

Which is the correct sequence in the transmission of a neural impulse?

• axon, dendrite, cell body, synapse
• dendrite, axon, cell body, synapse
• synapse, axon, dendrite, cell body
• dendrite, cell body, axon, synapse