Neuron Structure and Function Quiz

What is the main role of a neuron?

• To create oxygen and other necessary molecules for survival

• To absorb nutrients from the bloodstream

• To pass impulses from the brain to the body or body to the brain

• To contract and relax to cause movements

Tags

NGSS.MS-LS1-3

Which part of the neuron is where the axon joins the cell body?

• nodes of Ranvier

• synaptic end bulbs

• axon terminal

• axon hillock

Which part of the neuron is also known as the cell body?

• axon

• soma

• dendrites

• myelin sheath

Which part of the neuron carries impulses away from the soma and towards the next neuron?

• axon

• dendrites

• nucleus

• Schwann cells

Which part of the neuron produces the myelin sheath in the peripheral nervous system?

• axon hillock

• nodes of Ranvier

• synaptic end bulbs

• Schwann cells

Which part of the neuron receives impulses from the previous neuron?

• nodes of Ranvier

• synaptic end bulbs

• dendrites

• axon terminals

Which part of the neuron stores neurotransmitters to be released into the synapse when an impulse arrives?

• axon terminals

• nodes of Ranvier

• synaptic end bulbs

• dendrites

Which part of the neuron are gaps in the myelin sheath?

• synaptic end bulbs

• nodes of Ranvier

• axon hillocks

• Schwann cells

Which part of the neuron are fine projections at the end of an axon that pass the impulse toward the next neuron?

• soma

• dendrites

• axon terminals

• axon hillocks

Which part of the neuron is a lipid layer that insulates the axon and speeds up how quickly an impulse can pass?

• myelin sheath

• nodes of Ranvier

• Schwann cells

• axon terminals