Neuron Function Quiz

What is the function of the cell body (soma) in a neuron?

• Receiving signals from other neurons

• Sending signals to other neurons

• Generating signals at the initial part (hillock)

• Housing the nucleus and other organelles

What is the primary role of dendrites in a neuron?

• Sending signals to other neurons

• Receiving signals from other neurons

• Generating signals at the initial part (hillock)

• Branching off of the axon

Where are signals generated in a neuron?

• At the dendrites

• At the axon terminal

• At the initial part (hillock)

• At the cell body

What can axon collaterals do in a neuron?

• Receive signals from other neurons

• Generate signals at the initial part (hillock)

• Branch off of the axon

• House the nucleus and other organelles

What surrounds axons to increase signal speed?

• A) Dendrites

• B) Myelin

• C) Nucleus

• D) Cell body

Where does the action potential only have to be generated in a myelinated axon?

• A) Dendrites

• B) Cell body

• C) Nodes of Ranvier

• D) Nucleus

Which cells generate myelin in the central nervous system (CNS)?

• A) Schwann cells

• B) Oligodendrocytes

• C) Dendrites

• D) Axons

Which cells generate myelin in the peripheral nervous system (PNS)?

• A) Schwann cells

• B) Oligodendrocytes

• C) Dendrites

• D) Axons

Which type of neuron connects the central nervous system (CNS) to effector organs?

• A) Afferent neurons

• B) Efferent neurons

• C) Interneurons

• D) Synapses

What is the primary function of interneurons?

• A) Connect the CNS to effector organs

• B) Connect effector organs to the CNS

• C) Connect neurons

• D) Form bundles of neurons