Neurons (Quiz Only)

What are the two main cell classes in the brain mentioned in the learning objectives?

• Neurons and glia

• Neurons and astrocytes

• Glia and astrocytes

• Neurons and oligodendrocytes

What is the primary function of neurons in the brain?

• To provide structural support to the brain

• To transmit electrical signals and process information

• To store nutrients for brain cells

• To protect the brain from infections

What are the three main components of a neuron?

• Dendrites, nucleus, axon

• Dendrites, soma, axon

• Soma, nucleus, myelin sheath

• Axon, synapse, nucleus

What is the main source of input for a neuron?

• Axon

• Soma

• Dendrites

• Nucleus

What is the function of the nucleus in a neuron?

• Extends far away from the soma

• Directs protein synthesis and supplies energy

• Forms synapses with other neurons

• Covers the axon with an insulating substance

What is the insulating substance that covers the axon called?

• Synapse

• Soma

• Myelin sheath

• Terminal button

What is a synapse?

• The process that extends far away from the soma

• The place where the axon of one neuron comes in close contact with the dendrite of another neuron

• The main source of input of the neuron

• The genetic information center of the neuron

What is the terminal button?

• The main source of output of the neuron

• The end of the axon that forms synapses with spines on the dendrites of neurons

• The insulating substance covering the axon

• The process that extends outward from the soma

What are synaptic vesicles responsible for?

• Relaying information forward

• Packaging neurotransmitters

• Activating ion channels

• Binding to receptor sites

Which type of neuron helps us receive information about the world around us?

• Motor neurons

• Interneurons

• Sensory neurons

• Multipolar neurons