Cadena Chapter 11

What do oligodendrocytes form around CNS nerve fibers?

• Axons

• Dendrites

• Myelin sheaths

• Synapses

In which part of the nervous system do oligodendrocytes primarily function?

• Peripheral nervous system

• Central nervous system

• Autonomic nervous system

• Somatic nervous system

What is the site of electrical signaling in a neuron?

• Nucleus

• Mitochondria

• Plasma membrane

• Golgi apparatus

Information gathered by sensory receptors about internal and external changes

• Motor output

• Sensory input

• Integration

Which of the following is a function of free ribosomes in the neuron cell body?

• Energy storage

• Protein synthesis

• Signal reception

• Lipid breakdown

What is the primary function of dendrites in a motor neuron?

• Conducting impulses away from the cell body

• Receiving signals from other neurons

• Synthesizing proteins

• Transmitting signals to muscles

Bundles of nerve fibers in CNS

• Tracts

• Nerves

Bundles of nerve fibers in PNS

• Nerves

• Tracts

Small cells that surround and wrap delicate neurons

• Neuroglia

• Neurons

Excitable cells that transmit electrical signals

• glial cells

• nerve cells