BIO 1220 Chapter 10

What cell works to myelinate axons in the CNS?

• Oligodendrocytes

• PNS

• Schwann Cells

• White Matter

Axons which are tightly wrapped by neuroglial cells are termed ________.

Which of the following is not a part of the PNS?

• Somatic Nervous System

• Neuromuscular Junction

• Brain and Spinal cord

• Autonomic Nervous System

Which of the following cells helps to protect, support, insulate, and nourish the nervous system?

• Neurons

• Neuroglia

• Dendrites

• Bipolar Neurons

Groups of unmyelinated axons in CNS comprise ____ _______.

An astrocyte is a neuroglial cell that regulates ion concentrations, and is part of the blood brain barrier.

• True

• False

Which of the following neuroglial cells performs myelination of the axon and structural support?

• Microglia

• Oligodendrocytes

• Astrocytes

• Ependyma

Which of the following is a neuroglial cell of the PNS?

• Oligodendrocyte

• Astrocyte

• Schwann Cell

• Microglia

This image is an example of what?

• Neurotransmitter

• Post synaptic receptor

• Synaptic vessicle

• Sodium

  Potassium Pump

What is the typical resting membrane potential in millivolts?

• it is polarized

• 50mV

• -70mV

• 70mV