Section 2 (Nervous Tissue) 11.2-11.3

How many types of Neuroglia are there? (pg. 391)

• 4

• 6

• 2

• 3

What is the most versatile glial cell? (pg. 392)

• Ependymal Cells

• Microglial Cells

• Astrocytes

• Oligodendrocytes

Where are Schwann Cells located? (pg. 392)

• PNS

• CNS

Where are Ependymal Cells located? (pg. 392)

• PNS

• CNS

What is the range in diameter of the cell body of the perikaryon? (pg. 392)

• 5 to 140 µm

• 5 to 100 µm

• 50 to 100 µm

• 7 to 120 µm

What do Dendrites do? (pg. 393)

• Receive signals from the brain

• Block signals from other neurons

• Receive signals from other neurons

What does Meylin do? (pg. 394)

• Protects and electrically insulates fibers

• Breaks down fibers

• Provides support to the vertebrae

• Sends signals to the brain

Multipolar neurons are the major neuron type in the CNS (pg. 395)

• True

• False

What transmits impulses from sensory receptors into the CNS? (pg. 397)

• Sensory Neurons

• Motor Neurons

• Intemeurons

• Bipolar Neurons

Where do Interneurons lie? (pg. 397)

• In between Motor and Sensory neurons

• In the PNS

• On top of the eye

• In a Schwann Cell