Nervous Tissue

What are neuroglia commonly referred to as? (393)

• Nerve cells

•  Glial cells

• Axonal cells

•  Dendritic cells

How many types of neuroglia are there in the CNS? (393)

• TWO

• THREE

• FOUR

• FIVE

Which type of neuroglia is the most abundant in the CNS?

  

 

(393)

• Microglial cells

• Ependymal cells

•   Astrocytes

•   Oligodendrocytes

 What are the functions of astrocytes?

  

 

(393)

• Phagocytosis

• • Myelination

•    Providing structural support and maintaining the chemical environment around neurons

• Generating action potentials

Which type of neuroglia forms a fairly permeable barrier between cerebrospinal fluid-filled cavities and the tissue fluid bathing the CNS cells?

  (393)

• Microglial cells

• Astrocytes

•    Ependymal cells

• Oligodendrocytes

What is the role of microglial cells?

  

(394)

• Providing nutrients to neurons

• Forming myelin sheaths

• Monitoring the health of nearby neurons and phagocytizing microorganisms or cellular debris

• Generating cerebrospinal fluid

Which type of neuroglia forms myelin sheaths around CNS nerve fibers?

  

(394)

• Astrocytes

• Microglial cells

• Ependymal cells

• Oligodendrocytes

What is the function of satellite cells in the PNS?

  (394)

• Forming myelin sheaths around nerve fibers

• Surrounding neuron cell bodies and providing support

• Producing cerebrospinal fluid

• Monitoring the health of neurons in the CNS

Which neuroglial cell type is vital to the regeneration of damaged peripheral nerve fibers?

   (394)

• Astrocytes

• Microglial cells

• Ependymal cells

• Schwann cells

How many types of neuroglia are there in the PNS?

• (394)

• One

• Two

• Three

• Four