Homework 1 Neurons

Which of the cell types shown helps determine capillary permeability in the CNS?

• A

• B

• C

• D

Which of the cell types shown is most associated with the production and flow of cerebrospinal fluid (CSF)?

• A

• B

• C

• D

Which of the neuroglial cell types shown form myelin sheaths within the CNS?

• A

• B

• C

• D

Which of the neuroglial cell types shown are found in the peripheral nervous system (PNS)?

• A

• B

• C

• E

Name the glial cell at F.

• Schwann cell  

• satellite cells        

• oligodendrocytes

• ependymal cells        

Destruction of which of the neuroglial cell types leads to the disease multiple sclerosis (MS)?

• A

• B

• C

• F

What is the structure at A?

• axon collateral

• dendrite

• axon

• soma

What structural classification describes this neuron?

• unipolar

• multipolar

• pseudounipolar

• bipolar

Which areas of this neuron would be classified as receptive regions?

• D only

• E only

• both A and B

• both A and E

Which of these materials or structures would be found in greatest amounts or numbers at E?

• the nucleolus

• chemically gated sodium ion channels

• chromatophilic substance (Nissl bodies)

• vesicles containing neurotransmitter