Boise State Bio #227-Exam #4-Koob; Questions and Answers 100% Correct
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Course
Bio 227
Institution
Bio 227
Boise State Bio #227-Exam #4-Koob; Questions
and Answers 100% Correct
List the 3 main functions of the nervous system. Answer-1)Sensory
2) Integrative
3) Motor
Central Nervous System is composed of what two parts? Answer-1)Brain
2)Spinal Cord
Peripheral Nervous System is composed of what tw...
Boise State Bio #227-Exam #4-Koob; Questions
and Answers 100% Correct
List the 3 main functions of the nervous system. Answer-1)Sensory
2) Integrative
3) Motor
Central Nervous System is composed of what two parts? Answer-1)Brain
2)Spinal Cord
Peripheral Nervous System is composed of what two parts? Answer-1) Somatic Nervous
System
2) Autonomic Nervous System
Afferent is to ___________ as Efferent is to ___________ Answer-sensory, motor
The Autonomic Nervous system has what two divisions? Answer-1)Sympathetic Division
2)Parasympathetic Division
Cerebrospinal is to _____________ as Autonomic is to __________ Answer-voluntary,
involuntary
Name 4 types of neuroglial cells found in the CNS. Answer-1) Astrocytes
2) Oligodendrocytes
,Boise State Bio #227-Exam #4-Koob; Questions
and Answers 100% Correct
3) Microglial Cells
4) Ependymal Cells
Name 2 types of neuroglial cells found in the PNS. Answer-1)Schwann Cells
[neurolemmacytes]
2)Satellite Cells
List six characteristics of astrocytes. Answer-1) star-shaped with many processes
2) most abundant and most versatile glial cell of CNS
3) form blood-brain barrier along with blood vessels' endothelium
4) around pia mater
5) star-shaped with many processes
6) around neurons
List four characteristics of oligodendrocytes. Answer-1. "few tree"
2. found within the CNS
3. form myelin sheaths around axons in CNS [myelin --- phospholipids]
4. one cell to many axons
List five characteristics of microglial cells. Answer-1. "small glue"
2. small cells with "thorny" processes
, Boise State Bio #227-Exam #4-Koob; Questions
and Answers 100% Correct
3. from mesoderm
4. derived from monocytes (macrophages)
5. "brain macrophages"
List five characteristics of ependymal cells. Answer-1. "upper garment"
2. form a continuous lining for ventricles of brain and central canal of the spinal cord
3. may have cilia
4. squamous to columnar
5. associated with the choroid plexus which forms CSF (cerebral spinal fluid)
List three characteristics of Schwann cells. Answer-1. also called neurolemmacytes
2. forms myelin sheaths around axons
3. one cell to one axon
What are the 3 main parts of a nerve cell Answer-1. Cell Body
2. Dendrites
3. Axon
Define "nerve fiber" . Answer-Any processes projecting from the cell body; more
commonly it refers to an axon and its sheaths.
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