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Bio 210: Exam 3: Chapter 13 Questions and Answers
Chapter 13 Testing Your Recall Questions and Answers
10
Biology
11/16/2010
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Term
Nerve fibers that adjust to the tension in a muscle spindle are called:
 Definition
gamma motor neurons
Term
A stretch reflex requires the action of _____________ to prevent an antagonistic muscle from interfering with the agonist
 Definition
reciprocal inhibition
Term
Which of these is NOT a region of the spinal cord?
 Definition
pelvic
Term
The outermost connective tissue wrapping of a nerve is called the
 Definition
epineurium
Term
All somatic refexes share all of the following properties except
 Definition
they are monosynaptic
Term
Outside the CNS, the somas of neurons are clustered in swellings called
 Definition
ganglia
Term
The cerebellum receives feedback from the muscles and joints by way of the _____________ tracts of the spinal cord
 Definition
spinocerebellar
Term
Modified muscle fibers serving primarily to detect stretch are called
 Definition
intrafusal fibers
Term
The crossing of a nerve fiber or tract from the right side of the CNS to the left, or vice versa, is called
 Definition
decussation
Term
The sciatic nerve is a composite of two nerves, the _____________ and _____________
 Definition
tibial and common fibular