Anatomy Chapter 12, 13, 14, 15, 16

20 Questions  I  By Jan.p1127 on May 16, 2010
A somatic motor neuron carries

  
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1.  A somatic motor neuron carries
A.
B.
C.
D.
2.  Most synapses are found in the:
A.
B.
C.
D.
3.  Which of the following is NOT a characteristic of neurons
A.
B.
C.
D.
4.  Ganglia represent groups of:
A.
B.
C.
D.
5.  The majority of neurons in the body are:
A.
B.
C.
D.
6.  Which of the following structures is found only in the PNS and not in the CNS
A.
B.
C.
D.
7.  Interneurons are found only in the:
A.
B.
C.
D.
8.  Which cells provide the myelin sheaths for the neurons in the CNS
A.
B.
C.
D.
9.  Which of the following is the correct order of the components in a reflex arc:
A.
B.
10.  White matter represents
A.
B.
C.
11.  Action potentials travel along the
A.
B.
C.
D.
12.  The peripheral nerve fibers that would measure the degree of stretch in a the biceps brachii muscle and its tendons would be an example of a:
A.
B.
C.
D.
13.  All of the following are characteristics of the dendrites except that they
A.
B.
C.
14.  Myelin on axons functions to:a. make axons live longer             b. store nutrients (fat) for use of the neuronc. cover the nodes of Ranvier     d. speed  the rate of impulse conduction and insulate the axon
A.
B.
C.
D.
15.  Unmyelinated axons area. thicker than myelinated axons       b. are not associated with Schwann cellsc. conduct impulses more slowly than myelinated axons     d. occur the PNS only
A.
B.
C.
D.
16.  Which of the following immediately encloses a single neuron?a. endoneurium         b. perineurium                  c. fascicle             d. indoneurium
A.
B.
C.
D.
17.  A man walking barefoot steps on a piece of glass. His foot jerks upwards in which type of reflexa. somatic, polysynaptic, withdrawal       b. visceral, monosynaptic, stretchc. somatic, monosynaptic, withdrawal    d. visceral, polysynaptic, withdrawa
A.
B.
C.
D.
18.  Gray matter in the CNS contains all of the following excepta. neuronal cell bodies         b. neuroglia        c. dendrites        d. fiber tracts
A.
B.
C.
D.
19.  The chemical substance that is released at the axon terminal is called aa. hormone        b. neurotransmitter        c. synaptic vesicle            d. nissl body
A.
B.
C.
D.
20.  In the spinal cord, the cell bodies of most interneurons line in thea. sensory ganglia       b. PNS   c. dorsal half of gray matter         d. ventral half of white matter
A.
B.
C.
D.
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