Chapter 13

42 Questions  I  By Failatlife
Questions that will be on this upcoming exam.

  
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1.  Which of the following fractures would be the least likely to cause a spinal cord injury?
A.
B.
C.
D.
E.
2.  The signals that control your handwriting travel down the spinal cord in
A.
B.
C.
D.
E.
3.  Cerebrospinal fluid fills in the space between
A.
B.
C.
D.
E.
4.   The upper motor neurons that control skeletal muscles begin with a soma in
A.
B.
C.
D.
E.
5.  The following are all functions associated with the spinal cord expect
A.
B.
C.
D.
E.
6.  Which if the following sensory functions involves neurons in the posterior root ganglia?
A.
B.
C.
D.
E.
7.  The spinal cord is divided into all of the following regions except
A.
B.
C.
D.
E.
8.             carry motor commands from the brain along the spinal cord.
A.
B.
C.
D.
E.
9.  Many upper motor neurons synapse with lower motor neurons in
A.
B.
C.
D.
E.
10.  There are        pairs of spinal nerves
A.
B.
C.
D.
E.
11.  Epidural anethesia is introduced in the epidural space between            to block pain signals during pregnancy
A.
B.
C.
D.
E.
12.  Gray matter contains
A.
B.
C.
D.
E.
13.  Second-order neurons synapse with third-order neurons in the
A.
B.
C.
D.
E.
14.                 keeps nerve fibers insulated from one another
A.
B.
C.
D.
E.
15.  A ganglion is a
A.
B.
C.
D.
E.
16.  Which of the following structures is the richest in lipid content?
A.
B.
C.
D.
E.
17.  The cervical plexus gives origin to the        nerve(s).
A.
B.
C.
D.
E.
18.  A          is a cordlike organ composed of numerous       .
A.
B.
C.
D.
E.
19.  The ventral rami of the spinal nerves form plexuses in all regions except
A.
B.
C.
D.
E.
20.  Tendon organs are
A.
B.
C.
D.
E.
21.  The bundle of nerve roots tha occupy the vertebral canal from L2 to S5 is called the 
A.
B.
C.
D.
E.
22.  A mixed nerve consist of both
A.
B.
C.
D.
E.
23.  Which of the following nerves originates in the coccygeal plexus?
A.
B.
C.
D.
E.
24.         fibers innervate eyes and ears
A.
B.
C.
D.
E.
25.  Neurosomas of the posterior root are located in the     , whereas neurosomas of the anterior root are located in the      .
A.
B.
C.
D.
E.
26.  Which of the following branches of a spinal nerve have somas of solely sensory neurons?
A.
B.
C.
D.
E.
27.  These are all properties of reflexes except
A.
B.
C.
D.
E.
28.  Which of these is an ascending tract of spinal cord
A.
B.
C.
D.
E.
29.  The quickest reflex arcs involve only two neurons, thus forming          reflex arcs.
A.
B.
C.
D.
E.
30.  A muscle spindle contains mostly
A.
B.
C.
D.
E.
31.  You go to the movies after a long day and you begin to nod off as soon as the movie starts. Your head starts to lower a little but this reflex causes your head to rise. This is called the
A.
B.
C.
D.
E.
32.  Somatosensory refers to these sensory signals except the sensory signals from
A.
B.
C.
D.
E.
33.  A nurse pricks your finger to type your blood. You flinch at the pain, pulling your hand back. THis is called the
A.
B.
C.
D.
E.
34.  The flexor (withdrawal) reflex employs a            , which maintains a sustained contraction.
A.
B.
C.
D.
E.
35.  The fibers that carry action potentials to cause skeletal muscle to contract are
A.
B.
C.
D.
E.
36.  The tendon reflex
A.
B.
C.
D.
E.
37.  If a bee sting on the right though causes quick involuntary reaction of the right arm, this would be an example of
A.
B.
C.
D.
E.
38.  A reflex where the sensory inout and motor output are on opposite sides of the spinal cord is called a(n)       reflex arc
A.
B.
C.
D.
E.
39.  Which of the following groups of muscles have the most muscle spindles?
A.
B.
C.
D.
E.
40.  In the patellar tendon reflex arc, the patellar ligament is stretched, which stretches the quadriceps femoris muscle of the thigh. This reflex will cause the quadriceps femoris to
A.
B.
C.
D.
E.
41.  This reflex shows the least synaptic delay
A.
B.
C.
D.
E.
42.  The sensitivity of the muscle spindle is maintained by
A.
B.
C.
D.
E.
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