Lecture Quiz 4 Nervous System

223 Questions  I  By Bwshipley

  
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1.  The two types of cells of the nervous system are?
A.
B.
C.
D.
2.  The functional connection between two neurons is a?
A.
B.
C.
D.
3.  The Nervous System
A.
B.
C.
D.
4.  Neurons that conduct impulses from the CNS to muscles or glands are
A.
B.
C.
D.
5.  Sensory receptors
A.
B.
C.
D.
6.  Three general functions of the nervous system are
A.
B.
C.
D.
7.  Masses of myelinated nerve fibers appear
A.
B.
C.
D.
8.  A neuron may have
A.
B.
C.
D.
9.  Every neuron has
A.
B.
C.
D.
10.  Myelin
A.
B.
C.
D.
11.  Which of the following is (are) a type of neuroglia?
A.
B.
C.
D.
12.  Which cells produce myelin in the brain and spinal cord?
A.
B.
C.
D.
13.  A reason that the axons differ in the CNS and PNS differ in their ability to regenerate after injury is that
A.
B.
C.
D.
14.  Most of the neurons in the brain and spinal cord are
A.
B.
C.
D.
15.  Which of the following  cells is only found in the PNS?
A.
B.
C.
D.
16.  Dendrites on the unipolar neurons are parts of
A.
B.
C.
D.
17.  Clusters of neuron cell bodies in the PNS are called
A.
B.
C.
D.
18.  Which of the following neuroglia are not part of the CNS?
A.
B.
C.
D.
19.  Synaptic knobs are at the ends of
A.
B.
C.
D.
20.  Presynaptic neurons release neurotransmitters by
A.
B.
C.
D.
21.  When an action potential passes over the surface of a synaptic knob, the contents of the vesicles are released in response to the response to the presence of
A.
B.
C.
D.
22.  Transmitting an impulse from one neuron to another involves a(n)
A.
B.
C.
D.
23.  A stimulus great enough to change the membrane potential and propagate an action potential is said to have reached
A.
B.
C.
D.
24.  When a nerve fiber is polarized, the concentration of
A.
B.
C.
D.
25.  The most rapid conduction of an impulse along an axon occurs on a fiber that is
A.
B.
C.
D.
26.  Which of the following ions cross neuron cell membranes most readily?
A.
B.
C.
D.
27.  If a resting potential becomes more negative, the membrane is
A.
B.
C.
D.
28.  What is the correct sequence of events along an axon that follows a membrane reaching threshold potential? 1. The membrane depolarizes 2. Sodium channels open and sodium ions diffuse inward 3. The membrabe repolarizes 4. Potassium channels open and potassium ions diffuse outward
A.
B.
C.
D.
29.  A nerve cell membrane becomes depolarized as a result of
A.
B.
C.
D.
30.  Each neuron in the CNS may receive input from
A.
B.
C.
D.
31.  The neurotransmitter that controls skeletal muscle contraction is
A.
B.
C.
D.
32.  Viagra is a drug used to treat erectile dysfunction by dilating the arteries in the penis.  The neurotransmitter that viagra affects is
A.
B.
C.
D.
33.  Neurotransmitters that are modified amino acids are
A.
B.
C.
D.
34.  Drugs that increase the actions of  norepinephrine and/or serotonin by keeping them in synapses longer are most likely used to treat
A.
B.
C.
D.
35.  Migraine results from
A.
B.
C.
D.
36.  An immune response that affects the myelin coating on axons throughout the spinal cord and brain, triggering inflammation and leaving scars is
A.
B.
C.
D.
37.  Drugs that decrease membrane permeability to sodium
A.
B.
C.
D.
38.  Opiate drugs derived from poppies relieve pain in humans because the human nervous system has
A.
B.
C.
D.
39.  Marjorie takes an anti-anxiety so that she can sleep better and remain calm enough to study effectively.  She begins by taking 25 milligrams every evening, but within a month, this dose is no longer helping, so she takes two pills.  After another month, this dosage is no longer effective.  This is happening because
A.
B.
C.
D.
40.  The neurotransmitter most likely produced when a person uses a drug that creates a sense of well-being is
A.
B.
C.
D.
41.  A drug that functions as an agonist
A.
B.
C.
D.
42.  The Central Nervous System (CNS) consists of
A.
B.
C.
D.
43.  The epidural space contains
A.
B.
C.
D.
44.  The meninges consist of
A.
B.
C.
D.
45.  Cerebrospinal fluid is
A.
B.
C.
D.
46.  In a subdural hematoma resulting from a blow to the head, blood accumulates between the
A.
B.
C.
D.
47.  An inflammation of the meninges called meningitis usually affects the
A.
B.
C.
D.
48.  The _______ is the thin meninx attached to the surface of the brain, containing many nerves and blood vessels.
A.
B.
C.
D.
49.  The fourth ventricle is in the
A.
B.
C.
D.
50.  Cerebrospinal fluid
A.
B.
C.
D.
51.  The human body secretes about _____________ milliliters of cerebrospinal fluid daily
A.
B.
C.
D.
52.  Cerebrospinal fluid is produced by _______ and it _________.
A.
B.
C.
D.
53.  Which of the following lists the parts of a reflex arc in the correct sequence?
A.
B.
C.
D.
54.  Reflexes help to control
A.
B.
C.
D.
55.  Stephanie is in a car accident, flung from the vehicle andd landing on her back on pavement.  At the scene, an emergency medical technician checks her for Babinski reflex, in which the great toe extends upward and the smaller toes fan apart. This refelx
A.
B.
C.
D.
56.  Gray matter of the spinal cord is mostly composed of
A.
B.
C.
D.
57.  The pattern of gray matter in the spinal cord is divided into
A.
B.
C.
D.
58.  The corticospinal tracts control
A.
B.
C.
D.
59.  The spinasl cord has
A.
B.
C.
D.
60.  All reflexes
A.
B.
C.
D.
61.  The simplest level of CNS function is the 
A.
B.
C.
D.
62.  Over the course of several months, Morris has experienced difficulty speaking coherently, clumsiness, muscle fasciculations, and increasing weakness in his limbs.  These symptoms are most consistent with those of
A.
B.
C.
D.
63.  The part of the brain that coordinates voluntary muscular movements is the
A.
B.
C.
D.
64.  Over the course of several months, Morris has experienced difficulty speaking coherently, clumsiness, muscle fasciculations, and increasing weakness in his limbs. These symptoms are most consistent with those of:
A.
B.
C.
D.
65.  The part of the brain that coordinates voluntary muscular movements is the
A.
B.
C.
D.
66.  Which of the following is a major portion of the diencephalon?
A.
B.
C.
D.
67.  The complex network of tiny islands of gray matter in the brain, that upon recieving incoming sensory impulses responds by activating wakefulness in the cerebral cortex, is the
A.
B.
C.
D.
68.  A soldier suffers a brain injury, and becomes unable to speak. The damage is likely in
A.
B.
C.
D.
69.  The function of the cerebral association areas is
A.
B.
C.
D.
70.  Which lobe of your brain are you using when you answer this question?
A.
B.
C.
D.
71.  Which of the following is not a part of the diencephalon?
A.
B.
C.
D.
72.  Which of the following parts of the mature brain develops from the forebrain?
A.
B.
C.
D.
73.  The __________ seperates the cerebrum from the cerebellum.
A.
B.
C.
D.
74.  Which of the following is not a function of the hypothalamus?
A.
B.
C.
D.
75.  Spina bifida is a(n)
A.
B.
C.
D.
76.  Aphasia is loss of the ability to
77.  Interruption of blood flow to the brain that can damage the cerebrum is called a
A.
B.
C.
D.
78.  Injury to the visual cortex of the right occipital lobe can cause
A.
B.
C.
D.
79.  If the general interpretative area of the dominant hemisphere is damaged i a child, the
A.
B.
C.
D.
80.  Brain waves are recordings of activity in the
A.
B.
C.
D.
81.  Basal ganglia are located in the ______ and ______.
A.
B.
C.
D.
82.  If the reticular formation is injured, the person might exhibit signs of
A.
B.
C.
D.
83.  The part of the brain that assigns value to a memory is the
A.
B.
C.
D.
84.  Dopamine is secreted by the ______ and is deficient in ______ disease.
A.
B.
C.
D.
85.  The pherenic nerves arise from the
A.
B.
C.
D.
86.  The area of skin that sensory nerve fibers of a partiular spinal nerve innervate is called a
A.
B.
C.
D.
87.  The somatic nervous system consists of nerve fibers that connect the CNS to the ______, whereas the autonomic nervous system consists of fibers that connect the ______.
A.
B.
C.
D.
88.  Which of the following are generally adrenergic fibers?
A.
B.
C.
D.
89.  Bob witnesses and auto accident and impulses from the ________ division of the autonomic nervous system increases his heart rate.
A.
B.
C.
D.
90.  The drug atropine influences the autonomic nervous system by
A.
B.
C.
D.
91.  Aging of the brain begins
A.
B.
C.
D.
92.  Over a lifetime, the brain shrinks by about __ percent.
A.
B.
C.
D.
93.  Symptoms of concussion include all except
A.
B.
C.
D.
94.  A lumbar puncture is
A.
B.
C.
D.
95.  In spastic paralysis
A.
B.
C.
D.
96.  A traumatic brain injury (TBI) results from
A.
B.
C.
D.
97.  The part of the brain that is overactive in post traumatic stress disorder is the
A.
B.
C.
D.
98.  Melinda has Parkinson disease.  Her movements are slowing and she has difficulty initiating voluntary muscular actions.  The region that is affected in her brain is the
A.
B.
C.
D.
99.  Brain waves during sleep are ______ waves
A.
B.