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.
C.
D.
100.  The brain waves most closely associated with associated  with mental activity are
A.
B.
C.
D.
101.  Spinal nerve injury may result from
A.
B.
C.
D.
102.  Consider a basketball player whose heart is racing during the final moments of a game.  With seconds on the clock, she makes a jump shot.  Her excitement is a function of her _________ nervous system, and her movements are a function of her ________ nervous system.
A.
B.
C.
D.
E.
103.  Which is not true about the autonomic nervous system (ANS)?
A.
B.
C.
D.
E.
104.  We lack awareness of many of our bodies' systems for maintaining homeostasis.  The sensations, movements, and secretions of organs such as heart and intestines are governed by the:
A.
B.
105.  Which is not true about the somatic nervous system (SNS)?
A.
B.
C.
D.
E.
106.  The knee jerk reflex (when the quadriceps muscles contract after the patellar tendon is tapped) is the work of the:
A.
B.
107.  The first of the two ANS motor neurons is the _______ neuron.
A.
B.
C.
D.
E.
108.  Postganglionic axons are:
A.
B.
109.  Motor neurons of the __________ nervous system contain more rapidly conducting axons.
A.
B.
110.  Motor neurons of the autonomic nervous system:
A.
B.
C.
D.
111.  Preganglionic axons of the ANS release:
A.
B.
C.
112.  Which statement accurately compares the motor systems of the somatic nervous system (SNS) and autonomic nervous system (ANS)?
A.
B.
C.
D.
113.  The circuitry of the atonomic system allows for control in activation. The characteristic that allows a small number of preganglionic cells to stimulate a large number of postganglionic cells is:
A.
B.
C.
D.
114.  Which is not an effector innervated by the autonomic nervous system?
A.
B.
C.
D.
E.
115.  The two divisions of the autonomic nervous system:
A.
B.
C.
D.
E.
116.  Which division functions to conserve energy and replenish the supply of nutrients?
A.
B.
C.
117.  Which division functions to increase alertness and direct bodily responses in stressful situations?
A.
B.
118.  The "fight-or-flight" system is the ________ nervous system.
A.
B.
C.
119.  Which system has more divergence of preganglionic axons?
A.
B.
120.  Which system has long preganglionic axons and therefore ganglia that are relatively far from the central nervous system?
A.
B.
C.
121.  Which system contains short preganglionic axons that branch extensively?
A.
B.
C.
122.  Which statements are correct concerning the parasympathetic division of the ANS? a. Contains preganglionic cell bodies in brainstem nuclei. b. Contains preganglionic cell bodies in the lateral horns of the T1-T12 regions. c. Participates in the "fight-or-flight" response. d. Contains preganglionic cell bodies in the sacral region of the spinal cord.
A.
B.
C.
D.
E.
123.  The sympathetic division of the ANS has:
A.
B.
C.
D.
E.
124.  Which is not a characteristic of the parasympathetic division of the ANS? 
A.
B.
C.
D.
E.
125.  Which system engages in mass activation?
A.
B.
126.  Which cranial nerves are associated with the parasympathetic division of the ANS? a. III b. IV c. V d. VII e. IX f. X g. XII
A.
B.
C.
D.
127.  The preganglionic axons of the CN III edtend to the ________ ganglion.
A.
B.
C.
D.
E.
128.  The preganglionic axons of the CN VII extend to the:
A.
B.
C.
D.
E.
129.  The glossopharyngeal nerve innervates the:
A.
B.
C.
D.
E.
130.  From which part of the CNS do parasympathetic preganglionic axons of CN VII emerge?
A.
B.
C.
D.
E.
131.  Tear secretions are governed by parasympathetic fibers within which cranial nerve?
A.
B.
C.
D.
E.
132.  The CN that supplies parasympathetic innervation to the thoracic organs is:
A.
B.
C.
D.
E.
133.  The postganglionic parasympathetic fibers that are controlled by pelvic splanchnic nerves innervate: a. large intestine b. reproductive organs c. salivary glands d. pupillary constrictor muscles e. urinary bladder f. ureters
A.
B.
C.
D.
E.
F.
134.  Activation of parasympathetic  fibers in pelvic splanchnic nerves leads to:
A.
B.
135.  Activation  of parasympathetic fibers in pelvic splanchnic nerves leads to:
A.
B.
C.
D.
136.  The CN having multiple terminal and intramural ganglia is:
A.
B.
C.
D.
E.
137.  The sympathetic trunks are located:
A.
B.
C.
D.
E.
138.  The sympathetic trunks are located:
A.
B.
C.
D.
139.  A structure that is said to resemble a pearl necklace is is a:
A.
B.
C.
D.
140.  Postganglionic sympathetic axons are carried from the sympathetic trunk to the spinal nerve by the:
A.
B.
C.
D.
E.
141.  Gray rami from the sympathetic trunk connect to:
A.
B.
C.
D.
142.  The sympathetic postganglionic axons from the superior cervical ganglion innervate: a: sweat glands in the head b: sweat glands in the the palms c: smooth muscle of blood vessels in the head d: smooth muscle of blood vessels in the antebrachial region e: superior tarsal muscle of the eye f: submandibular salivary gland
A.
B.
C.
D.
E.
143.  The sympathetic postganglionic axons from the superior cervical ganglion innervate: a. sweat glands in the head b. sweat glands in the palms c. smooth muscles of blood vessels in the head d. smooth muscles of blood vessels in the antebrachial region e. submndibular salivary gland
A.
B.
C.
D.
E.
144.  Specific prevertebral ganglia are named after the:
A.
B.
C.
D.
E.
145.  Postganglionic axons from the celiac ganglion innervate the:
A.
B.
C.
D.
E.
146.  There are ________ prevetebral ganglia.
A.
B.
C.
D.
E.
147.  The postganglionic axons from the superior mesenteric ganglion innervate:
A.
B.
C.
D.
E.
148.  The prevetebral ganglion that recieves axons that originate in the L1-L2 segments of the spinal cord is the ________ ganglion.
A.
B.
C.
D.
E.
149.  The superior mesenteric ganglion recieces preganglionic sympathetic neurons from the ________ segments of the spinal cord.
A.
B.
C.
D.
E.
150.  Sympathetic splanchnic nerves are composed of:
A.
B.
C.
D.
E.
151.  Which sympathetic pathway involves only a preganglionic axon going to the effector organ?
A.
B.
C.
D.
E.
152.  Which sympathetic pathway involves a preganglionic neuron that synapses with a ganglionic neuron in a sympathetic trunk ganglion, but the postganglionic axon does not leave the trunk via a gray ramus?
A.
B.
C.
D.
E.
153.  The arrector pili muscles recieve their sympathetic innervation via the:
A.
B.
C.
D.
E.
154.  Which sympathetic pathway is responsible for activating the esophagus, heart, lungs, and thoracic blood vessels?
A.
B.
C.
D.
E.
155.  The sympathetic division pathway that results in innervations of the pelvic organs has as its spinal cord segment origin in:
A.
B.
C.
D.
E.
156.  Which autonomic plexus consists of postganglionic sympathetic axons that come off the cervical and thoracic sympathetic trunk ganglia, as well as preganglionic axons from the vagus nerve?
A.
B.
C.
D.
E.
157.  Which autonomic plexus innervates viscera within the pelvic region?
A.
B.
C.
D.
E.
158.  The cardiac sphincter is innervated by parasympathetic axons coming from the ________ plexus.
A.
B.
C.
D.
E.
159.  When norepinephrine is released form varicosities of postganglionic neurons, its targets are:
A.
B.
C.
D.
160.  The sympathetic and parasympathetic systems have ________ effects on heart rate.
A.
B.
C.
D.
161.  Which type of innervation causes reduced blood flow to the digestive tract?
A.
B.
162.  Which may be involved in autonomic reflex?
A.
B.
C.
D.
E.
163.  In the brain, the ________ is the integration and command center for autonomic functions.
A.
B.
C.
D.
E.
164.  The centers for cardiac, digestive, and vasomotor functions are housed within the:
A.
B.
C.
D.
E.
165.  The parasympathetic autonomic responses associated with defecation and urination are processed and controlled at the level of:
A.
B.
C.
D.
E.
166.  Sweat glands and arrector pilli muscles are controlled:
A.
B.
C.
D.
167.  The diameter of many blood vessels is controlled exclusively by the ________ nervous system, and decreases in the activity of this system resulting in ________.
A.
B.
C.
D.
E.
168.  A rise in blood pressure causes a reflexive:
A.
B.
C.
D.
169.  What is the correct order for the parts of the spinal cord, from the superior to inferior?
A.
B.
C.
D.