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Human Anatomy and Physiology I
Practice Test 4
1
The connective tissue membranes that protect the CNS include:
a. Skull
b. Dura mater
c. Arachnoid mater
d. Pia mater
e. More than one answer is correct
2
The principal parts of the brain are?
I Cerebrum
II Cerebellum
III Brain stem
IV Diencephalon
a.
b.
c.
d.
e.
I and II only
I and III only
II and III only
I, II, and III only
I, II, III, and IV
3
__________ lies immediately superior to the medulla oblongata.
a. Fourth ventricle
b. Cerebellum
c. Cerebrum
d. Pons
e. Spinal cord
4
Jimmy is involved in an automobile accident. The paramedics determine that he is
unresponsive to tactile, auditory and visual stimuli. Visual examination of the
chest wall reveals movement although at a much slower rate. Jimmy’s pulse is
weak. What portion of Jimmy’s brain is most active?
a. Midbrain
b. Cerbrum
c. Cerebellum
d. Diencephalon
e. Medulla
5
The following structures are associated with the midbrain except?
a. Cerebral aqueduct
b. Superior colliculi
c. Inferior colliculi
d. Pyramids
e. Cerebral peduncles
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6
The diencephalon consists of :
I Thalamus
II Hypothalamus
III Corporaquadrigermina
a.
b.
c.
d.
e.
7
The body’s thermostat is located in?
a.
b.
c.
d.
e.
8
Thalamus
Hypothalamus
Epithalamus
Pons
Medulla
The hypothalamus
I – Regulates ANS activity
II – Does NOT regulate water balance
III – Controls endocrine system functioning
a.
b.
c.
d.
e.
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I only
II only
III only
I and II only
I, II and III only
I only is correct
I and II only are correct
I and III only are correct
II and III only are correct
I, II and III are correct
The septum pellucidum separates:
a. Left and right cerebral hemispheres
b. Left and right cerebellar hemispheres
c. The two lateral ventricles
d. The third and fourth ventricles
e. The cortex from the cerebellum
10 I – The surface of each cerebral hemisphere is marked by elevated ridges of tissue
called gyri
II – Gyri within each lobe are separated by deep grooves called fissures
III – Shallow grooves called sulci separate large regions of the brain
a. Only I is correct
b. Only II is correct
c. Only III is correct
d. I and II are correct
e. I, II and III are correct
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11 The corpus callosum
I - Consists of projection fibers
II – Connects corresponding gray areas of the two cerebral hemispheres
III – Lies superior to the lateral ventricles
a.
b.
c.
d.
e.
I only is correct
I and II are correct
I and III are correct
II and III are correct
I, II, and III are correct
12 The primary somatic motor cortex is located in:
a. Postcentral gyrus
b. Precentral gyrus
c. Calcarine sulcus
d. Cingulate gyrus
e. Central sulcus
13 Jimmy collides with an opponent during a ball game and is asked to wrap an ice
pack on his left thigh. The sudden temperature change at the site of injury would
be received by neuron in what gyrus?
a. Postcentral gyrus
b. Precentral gyrus
c. Cingulate gyrus
d. Parahippocampal gyrus
e. Dentate gyrus
14 Consider the following statements
I – Both cerebral hemispheres are nearly identical in appearance
II – Each hemisphere is better than the other at certain functions
III – Both hemispheres communicate with each other via communicating fibers
called internal capsule
a. I only is correct
b. II only is correct
c. III only is correct
d. I and II are correct
e. I, II and III are correct
15 You leave the club at night and it is extremely dark. Because you are unable to
see, you use your fingers to isolate your car key from the bundle of keys on your
key chain. Your success in performing this task is most dependent on the integrity
of
a. Primary motor cortex
b. Premotor cortex
c. Primary sensory cortex
d. Sensory association cortex
e. Visual cortex
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16 The cerebellum
I – Consist of five lobes
II – Controls movement
III – Lies superior to the brain stem
a.
b.
c.
d.
e.
I – only is correct
II – only is correct
III – only is correct
I and II are correct
I, II and III are correct
17 Paralysis of the muscles of facial expression would result from damage to which
of the following cranial nerves?
a. I
b. III
c. V
d. VII
e. IX
18 All of the following cranial nerves are mixed EXCEPT:
a. V
b. VII
c. III
d. IX
e. X
19 All of the following statements about the parasympathetic division of the ANS are
true EXCEPT:
a. Conserves body energy
b. Directs vital activities like digestion
c. Prepares fro flight-or-flight
d. Also called the caniosacral division
e. Preganglionic fibers are long
20 Parasympathetic stimulation of the sweat glands will:
a. Cause the secretion of sweat
b. Inhibit the secretion of sweat
c. Produce an effect opposite to sympathetic stimulation
d. Not produce any effect because sweat gland do not have a
parasympathetic innervation
e. Activate receptors sensitive to norepinephrine
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21 What specific fibers would be present in the white rami communicantes?
a. Preganglionic parasympathetic
b. Postganglionic parasympathetic
c. Preganglionic sympathetic
d. Postganglionic sympathetic
e. Preganglionic somatic
22 Atropine is a parasympathetic receptor blocker. What would be the effect on the
salivary gland if this drug were administered to an otherwise healthy individual?
a. The gland will secrete saliva
b. The gland will not secrete saliva
c. The salivary duct will be blocked
d. The gland will be hypersensitive to acetylcholine
e. Sensitivity to acetylcholine will remain unchanged
23 The adrenal medulla:
a. Produces epinephrine
b. Produces norepinephrine
c. Viewed as a misplaced sympathetic ganglia
d. Is stimulated by cholinergic fibers
e. All of the above
24 Visceral reflex arcs consists of all of the following EXCEPT
a. Receptor
b. Sensory neuron
c. Integration center
d. Single-neuron motor unit
e. Effector organ
25 Blindness will result if cranial nerve I is severed.
a. True
b. False
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