BIO 1011 Anatomy and Physiology WEEK 9 QUIZ | 60 Questions & Answers Score 100% | South University
These are the automatically computed results of your exam. Grades for essay questions, and comments from your instr
...
BIO 1011 Anatomy and Physiology WEEK 9 QUIZ | 60 Questions & Answers Score 100% | South University
These are the automatically computed results of your exam. Grades for essay questions, and comments from your instructor, are in the "Details" section below.
Grade Details - All Questions
Student Answer: True False
5. Question : At the optic chiasm
Student Answer: axons from the retinae synapse on those from the other half.
axons from the temporal halves of each retina cross. axons from the nasal halves of each retina cross. both A and C
both B and C
6. Question : Damage to the preoptic area of the hypothalamus leads to which
problem?
Student Answer: production of a large volume of urine an intense thirst
an insatiable appetite
reduced ability to regulate body temperature an uncontrolled sex drive
7. Question : In relation to the medial and lateral pathways, the pathway
controls movements of trunk and limb muscles.
Student Answer: lateral; precise; distal medial; fine; distal lateral; gross; distal medial; gross; distal medial; gross; proximal
8. Question : Cerebrospinal fluid enters the subarachnoid space through the Student Answer: falx cerebri.
interventricular foramina. dural sinus.
lateral and median apertures. aqueduct of Sylvius.
Points Received: 1 of 1
Comments:
9. Question : The corpus callosum is composed of Student Answer: commissural fibers.
arcuate fibers. association fibers. longitudinal fasciculi. projection fibers.
10. Question : The adult human brain contains almost of the body's neural
tissue.
Student Answer: 25 percent 68 percent
15 percent
97 percent
none of the above
11. Question : The dural sinuses are located in the Student Answer: pia mater.
tentorium cerebelli. paranasal cavity. dural folds. arachnoid.
12. Question : There are pairs of cranial nerves. Student Answer: 6
2
12
22
31
13. Question :
Figure 14-1 The Circulation of Cerebrospinal Fluid
Use Figure 14-1 to answer the following questions:
What is produced by the structure labeled "2"?
Student Answer: white matter
neurotransmitters cerebrospinal fluid hormones
B and D
Comments:
14. Question : Which of the following lies between the cerebrum and the brain stem?
Student Answer: medulla oblongata diencephalon mesencephalon pons
cerebellum
15. Question :
Figure 15-2 The Corticospinal Pathway Use Figure 15-2 to answer the following questions: What occurs in this neural pathway at label "3"?
Student Answer: decussation autonomic reflexes synapse
communication between sensory and motor neurons amplification of motor signals
16. Question : A receptor potential may
Student Answer: be a hyperpolarization. be a depolarization.
decrease neurotransmitter release. increase neurotransmitter release. be any of the above
17. Question : Examples of sensory modalities include Student Answer: smell.
warmth. vibration. touch.
all of the above
18. Question : The corticospinal system is often referred to as the
Student Answer: pyramidal system. spinothalamic tracts. red nucleus. medullary centers. reticular formation.
19. Question : The cerebellum adjusts motor activity in response to all of the following,
except
Student Answer: input from proprioceptors. touch sensations.
visual information.
equilibrium-related sensations. input from the motor cortex.
20. Question : Integrative centers concerned with the performance of complex
processes are restricted to either the left or the right hemisphere. These complex processes include
Student Answer: mathematical computation. speech.
understanding spatial relationships. writing.
all of the above
21. Question : The anterior nuclei of the thalamus
Student Answer: receive axon collaterals from the optic nerve.
secrete melatonin.
are part of the limbic system. secrete pituitary hormones. both B and C
22. Question : Damage to the corpora quadrigemina would interfere with
Student Answer: visual and auditory reflex movements of the head and neck.
conscious control of skeletal muscles. regulation of body temperature. control of autonomic function.
control of breathing.
23. Question : Which ascending tract carries the sensations for fine touch and
vibration?
Student Answer: corticospinal
posterior (dorsal) column corticobulbar spinothalamic
both C and D
24. Question : A person with a damaged visual association area may be
Student Answer: unable to understand spoken words.
unable to recognize letters but able to identify whole words and their meanings.
able to see letters but unable to associate them into words. declared legally blind.
unable to see rows of letters.
25. Question : During embryonic development, which of the following secondary brain vesicles will form the cerebrum?
Student Answer: metencephalon diencephalon telencephalon myelencephalon mesencephalon
26. Question : Damage to the premotor cortex of the frontal lobe would interfere with
the ability to
Student Answer: understand spoken words. understand visual images. sense the texture of velvet. play the piano.
understand written words.
27. Question : Cerebrospinal fluid
Student Answer: is formed by a passive process. is secreted by ependymal cells.
is normally produced twice as fast as it is removed. has almost the same composition as blood plasma. both B and D
Points Received: 1 of 1
Comments:
28. Question : Thalamic neurons that project to the primary sensory cortex are
neurons.
Student Answer: receptor first-order
second-order third-order fourth-order
29. Question : Epileptic seizures that resist drug treatment are sometimes treated by
surgically cutting through the corpus callosum.
Student Answer: True False
30. Question : Mechanoreceptors might detect which of the following sensations?
Student Answer: touch
muscle length pressure vibration
all of the above
31. Question : The provides the principal link between the nervous and
endocrine systems.
Student Answer: pons hypothalamus medulla oblongata cerebellum cerebrum
32. Question : The is located at the tip of the tail of the caudate nucleus. Student Answer: amygdaloid body
putamen globus pallidus corpus striatum claustrum
33. Question : Jean needs to have a tooth in her mandible filled. Her dentist injects a
local anesthetic to block pain afferents in one of her cranial nerves. What cranial nerve does the dentist numb?
Student Answer: hypoglossal trigeminal glossopharyngeal trochlear
facial
34. Question : The medial nuclei of the thalamus
Student Answer: process olfactory information. produce the hormone oxytocin. process visual information.
are part of the limbic system.
connect emotional centers in the hypothalamus with the frontal lobe.
35. Question : A sensory receptor characterized peripherally as a free nerve ending
and centrally uses glutamate and-or substance P as neurotransmitters, would most likely be a
Student Answer: nociceptor. thermoreceptor. free receptor. mechanoreceptor. chemoreceptor.
36. Question : Which of the following is a function of the hypothalamus? Student Answer: secretes oxytocin
produces ADH
regulates body temperature controls autonomic centers all of the above
37. Question : Cortical regions that interpret sensory information or coordinate motor responses are called areas.
Student Answer: association commissural processing sensory somesthetic
38. Question : Pain receptors are fast-adapting receptors. Student Answer: True
False
39. Question : Absorption at the arachnoid granulations returns CSF to the Student Answer: central canal.
venous circulation. third ventricle. fourth ventricle. arterial circulation.
40. Question : Nerve fiber bundles on the ventrolateral surface of the mesencephalon are the
Student Answer: corpora quadrigemina. superior colliculi. cerebral peduncles. inferior colliculi. tegmenta.
Points Received: 1 of 1
Comments:
41. Question : The thin partition that separates the first and second ventricles is the Student Answer: interventricular foramina.
falx cerebri. septum pellucidum. septum insula. cerebral aqueduct.
42. Question : Tracts of the lateral and medial pathways include all of the following,
except tracts.
Student Answer: vestibulospinal rubrospinal corticospinal tectospinal reticulospinal
43. Question : The two cerebral hemispheres are separated by the Student Answer: central sulcus.
postcentral sulcus. parieto-occipital sulcus. longitudinal fissure. transverse fissure.
44. Question : Which of the following is not a property of the limbic system?
Student Answer: functions in maintaining homeostasis in cold weather
functions in emotions, learning, and memory
located between the border of the cerebrum and diencephalon contains cerebral and diencephalic components
links conscious functions of the cerebral cortex with unconscious functions of the brain stem
45. Question : The descending spinal tract that crosses to the opposite side of the
body within the medulla oblongata is the tract.
Student Answer: lateral corticospinal vestibulospinal reticulospinal rubrospinal
anterior corticospinal
46. Question : Mechanoreceptors that respond to changes in blood pressure are called Student Answer: baroreceptors.
nociceptors. proprioceptors. thermoreceptors. chemoreceptors.
47. Question : The right hemisphere is usually the dominant hemisphere. Student Answer: True
False
48. Question : Within each hemisphere, deep to the floor of the lateral ventricle, you
will find the
Student Answer: anterior commissures. motor association areas. visual cortex.
auditory cortex. basal nuclei.
49. Question : The presence of many large, highly-branched Purkinje cells in a sample of brain tissue indicates that it came from the
Student Answer: cerebral cortex. cerebellar cortex. pons.
medulla. arbor vitae.
50. Question : A brain injury to a patient results in facial paralysis. Which descending
tract is most likely affected?
Student Answer: corticobulbar tract rubrospinal tract corticospinal tract tectospinal tract reticulospinal tract
51. Question : The cerebellum relies on information from
Student Answer: motor commands from upper motor neurons.
the inner ear as movements are under way. the eyes.
proprioceptive sensations. all of the above
52. Question : The regions of the mesencephalon that issue subconscious motor
commands that affect upper limb position and background muscle tone are the
Student Answer: cerebral peduncles. red nuclei.
inferior colliculi. tecta.
superior colliculi.
53. Question : The choroid plexus produces CSF at a rate of about Student Answer: 500 mL-day .
50 mL-day.
250 mL-day.
150 mL-day
1000 mL-day.
54. Question :
Figure 15-1 Spinothalamic Tracts
Use Figure 15-1 to answer the following questions:
Which of the following is true regarding the structure labeled "6"?
1. The synapse occurs between motor neurons.
2. The sensations may be filtered out.
3. The third-order neuron projects to the primary sensory cortex.
4. The third-order neuron's axon is identified.
Student Answer: 3 only 1 and 4
3 and 4
2 only
1 and 3
55. Question : The upper motor neurons of the medial pathway are located within any of the following, except the
Student Answer: superior colliculi. inferior colliculi. reticular formation. vestibular nuclei. mamillary bodies.
56. Question : Axons that decussate between the pyramids of the medulla oblongata
belong to the tracts.
Student Answer: anterior corticospinal rubrospinal vestibulospinal lateral corticospinal reticulospinal
57. Question : What structure is covered by many blood vessels and adheres tightly to the surface of the brain?
Student Answer: pia mater arachnoid cranial plexus choroid plexus dura mater
58. Question : The tracts that connect the cerebellum to the brain stem are located in
the
Student Answer: diencephalon. thalamus.
medulla oblongata.
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