Chapter 14 Flashcards

1
Q
What is the function of the midbrain?
	 conscious thought
	 coordination of complex motor patterns
	 relays sensory information to the thalamus
	 processes visual data
A

processes visual data

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2
Q
What is the function of the cerebrum?
	 processes visual data
	 conscious thought
	 coordination of complex motor patterns
         relays sensory information to the thalamus
A

conscious thought

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3
Q
What is the function of the pons?
	 conscious thought
	 processing visual data
	 relaying sensory information to the thalamus
	 coordination of complex motor patterns
A

relaying sensory information to the thalamus

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4
Q
What is the function of the cerebellum?
	 processes visual data
	 relays sensory information to the thalamus
	 coordination of complex motor patterns
	 conscious thought
A

coordination of complex motor patterns

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5
Q
The adult human brain contains almost \_\_\_\_\_\_\_\_ of the body's neural tissue.
	 35 percent
	 68 percent
	 15 percent
	 97 percent
	 25 percent
A

97 percent

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6
Q
Autonomic centers that control blood pressure, heart rate, and digestion are located in the
	 diencephalon.
	 cerebellum.
	 mesencephalon.
	 medulla oblongata.
	 pons.
A

medulla oblongata.

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7
Q
Sensory information is processed and relayed to the cerebrum by the
	 thalamus.
	 cerebellum.
	 midbrain.
	 medulla oblongata.
	 pons.
A

thalamus

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8
Q
The \_\_\_\_\_\_\_\_ provides the principal link between the nervous and endocrine systems.
	 pons
	 hypothalamus
	 medulla oblongata
	 cerebrum
	 cerebellum
A

hypothalamus

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9
Q
The CSF leaves the CNS and enters the circulation at the \_\_\_\_\_\_\_\_\_\_.
	 pia mater
	 arachnoid trabeculae
	 arachnoid granulations
	 denticular ligaments
A

arachnoid granulations

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10
Q

Which of these is not a property of cerebrospinal fluid (CSF)?
It is produced at the arachnoid granulations.
It protects the brain and spinal cord.
It supports the brain.
It circulates in the subarachnoid space.

A

It is produced at the arachnoid granulations.

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11
Q
Specialized \_\_\_\_\_\_\_\_ cells form the secretory component of the choroid plexus.
	 epididymal
	 ependymal
	 blood
	 astrocytes
	 appended
A

ependymal

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12
Q

Which of the following is a property of the blood-brain barrier?
It is absent in portions of the hypothalamus.
Astrocytes surround the CNS capillaries.
It is generally permeable to lipid-soluble compounds.
The capillary endothelial cells are interconnected by tight junctions.
All of the answers are correct.

A

All of the answers are correct.

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13
Q

Cerebrospinal fluid
is formed by a passive process.
contains blood cells and blood plasma.
is normally produced twice as fast as it is removed.
has almost the same composition as blood plasma.
is secreted by ependymal cells.

A

is secreted by ependymal cells.

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14
Q
Cerebrospinal fluid enters the subarachnoid space through the
	 lateral and median apertures.
	 interventricular foramina.
	 aqueduct of Sylvius.
	 falx cerebri.
	 dural sinus.
A

lateral and median apertures.

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15
Q
Which of the following help to protect the brain?
	 the blood-brain barrier
	 the bones of the skull
	 the CSF
	 the cranial meninges
	 All of the answers are correct.
A

All of the answers are correct.

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16
Q
What contains a spider web-like network of cells and fibers through which cerebrospinal fluid flows?
	 subarachnoid space
	 dural sinus
	 pia mater
	 falx cerebri
	 subdural space
A

subarachnoid space

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17
Q

Ependymal cells work to

1. adjust the composition of CSF.
2. surround the capillaries of the choroid plexus.
3. secrete CSF into the ventricles.
4. remove waste products from CSF.
5. All of the answers are correct.
A
  1. All of the answers are correct.
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18
Q
The choroid plexus produces CSF at a rate of about
	 250 mL/day.
	 50 mL/day.
	 1000 mL/day.
	 150 mL/day.
	 500 mL/day.
A

500 mL/day.

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19
Q

Which of the following is not a function of cerebrospinal fluid?
provides buoyant support for the brain
acts as a transport medium for nutrients
provides cushioning for delicate neural tissues
acts as a transport medium for waste products
provides ATP for impulse transmission

A

provides ATP for impulse transmission

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20
Q
The cells that cover the outer surfaces of CNS capillary endothelial cells are the
	 astrocytes.
	 leukocytes.
	 lymphocytes.
	 monocytes.
	 blastocytes.
A

astrocytes.

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21
Q
The center in the medulla oblongata where the first synapse in the auditory pathway is made is the \_\_\_\_\_\_\_\_\_\_.
	 vestibular nucleus
	 cochlear nucleus
	 reticular formation
	 posterior column nucleus
A

cochlear nucleus

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22
Q
The control of heart rate and blood pressure is based in the
	 cerebellum.
	 cerebrum.
	 diencephalon.
	 medulla oblongata.
	 heart.
A

medulla oblongata.

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23
Q
The respiratory rhythmicity center is located in
	 the cerebellum.
	 the medulla oblongata.
	 the cerebrum.
	 the pons.
	 the midbrain.
A

the medulla oblongata.

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24
Q
The cardiovascular reflexes are based in the
	 cerebellum.
	 cerebrum.
	 medulla oblongata.
	 spinal cord.
	 mesencephalon.
A

medulla oblongata.

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25
Q
Which of these is found in the pons?
	 respiratory control nuclei
	 tracts to the cerebellum
	 nuclei for four cranial nerves
	 All of these are found in the pons.
A

All of these are found in the pons.

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26
Q
Making rapid postural adjustments is a major function of the \_\_\_\_\_\_\_\_\_\_.
	 diencephalons
	 cerebrum
	 cerebellum
	 medulla oblongata
A

cerebellum

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27
Q
The tract that links the cerebellum with the pons is the
	 obverse fibers.
	 superior cerebellar peduncle.
	 longitudinal fibers.
	 inferior cerebellar peduncle.
	 middle cerebellar peduncle.
A

middle cerebellar peduncle.

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28
Q
The cerebellar hemispheres are separated by a band of cortex called the
	 pyramid.
	 arbor vitae.
	 folia.
	 flocculonodular lobe.
	 vermis.
A

vermis.

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29
Q
The white matter of the cerebellum forms the
	 flocculonodular lobe.
	 pyramid.
	 vermis.
	 arbor vitae.
	 folia.
A

arbor vitae.

30
Q
The presence of many large, highly-branched Purkinje cells in a sample of brain tissue indicates that it came from the
	 medulla.
	 cerebellar cortex.
	 arbor vitae.
	 cerebral cortex.
	 pons.
A

cerebellar cortex.

31
Q
Injury to this center in the mesencephalon may lead to Parkinson's disease.
	 substantia nigra
	 superior colliculi
	 mamillary bodies
	 red nuclei
A

substantia nigra

32
Q
Stimulation of the reticular formation results in
	 sleep.
	 coughing.
	 decreased cerebral function.
	 increased consciousness.
	 coma.
A

increased consciousness.

33
Q
The medulla oblongata relays auditory information to the
	 inferior colliculi.
	 superior colliculi.
	 substantia nigra.
	 red nuclei.
	 cerebral peduncles.
A

inferior colliculi.

34
Q
The \_\_\_\_\_\_\_\_ receive visual input from the lateral geniculates.
	 red nuclei
	 inferior colliculi
	 superior colliculi
	 substantia nigra
	 cerebral peduncles
A

superior colliculi

35
Q
Damage to the superior colliculi would interfere with the reflex ability to
	 express rage.
	 react to loud noises.
	 maintain proper posture.
	 voluntarily move the arm.
	 react to a bright light.
A

react to a bright light.

36
Q
Which structure connects the left and right cerebral hemispheres?
	 mamillary body
	 fornix
	 optic chiasm
	 corpus callosum
A

corpus callosum

37
Q
What structure secretes the hormone melatonin?
	 pineal gland
	 choroid plexus
	 infundibulum
	 septum pellucidum
A

pineal gland

38
Q
Which of the following structures is part of the limbic system?
	 fornix
	 infundibulum
	 pineal gland
	 choroid plexus
A

fornix

39
Q

Which of the following is a function of the diencephalon?
to process and transmit sensory information
to secrete CSF
to regulate body temperature
All of these are functions of the diencephalon.

A

to regulate body temperature

40
Q
Which of the following is a function of the hypothalamus?
	 controls autonomic centers
	 regulates body temperature
	 produces ADH
	 secretes oxytocin
	 All of the answers are correct.
A

All of the answers are correct.

41
Q
What contains a spider web-like network of cells and fibers through which cerebrospinal fluid flows?
	 subarachnoid space
	 dural sinus
	 pia mater
	 falx cerebri
	 subdural space
A

subarachnoid space

42
Q

Which of the following is (are) true of the epithalamus?
processes sensory information and relays it to the cerebrum
contains the mamillary body
forms the cerebrum
forms the roof of the diencephalon
creates the lateral ventricles

A

forms the roof of the diencephalon

43
Q
The optic tracts carry visual information from the retina to the
	 pulvinar.
	 lateral geniculates.
	 paraventricular nuclei.
	 supraoptic nuclei.
	 medial geniculates.
A

lateral geniculates.

44
Q

Which of the following is a function of the thalamus?
process sensory information and relay it to the cerebrum
secrete cerebrospinal fluid
store memories
secrete melatonin
regulate food intake

A

process sensory information and relay it to the cerebrum

45
Q
The \_\_\_\_\_\_\_\_ relay auditory information to the auditory cortex.
	 medial geniculates
	 lateral geniculates
	 paraventricular nuclei
	 supraoptic nuclei
	 pulvinar
A

medial geniculates

46
Q
The mamillary bodies of the hypothalamus
	 control feeding reflexes.
	 secrete oxytocin.
	 secrete antidiuretic hormone.
	 control heart rate and blood pressure.
	 regulate lactation.
A

control feeding reflexes.

47
Q
The \_\_\_\_\_\_\_\_ filters and relays sensory information to cerebral cortex.
	 pons
	 cerebellum
	 medulla oblongata
	 thalamus
	 cerebrum
A

thalamus

48
Q

Which of these is not a property of the limbic system?
It includes the hippocampus.
It regulates body temperature.
It is central to our ability to experience emotions.
It is important in learning and memory.

A

It regulates body temperature.

49
Q
Which of the following is not a component of the limbic system?
	 fornix
	 globus pallidus
	 cingulate gyrus
	 amygdaloid body
A

globus pallidus

50
Q
The \_\_\_\_\_\_\_\_ is important in storage and recall of new long-term memories.
	 hippocampus
	 fornix
	 cingulate gyrus
	 mamillary bodies
	 amygdaloid body
A

hippocampus

51
Q
The region of cerebrum anterior to the central sulcus is the \_\_\_\_\_\_\_\_\_\_ lobe.
	 frontal
	 temporal
	 parietal
	 occipital
A

frontal

52
Q
The primary somatosensory cortex is found on the \_\_\_\_\_\_\_\_\_\_.
	 cingulate gyrus
	 postcentral gyrus
	 precentral gyrus
	 frontal lobe
A

postcentral gyrus

53
Q
The cerebrum is divided into two hemispheres by the \_\_\_\_\_\_\_\_\_\_.
	 sagittal sulcus
	 sagittal sinus
	 longitudinal fissure
	 central sulcus
A

longitudinal fissure

54
Q
The primary motor cortex is the surface of the
	 precentral gyrus.
	 postcentral gyrus.
	 corpus callosum.
	 insula.
	 arcuate gyrus.
A

precentral gyrus.

55
Q
The corpus callosum is composed of
	 projection fibers.
	 association fibers.
	 arcuate fibers.
	 longitudinal fasciculi.
	 commissural fibers.
A

commissural fibers.

56
Q
The visual cortex is located in the
	 temporal lobe.
	 frontal lobe.
	 parietal lobe.
	 occipital lobe.
	 insula.
A

occipital lobe.

57
Q
The auditory cortex is located in the
	 occipital lobe.
	 temporal lobe.
	 frontal lobe.
	 insula.
	 parietal lobe.
A

temporal lobe.

58
Q

Parkinson’s disease is the result of
decreased levels of acetylcholine from neurons in the substantia nigra.
inadequate production of GABA by neurons in the basal nuclei.
weak response of the red nuclei of the mesencephalon.
hyperactivity of the limbic system.
inadequate production of dopamine by substantia nigra neurons.

A

inadequate production of dopamine by substantia nigra neurons.

59
Q

The general interpretive area
may be damaged by even a small stroke.
is the speech center of the brain.
is the site of long-term memory storage.
is responsible for predicting future consequences.
allows us to interpret what is read or heard.

A

allows us to interpret what is read or heard.

60
Q

If the corpus callosum is surgically cut,
conscious decisions are made without regard to sensations from the left side.
objects touched by the left hand can be recognized but not verbally identified.
symptoms of the “disconnection syndrome” appear.
the two cerebral hemispheres operate independently.
All of the answers are correct.

A

All of the answers are correct.

61
Q
Integrative centers concerned with the performance of complex processes are restricted to either the left or the right hemisphere. These complex processes include
	 understanding spatial relationships.
	 mathematical computation.
	 writing.
	 speech.
	 All of the answers are correct.
A

All of the answers are correct.

62
Q
A(n) \_\_\_\_\_\_\_\_ is a printed record of the brain's electrical activity over a period of time.
	 electroencephalogram
	 electrocardiogram
	 CT scan
	 MRI
	 x-ray
A

electroencephalogram

63
Q
\_\_\_\_\_\_\_\_ is a disorder affecting the ability to speak or read.
	 Dysphagia
	 Apraxia
	 Ataxia
	 Bell's palsy
	 Aphasia
A

Aphasia

64
Q
Which of these electroencephalogram (EEG) waveforms is characteristic of a resting, healthy adult?
	 beta waves
	 delta waves
	 alpha waves
	 theta waves
A

alpha waves

65
Q
There are \_\_\_\_\_\_\_\_ pairs of cranial nerves.
	 31
	 6
	 2
	 12
	 22
A

12

66
Q
Droopy eyelids and double vision can result from injury to the \_\_\_\_\_\_\_\_ nerve.
	 optic
	 olfactory
	 abducens
	 trochlear
	 oculomotor
A

oculomotor

67
Q
The cranial nerves that innervate the eye muscles are
	 II, III, and IV.
	 II and VI.
	 I, II, and III.
	 III and V.
	 III, IV, and VI.
A

III, IV, and VI.

68
Q
The cranial nerve that has three major branches is the
	 trigeminal.
	 facial.
	 glossopharyngeal.
	 vagus.
	 abducens.
A

trigeminal.

69
Q
Which sensation(s) does the vestibulocochlear nerve carry?
	 hearing and equilibrium
	 equilibrium
	 atmospheric pressure
	 hearing
	 hearing, equilibrium, and taste
A

hearing and equilibrium

70
Q
You suspect your friend has damage to cranial nerve I when he is unable to
	 nod his head.
	 smell his food.
	 blink his eyes.
	 smile.
	 hear your voice.
A

smell his food.

71
Q

The tympanic reflex
causes the eyes to move in the opposite direction of a rotational movement of the head.
causes the pupil of the eye to constrict when subjected to a bright light.
restricts the movement of auditory ossicles.
produces rapid blinking when something comes into contact with the cornea.
triggers a blink in response to sudden noises.

A

restricts the movement of auditory ossicles.

72
Q
Which part of the mesencephalon coordinates reflex eye movements?
	 red nuclei
	 substantia nigra
	 mamillary bodies
	 superior colliculi
A

superior colliculi