Brain

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Which of these is not one of the main divisions of the adult brain?

prosencephalon

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Which of the following lies between the cerebrum and the brain stem?

diencephalon

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The floor of the diencephalon is formed by the

hypothalamus

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The cerebellum and pons develop from the

metencephalon

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Sensory information is processed and relayed to the cerebrum by the

thalamus

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The tracts that connect the cerebellum to the brain stem are located in the

pons

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Autonomic centers that control blood pressure, heart rate, and digestion are located in the

medulla oblongata

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A neural cortex is found on the surface of the

cerebral hemispheres and cerebellum

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The ________ provides the principal link between the nervous and endocrine systems

hypothalamus

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The thin partition that separates the first and second ventricles is the

septum pellucidum

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Each lateral ventricle communicates with the third ventricle through a(n)

interventricular foramen

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The third and fourth ventricles are linked by a slender canal designated as the

mesencephalic aqueduct

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The ventricle associated with the pons and upper medulla is the

fourth

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The dural sinuses are located in the

dural folds

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What structure is covered by many blood vessels and adheres tightly to the surface of the brain?

pia mater

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The dural fold that projects into the longitudinal fissure between cerebral hemispheres is called the

falx cerebri

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What contains a spiderweblike network of cells and fibers through which cerebrospinal fluid flows?

subarachnoid space

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Which of the following is not a function of cerebrospinal fluid?

provides ATP for impulse transmission

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Cerebrospinal fluid

is secreted by ependymal cells

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Absorption at the arachnoid granulations returns CSF to the

venous circulation

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Cerebrospinal fluid enters the subarachnoid space through the

lateral and median apertures.

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Cerebrospinal fluid enters the blood circulation at the

superior sagittal sinus

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Which of the following is a property of the blood-brain barrier?

all of the above

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The nucleus gracilis and nucleus cuneatus

both A and B

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The pons contains

A) sensory and motor nuclei for four cranial nerves. B) nuclei concerned with the control of respiration. C) tracts that link the cerebellum with the brain stem

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Overseeing the postural muscles of the body and making rapid adjustments to maintain balance and equilibrium are functions of the

cerebellum

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The cerebellar hemispheres are separated by a band of cortex called the

vermis

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The white matter of the cerebellum forms the

arbor vitae

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The tract that links the cerebellum with the pons is the

middle cerebellar peduncle

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The medulla oblongata relays auditory information to the

inferior colliculi

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The regions of the mesencephalon that issue subconscious motor commands that affect upper limb position and background muscle tone are the

red nuclei

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Nerve fiber bundles on the ventrolateral surface of the mesencephalon are the

cerebral peduncles

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Which of the following is a property of the mamillary bodies?

all of the above

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Stimulation of the reticular formation results in

increased consciousness

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Which of the following is a function of the thalamus

process sensory information and relay it to the cerebrum

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Which of the following is (are) true of the epithalamus?

A) contains the choroid plexus and pineal gland B) forms the roof of the diencephalon E A and B

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The anterior nuclei of the thalamus

are part of the limbic system

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The medial nuclei of the thalamus

connect emotional centers in the hypothalamus with the frontal lobe

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The ventral nuclei of the thalamus

A) receive input from basal ganglia. B) receive input from cerebellum. C) receive general sensory input

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The posterior nuclei of the thalamus include the

A) pulvinar. B) lateral geniculate. C) medial geniculate

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The optic tracts carry visual information from the retina to the

lateral geniculates

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The ________ relay auditory information to the auditory cortex

medial geniculates

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The ________ integrate(s) sensory information for projection to the cerebral cortex

pulvinar

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Which of the following is a function of the hypothalamus?

all

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The mamillary bodies of the hypothalamus

control feeding reflexes

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The tectum of the mesencephalon contains the

superior and inferior colliculi

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The ________ receive visual input from the lateral geniculates

superior colliculi

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Which of the following is not a component of the limbic system?

globus pallidus

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Which of the following is not a property of the limbic system

functions in maintaining homeostasis in cold weather

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The ________ is important in storage and recall of new long-term memories

hippocampus

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A tract of white matter that connects the hippocampus with the hypothalamus is the

fornix

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The two cerebral hemispheres are separated by the

longitudinal fissure

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Divisions of the cerebral hemispheres that are named after the overlying skull bones are

lobes

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The cerebral area posterior to the central sulcus is the

parietal lobe

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The superior border of the temporal lobe is marked by the

lateral sulcus

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The region of the cerebral cortex superior to the lateral sulcus is the

parietal lobe frontal lobe A and C

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The region of the cerebral cortex that is medial and deep to the temporal lobe is the

insula

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The primary motor cortex is the surface of the

precentral gyrus

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The surface of the postcentral gyrus contains the ________ cortex

primary sensory

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The visual cortex is located in the

occipital lobe

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The auditory cortex is located in the

temporal lobe

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Cortical regions that interpret sensory information or coordinate motor responses are called ________ areas

association

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The region of the brain responsible for predicting the consequence of events or actions is the

prefrontal cerebral cortex

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The sense of taste projects to the gustatory cortex located in the ________ and ________

precentral gyrus; prefrontal cortex.

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The corpus callosum is composed of

commissural fibers

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The internal capsule of the cerebrum is composed of

projection fibers

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Within each hemisphere, deep to the floor of the lateral ventricle, you will find the

basal nuclei

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Which of the following is not one of the basal nuclei?

hippocampus

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The ________ is located at the tip of the tail of the caudate nucleus

amygdaloid body

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The putamen and globus pallidus are frequently considered to be subdivisions of the

lentiform nucleus.

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The cardiovascular reflexes are based in the

medulla oblongata

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The highest levels of information processing occur in the

cerebrum

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Higher-order functions

all

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The basal nuclei

provide the general pattern and rhythm for movements such as walking

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The adult human brain contains almost ________ of the bodyes neural tissue

97 percent

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Male brains are typically ________ compared to female brains

Larger

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The medulla oblongata regulates

blood pressure and respiration

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The ________ filters and relays sensory information to cerebral cortex

thalamus

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During embryonic development, which of the following secondary brain vesicles will form the cerebrum?

telencephalon

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Specialized ________ cells form the secretory component of the choroid plexus.

ependymal

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As you ascend from the medulla oblongata to the cerebrum, the functions of each successive level become

more complex and less crucial to visceral functions

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Which of the following help to protect the brain?

all of the above

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Ependymal cells work to

all

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As CSF circulates, ________ between it and the interstitial fluid of the CNS is unrestricted between and across the ependyma

diffusion

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The cells that cover the outer surfaces of CNS endothelial cells are the

astrocytes

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Which antibiotic enters the CNS without difficulty because it easily crosses the blood-brain barrier?

sulfadiazine

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The respiratory rhythmicity center is located in

the medulla oblongata

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The cerebellum can be permanently damaged by stroke or temporarily affected by drugs or alcohol. The resulting disturbance in motor control is known as

ataxia

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Created by: y2420