Chapter Thirteen Practice Questions

________ are chambers within the brain that contain cerebrospinal fluid.

Ventricles

Which of the cranial nerves is named for the fact that it "wanders," that is, innervates structures throughout the thorax and abdomen? A) VIII B) IX C) X D) XI E) XII

X

The neural tissue is isolated from the general circulation by the

blood-brain barrier

________ is the term used to describe the crossing over of a tract to the side of the nervous system opposite to where the axons originated.

Decussation

As you ascend from the medulla oblongata to the cerebrum, the functions of each successive level become A) more complex. B) simpler. C) better understood. D) less crucial to visceral functions. E) both more complex and less crucial to visceral functions.

both more complex and less crucial to visceral functions.

A cortex is found on the surface of both the

cerebellum and cerebral hemispheres.

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

cerebellum.

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

cerebral aqueduct.

Descending nerve fiber bundles on the ventrolateral surface of the midbrain are the

cerebral peduncles.

The highest levels of information processing occur in the A) cerebrum. B) diencephalon. C) cerebellum. D) medulla oblongata. E) corpus callosum.

cerebrum.

The dural sinuses are located in the

dural folds.

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

interventricular foramen.

The shallow folds of the surface of the cerebellum are called

folia.

A tract of white matter found in the limbic system that connects the hippocampus with the hypothalamus is the

fornix.

The ventricle associated with the pons and upper medulla is the

fourth

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

functions in maintaining homeostasis in cold weather

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

hypothalamus

The floor of the diencephalon is formed by the

hypothalamus.

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

medulla oblongata.

The cardiovascular reflexes are based in the

medulla oblongata.

The control of heart rate and blood pressure is based in the

medulla oblongata.

The tract that links the cerebellum with the pons is the

middle cerebellar peduncle

Which of the following is not found in the medulla oblongata?

nuclei for CN V, VI, and VII.

The visual cortex is located in the A) frontal lobe. B) parietal lobe. C) temporal lobe. D) occipital lobe. E) insula.

occipital lobe.

Damage to the ________ nerve would result in near paralysis of the eye. A) optic B) oculomotor C) trochlear D) olfactory E) abducens

oculomotor

Droopy eyelids and double vision can result from injury to the ________ nerve. A) optic B) oculomotor C) trochlear D) olfactory E) abducens

oculomotor

Olfactory receptors send axons through the cribriform plate and synapse on neurons in the A) medulla. B) thalamus. C) cerebral cortex. D) olfactory bulb. E) olfactory tract.

olfactory bulb.

The superior colliculi receive visual input from the lateral geniculate nuclei via the

optic tract.

Damage to the somatic motor association area of the frontal lobe would interfere with the ability to

play the piano.

The tracts that connect the cerebellum to the brainstem are located in the

pons

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

prosencephalon

The basal nuclei

provide the general pattern and rhythm for movements such as walking.

Which of the following hypothalamic functions is incorrect?

regulate lactation — preoptic region

The midbrain contains the headquarters of the ________, a specialized component of the reticular formation that controls alertness and attention.

reticular activating system

What contains a spider web-like network of cells and fibers through which cerebrospinal fluid flows?

subarachnoid space

Examination of a tissue sample from the central nervous system reveals many darkly pigmented cells. This tissue probably came from the

substantia nigra.

The tectum of the midbrain contains the

superior and inferior colliculi.

Cerebrospinal fluid enters the blood circulation at the

superior sagittal sinus.

Which of these is mismatched with its location?

superior sagittal sinus; runs along superior edge of the corpus callosum

Which of the following is incorrect?

suprachiasmatic nuclei — secretes ADH

Damage to the corpora quadrigemina would interfere with

visual and auditory reflex movements of the head and neck.

There are ________ pairs of cranial nerves. A) 2 B) 6 C) 12 D) 22 E) 31

12

The choroid plexuses produces CSF at a rate of about

500 mL/day

The adult human brain contains almost ________ of the body's neural tissue.

97 percent

________ is a temporary cerebral disorder accompanied by abnormal movements, unusual sensations, and/or inappropriate behavior. A) Dyslexia B) Apraxia C) Aphasia D) Parkinson's disease E) A seizure

A seizure

If the corpus callosum is surgically cut, which of the following is not true? A) The two cerebral hemispheres operate independently. B) Objects viewed by the left eye can be verbally identified. C) Objects touched by the left hand could be recognized but not verbally identified. D) Conscious decisions are made without regard to sensations from the left side. E) Faces seen by the left eye cannot be identified.

Faces seen by the left eye cannot be identified.

The cranial nerves that innervate the eye muscles are A) I, II, and III. B) III, IV, and VI. C) II, III, and IV. D) II and VI. E) III and V.

III, IV, and VI.

Gustatory information reaches the brain by way of cranial nerve

IX.

________ centers receive information from many association areas and direct extremely complex motor activities such as speech. A) Frontal B) Integrative C) Communication D) Terminal E) Vocal

Integrative

A person with a damaged visual association area may be

able to see letters but unable to associate them into words.

The general interpretive area

allows us to interpret what is read or heard.

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

amygdaloid body

Jane suffers from chronic seizures and in order to control the problem undergoes surgery in which the fibers of the corpus callosum are cut. As a result of this surgery she would likely be unable to A) speak. B) move her left arm. C) analyze by touch an object in her right hand. D) recognize written words. E) touch her nose with her eyes closed.

analyze by touch an object in her right hand.

The white matter of the cerebellum forms a branching array called the

arbor vitae.

The white matter of the cerebellum forms the

arbor vitae.

White matter fibers that pass from one gyrus to the adjacent gyrus are called A) arcuate fibers. B) longitudinal fasciculi. C) association fibers. D) commissural fibers. E) projection fibers.

arcuate fibers.

The anterior nuclei of the thalamus

are part of the limbic system.

All of the following are properly paired except

ascending tracts - carry motor information to the thalamus

Cortical regions that interpret sensory information or coordinate motor responses are called ________ areas. A) commissural B) sensory C) association D) somesthetic E) processing

association

Cortical regions that interpret sensory information or coordinate motor responses are called A) lobes. B) cortices. C) hemispheres. D) association areas. E) primary motor areas.

association areas.

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

astrocytes.

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

basal nuclei.

The corpus callosum is composed of

commissural fibers.

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

controls feeding reflexes like swallowing and licking

Which of the following is improperly paired?

corpus callosum — thick tract of gray matter that connects the two cerebral hemispheres

Which of the following lies between the cerebrum and the brainstem?

diencephalon

Which of the following is improperly paired?

diencephalon — becomes the ventricle

A(n) ________ is a printed record of the brain's electrical activity over a period of time. A) electrocardiogram B) electroencephalogram C) X-ray D) MRI E) CT scan

electroencephalogram

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

ependymal

Two large venous sinuses, the sagittal sinuses, lie within a dural fold called the

falx cerebri

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

falx cerebri.

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

globus pallidus

The cerebellum adjusts motor activity in response to all of the following except

gustatory information.

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

hippocampus

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

hippocampus

A patient develops a tumor of a cranial nerve that leads to difficulty in speaking from a loss of tongue movement. Which cranial nerve is affected? A) glossopharyngeal B) hypoglossal C) vagus D) spinal accessory E) trigeminal

hypoglossal

Joe begins to experience mood swings and disturbed thirst and hunger. Imaging studies indicate that a brain tumor is the likely cause of these disorders. In what part of the brain is the tumor most likely located?

hypothalamus

Stimulation of the reticular formation results in

increased consciousness.

Excitation of neurons in the basal nuclei would lead to

increased muscle tone.

The reflex movement of the head toward a loud noise is directed by the midbrain. Which nuclei accomplish this?

inferior colliculi

The medulla oblongata relays auditory information to the

inferior colliculi.

The ________, a narrow stalk, connects the hypothalamus to the pituitary gland.

infundibulum

The region of the cerebral cortex that is medial and deep to the temporal lobe is the A) parietal lobe. B) temporal lobe. C) frontal lobe. D) occipital lobe. E) insula.

insula

The sense of taste projects to the gustatory cortex located in the A) insula. B) temporal lobe. C) frontal lobe. D) prefrontal cortex. E) occipital lobe.

insula.

The medial nuclei of the thalamus

integrate sensory information for relay to the frontal lobes.

Cerebrospinal fluid

is secreted by ependymal cells.

Male brains are typically ________ compared to female brains.

larger

Cerebrospinal fluid enters the subarachnoid space through the

lateral and median apertures.

The optic tracts carry visual information from the retina to the

lateral geniculate nuclei.

The superior border of the temporal lobe is marked by the

lateral sulcus.

In most cases, the general interpretive center and the speech center are located in the A) left cerebellar hemisphere. B) left cerebral hemisphere. C) right cerebellar hemisphere. D) right cerebral hemisphere. E) thalamus.

left cerebral hemisphere.

After suffering a stroke, Mary finds that she cannot move her right arm. This would suggest that the stroke damage is in the area of the ________ lobe. A) right frontal B) left frontal C) right temporal D) left temporal E) occipital

left frontal

The putamen and globus pallidus are considered subdivisions of the

lentiform nucleus

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

lobes

The two cerebral hemispheres are separated by the A) longitudinal fissure. B) central sulcus. C) transverse fissure. D) parieto-occipital sulcus. E) postcentral sulcus.

longitudinal fissure.

The posterior nuclei of the thalamus include all of the following areas except

mammillary bodies.

Sensory innervation of the lower teeth and gums is by the ________ nerve. A) ophthalmic branch of the trigeminal B) maxillary branch of the trigeminal C) mandibular branch of the trigeminal D) glossopharyngeal E) hypoglossal

mandibular branch of the trigeminal

The ________ relay(s) auditory information to the auditory cortex.

medial geniculate nuclei

The region(s) of the cerebral cortex superior to the lateral sulcus is the

parietal lobe and the frontal lobe.

The region(s) of the cerebral cortex superior to the lateral sulcus is the A) parietal lobe. B) temporal lobe. C) frontal lobe. D) occipital lobe. E) parietal lobe and the frontal lobe.

parietal lobe and the frontal lobe.

The cerebral area posterior to the central sulcus is the

parietal lobe.

The layer of the meninges that closely follows every gyrus and sulcus is the

pia mater

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

pia mater

The primary motor cortex is the surface of the A) insula. B) precentral gyrus. C) postcentral gyrus. D) arcuate gyrus. E) corpus callosum.

precentral gyrus.

The region of the brain responsible for predicting the consequence of events or actions is the A) prefrontal cerebral cortex. B) occipital association cortex. C) reticular formation. D) temporal lobe. E) cerebral ganglia.

prefrontal cerebral cortex.

The surface of the postcentral gyrus contains the ________ cortex. A) primary sensory B) primary motor C) visual D) olfactory E) auditory

primary sensory

Which of the following is a function of the thalamus?

processes sensory information and relays it to the cerebrum

The ventral nuclei of the thalamus perform all of the following functions except

projecting visual and auditory information to the visual and auditory cortices.

All of the following are a function of the hypothalamus except

projecting visual information to the visual cortex.

The internal capsule of the cerebrum is composed of A) arcuate fibers. B) longitudinal fasciculi. C) association fibers. D) commissural fibers. E) projection fibers.

projection fibers.

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

provides ATP for impulse transmission

The pons contains all of the following structures except the

pyramids that contain motor tracts originating in the cerebral cortex.

Damage to the superior colliculi would interfere with the reflex ability to

react to a bright light.

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

red nuclei

Damage to the preoptic area of the hypothalamus leads to which problem?

reduced ability to regulate body temperature

The respiratory rhythmicity center is located in the

reflex centers of the medulla oblongata

You suspect your friend has damage to cranial nerve I when he is unable to

smell his food.

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

telencephalon

The auditory cortex is located in the A) frontal lobe. B) parietal lobe. C) temporal lobe. D) occipital lobe. E) insula.

temporal lobe

Sensory information is processed and relayed to the cerebrum by the

thalamus

The ________ filters and relays sensory information to the cerebral cortex.

thalamus

All of the following help(s) to directly protect the brain except

the neural tubes

Difficulties in estimating temporal relationships between events may stem from damage to

the prefrontal cortex.

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? A) trochlear B) trigeminal C) facial D) glossopharyngeal E) hypoglossal

trigeminal

The Roman numeral V indicates the ________ nerve. A) trigeminal B) trochlear C) abduces D) oculomotor E) vestibulocochlear

trigeminal

The cranial nerve that has three major branches is the A) abducens. B) facial. C) vagus. D) trigeminal. E) glossopharyngeal.

trigeminal.

Difficulty in swallowing may be a sign of damage to which cranial nerve(s)? A) vagus B) facial C) glossopharyngeal D) trochlear E) vagus and glossopharyngeal

vagus and glossopharyngeal

Absorption at the arachnoid granulations returns CSF to the

venous circulation

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

vermis.

The Roman numeral VIII indicates the ________ nerve. A) trigeminal B) trochlear C) abducens D) oculomotor E) vestibulocochlear

vestibulocochlear

After suffering a blow to the back of the head, Phil loses his vision. The blow probably caused damage to the A) prefrontal cortex. B) postcentral gyrus. C) Wernicke's area. D) Broca's area. E) visual cortex.

visual cortex

Which of the following symptoms would you associate with damage to the spinal accessory nerve? A) loss of the sense of taste B) tooth pain C) weakness of the sternocleidomastoid muscle D) lack of facial expression E) dry mouth from lack of saliva

weakness of the sternocleidomastoid muscle