WileyPlus Questions Chapter 14 (brain and cranial nerves)

A

A B C D E

longitudinal fissure.

A deep indentation found along the medial plane that separates the right and left cerebral hemispheres is called the longitudinal fissure. corpus callosum. septum pellucidum. tentorium cerebelli. transverse fissure.

consists of axons that conduct nerve impulses to or from the cerebrum

A projection tract is one which: consists of axons that conduct nerve impulses to or from the cerebrum consists of axons that conduct impulses between ipsilateral gyri includes the corpus callosum as an example is also known as a commissural tract

E

B E F C A

internal carotid and vertebral; internal jugular

Blood flows to the brain through the _____ arteries and away from the brain through the _____ vein. external carotid and vertebral; external jugular internal carotid and axillary; internal jugular internal jugular and vertebral; internal carotid external jugular and axillary; external jugular internal carotid and vertebral; internal jugular

choroid plexuses

Cerebral spinal fluid is produced in which structure(s)? choroid plexuses cerebral aqueduct arachnoid villi arachnoid granulation median aperture

blood

Cerebrospinal fluid carries small amounts of chemicals like glucose from the _____ to neurons and neuroglia. intracellular fluid bile arachnoid space blood interstitial fluid

Trigeminal

Cranial nerve V is also known as the _____ nerve. abducens vagus trochlear oculomotor trigeminal

hippocampus

Damage to which portion of the limbic system results in loss of memory of recent events and difficulty committing anything new to memory? cingulate gyrus hippocampus amygdala dentate gyrus septal nuclei

myelencephalon

From which brain vesicle does the medulla oblongata develop? myelencephalon metencephalon mesencephalon diencephalon telencephalon

subarachnoid space

choroid plexus subarachnoid space third ventricle cerebral aqueduct

all of these choices are functions of the cerebellum

Functions of the cerebellum include smooth and coordinate skilled muscle activity detect problems in carrying out voluntary muscle activity and correct them regulation of balance and posture all of these choices are functions of the cerebellum

oxygen and glucose

The brain requires an almost continuous supply of oxygen and fatty acids oxygen and glucose protein and glucose oxygen and protein

occipital

The primary visual area is located in which lobe of the brain? frontal occipital parietal flocculonodular posterior

crossing

The term 'decussation' means: to split in half control of movement a form of sensory input crossing swallowing

all of these choices are correct

The thalamus relays sensory information to correct regions of the cerebral hemispheres relays motor information from the cerebellum and basal ganglia to the cerebrum plays a role in consciousness consists of a pair of oval masses all of these choices are correct

Brain stem

Which of the following brain structures consists of the medulla oblongata, pons and midbrain? Cerebrum Diencephalon Brain stem Dura mater Cerebellum

brain stem.

Which part of the brain is associated with ten of the 12 pairs of cranial nerves? medulla oblongata. pons. midbrain. brain stem. none of these choice is correct.

Epithalalmus

Which region of the brain contains the pineal gland? Hypothalamus Epithalalmus Cerebellum Cerebrum Thalamus

b

Which structure is the pons? a b c d e

white matter protrusions found on the medulla oblongata.

Pyramids are gray matter protrusions found on the medulla oblongata. white matter protrusions found on the medulla oblongata. gray matter protrusions found on the pons. white matter protrusions found on the pons. a network of white and gray matter found in the medulla oblongata.

frontal lobe from the parietal lobe.

The central sulcus of the cerebrum separates the two cerebral hemispheres. frontal lobe from the temporal lobe. temporal lobe from the occipital lobe. frontal lobe from the parietal lobe. parietal lobe from the temporal lobe.

all are correct

The hypothalamus produces hormones plays a major role in regulating homeostasis, visceral activity and temperature regulates certain emotions like rage, sexual arousal, aggression, pain and pleasure regulates eating and drinking behavior all are correct

third ventricle.

The indicated region is the first ventricle. second ventricle. third ventricle. fourth ventricle.

E

The maxillary branch of this labeled cranial nerve is found in the area where dentists apply anesthetic drugs for numbing the upper jaw. I J E G H

superior colliculus

Which area is responsible for the head and eye movement in response to visual stimuli? substantia nigra inferior colliculus superior colliculus thalamus cerebellar peduncles

limbic system

Which component of the brain is referred to as the "emotional brain" as it plays primary role in a wide range of emotions? basal ganglia frontal lobe of the cerebrum corpus callosum limbic system cerebral cortex

M (vagus x)

Which cranial nerve in the diagram causes heart rate to decrease? L H M I J

E

Which cranial nerve in the diagram has a somatic motor function primarily involved in chewing? H G I J E

C

Which cranial nerve in the diagram has an autonomic motor function primarily involved in near vision accommodation and constriction of the pupil? A B C D F

G

Which cranial nerve in the diagram has an autonomic motor function primarily involved in the secretion of saliva and tears? G F C D B

F (Abducens)

Which cranial nerve in the diagram innervates the lateral rectus muscle? E F B C D

B

Which cranial nerve in the diagram is primarily involved in the sense of vision? A B C D E

dural venous sinuses

Which drains venous blood from the brain and delivers it to the internal jugular veins? subdural space subarachnoid venous space dural venous sinuses arachnoid villi lateral ventricles

Falx cerebri

Which extension of the dura mater separates the two hemispheres of the cerebrum? Falx cerebri Falx cerebelli Tentorium cerebelli Tentorium cerebri None of these choices

Arachnoid villi

Which fingerlike projections found in the dural venous sinuses reabsorb cerebrospinal fluid? Lemnisci Choroid plexuses Microvilli Arachnoid villi Dural villi

Blood Calcium Concentration

Which of the following are NOT controlled by the hypothalamus? Blood calcium concentration Hunger Emotional behavior Body temperature Thirst

Choroid plexuses

Which of the following are networks of capillaries that produce cerebrospinal fluid and are found in the walls of the ventricles of the brain? Aqueduct of the midbrain Interventricular foramina Brachial plexuses Choroid plexuses Lateral apertures

Diencephalon

Which of the following brain structures consists of the thalamus, hypothalamus and epithalamus? Dura mater Cerebellum Diencephalon Brain stem Cerebrum

olfactory (I) nerve (cranial nerve I)

Which of the following cranial nerves carries sensory information coming from the nasal cavity to the olfactory area of the cerebrum? trigeminal (V) nerve (cranial nerve V) abducens (VI) nerve (cranial nerve VI) vestibulocochlear (VIII) nerve (cranial nerve VIII) vagus (X) nerve (cranial nerve X) olfactory (I) nerve (cranial nerve I)

oculomotor (III) nerve, trochlear (IV) nerve, and abducens (VI) nerve

Which of the following cranial nerves control movements of the eyeball? Entry field with correct answer optic (II) nerve, oculomotor (III) nerve, and trochlear (IV) nerve vagus (X) nerve, accessory (XI) nerve, and hypoglossal (XII) nerve olfactory (I) nerve, trigeminal (V) nerve, and vagus (X) nerve oculomotor (III) nerve, trochlear (IV) nerve, and abducens (VI) nerve oculomotor (III) nerve, glossopharyngeal (IX) nerve, and trigeminal (V) nerve

Facial

Which of the following cranial nerves is primarily responsible for changing facial expressions? Spinal accessory Facial Vagus Oculomotor Trigeminal

Vagus

Which of the following cranial nerves is responsible for regulating visceral activity? Trigeminal Facial Spinal accessory Vagus Oculomotor

Primary motor area

Which of the following functional areas of the cerebrum is responsible for conscious movements of the body? Broca's area Primary visual area Primary somatosensory area Somatosensory association area Primary motor area

Primary somatosensory area

Which of the following functional areas of the cerebrum is responsible for sensing body touch and temperature? Entry field with correct answer Prefrontal cortex area Primary somatosensory area Common integrative area Broca's area Primary visual area

brocas area

Which of the following functional areas of the cerebrum is responsible for speech? Common integrative area Primary somatosensory area Prefrontal cortex area Broca's area Primary gustatory area

Primary visual area

Which of the following functional areas of the cerebrum is responsible for vision? Primary olfactory area Primary somatosensory area Primary visual area Common integrative area Broca's area

Cauda equina

Which of the following is NOT a major region of the brain? Cauda equina Cerebrum Brain stem Diencephalon Cerebellum

All of these are branches of the trigeminal (V) nerve

Which of the following is a branch of the trigeminal (V) nerve? Opthalmic nerve Maxillary nerve Mandibular nerve All of these are branches of the trigeminal (V) nerve None of these are branches of the trigeminal (V) nerve

Lateral ventricle

Which of the following is a fluid-filled cavity located in each hemisphere of the cerebrum? Corpus callosum Lateral ventricle Septum pellucidum Third ventricle Fourth ventricle

all of these choices are functions of the basal nuclei

Which of the following is a function of the basal nuclei? control subconscious contraction of skeletal muscles influence attention, memory and planning help initiate and terminate movements assist in regulating emotional behaviors all of these choices are functions of the basal nuclei

Third Ventricle

Which of the following is a narrow fluid-filled cavity found along the midline superior to the hypothalamus and between the right and left halves of the thalamus? Third ventricle Septum pellucidum Fourth ventricle Fifth ventricle Lateral ventricle

Substantia nigra

Which of the following is a nucleus found in the midbrain that releases dopamine? pontine nucleus Inferior olivary nucleus Substantia nigra Inferior colliculus Cerebral peduncle

it consists mainly of gap junctions

Which of the following is not a true statement regarding the blood-brain barrier (BBB)? astrocytes play a primary role it consists mainly of gap junctions it prevents passage of possible therapeutic drugs it allows easy passage of lipid-soluble substances it prevents the flow of proteins across it

it is a component of the diencephalon

Which of the following is true of the thalamus? it is the major relay center for just motor impulses it is a component of the diencephalon it precisely locates sensations of pain, temperature, pressure and sound the external capsule connects the thalamus with the cerebral cortex

Tight junctions tightly seal endothelial cells of capillaries in the brain.

Which of the following statements best describes the structure of the blood-brain barrier that provides its functional characteristics? Spot desmosomes tightly link capillary endothelial cells together. Gap junctions tightly seal endothelial cells of capillaries in the brain. Tight junctions tightly seal endothelial cells of capillaries in the brain. Processes of astrocytes wrap tightly around capillaries in the brain. The basement membrane of capillaries in the brain contains extremely small pores

Corpus callosum

Which of the following structures conducts nerve impulses between the two different hemispheres of the cerebrum? Sulci Association tracts Corpus callosum Projection tracts Pyramids

Blood brain barrier

Which of the following structures protect the brain by preventing the movement of harmful substances and pathogens from the blood into the brain tissue? Dura mater Arachnoid mater Cerebrospinal fluid Blood brain barrier All of these choices

Association tracts

Which of the following types of tracts are used to conduct nerve impulses between gyri within the same cerebral hemisphere? Association tracts Projection tracts Stria medullaris Commissural tracts Mammillothalamic tracts

Pons

Which region of the brain contains the pontine respiratory group and apneustic areas that help control respiration? Pons Midbrain Spinal cord Thalamus Cerebellum

Thalamus

Which region of the brain serves as the major relay station for most sensory impulses that reach the primary sensory areas of the cerebral cortex from the spinal cord and brain stem? Hypothalamus Epithalamus Midbrain Pons Thalamus

its prime function is to 'fine tune' motor function

Which statement about the cerebellum is true? tracts of gray matter within it are called arbor vitae the cerebellar peduncles attach it to the cerebrum the cerebellar lobes are also called tentorium cerebelli its prime function is to 'fine tune' motor function the sagittal fissure separates it from the cerebrum

posterior to brainstem and inferior to cerebrum

Which statement best describes the location of the cerebellum? anterior to cerebrum and anterior to brain stem posterior to brainstem and inferior to cerebrum superior to cerebrum and posterior to brainstem superior to brainstem and posterior to cerebrum

it contains nuclei for equilibrium and movements of the eyeball

Which statement is NOT true about the indicated region? it is the medulla oblongata it contains nuclei related to respiration, heart rate, vomiting and swallowing it contains nuclei for equilibrium and movements of the eyeball it is part of the brain stem it is where most of the fibers of the pyramids decussate

have three layers of the dura mater

Which statement is false in reference to the cranial meninges? have the same basic structure as the spinal meninges have three layers of the dura mater are continuous with the spinal meninges are named the dura mater, arachnoid mater, and the pia mater

they are part of the peripheral nervous system

Which statement is true regarding cranial nerves? they pass through intervertebral foramina there are 31 pairs they are part of the peripheral nervous system they all contain sensory and motor axons they originate from the brainstem, cerebellum and cerebrum

the lateral cerebral sulcus separates the frontal lobe from the temporal lobe

Which statement is true? the central sulcus separates the parietal lobe from the temporal lobe the postcentral gyrus contains the primary motor area the insula lies within the precentral gyrus the lateral cerebral sulcus separates the frontal lobe from the temporal lobe

it is the choroid plexus

Which statements are TRUE about the indicated structure? it is an arachnoid villus it is the choroid plexus it is a venous sinus it is the pia mater

the central sulcus

Which structure separates the frontal from the parietal lobe? the longitudinal fissure the corpus callosum the central sulcus the cerebral hemispheres

Basal Nuclei

Which three areas of gray matter found in each cerebral hemisphere are important in helping to control the initiation and termination of skeletal muscle movements? autonomic ganglia lateral olivary nuclei basal nuclei red nuclei vestibular nuclei

association tracts

White matter that conducts impulses between gyri in the left cerebral hemisphere are commissural tracts projection tracts association tracts decussating tracts All are correct

Inferior Colliculi

hich brain structure is responsible for the "startle reflex" in response to loud sounds? Superior colliculus Inferior colliculus Arbor vitae Pontine nucleus Medial lemniscus