A&P Chapter 13 quizes

all of the following are properly paired EXCEPT a. ascending tracts -- carry motor information to the thalamus b. gracile nucleus -- relays somatic sensory information to the thalamus c. reticular formation -- located in the medulla oblongata d. inferior olivary complex -- relays information from the red nucleus e. cuneate nucleus -- relays somatic sensory information to the thalamus

a. ascending tracts -- carry motor information to the thalamus

the anterior root of a spinal nerve contains a. axons of motor neurons b. cell bodies of motor neurons c. axons of sensory neurons d. cell bodies of sensory neurons e. interneurons

a. axons of motor neurons

the neural tissue is isolated from the general circulation by the a. blood-brain barrier b. arachnoid granulations c. meninges d. dura mater e. choroid plexuses

a. blood-brain barrier

which of the following is improperly paired? a. diencephalon -- becomes the ventricle b. myelencephalon --will form the medullar oblongata c. telencephalon -- will form the cerebrum d. mesencephalon -- also called the midbrain e. metencephalon -- will form the cerebellum and pons

a. diencephalon -- becomes the ventricle

the tough, fibrous, outermost covering of the spinal cord is the a. dura mater b. pia mater c. periosteum d. arachnoid mater e. epidural space

a. dura mater

the layer of connective tissue that surrounds individual axons within a peripheral nerve is termed the a. endoneurium b. perineurium c. subneurium d. metaneurium e. epineurium

a. endoneurian

axons crossing from one side of the spinal cord to the other within the gray matter are found in the a. gray commissures b. anterior gray horns c. lateral gray horns d. posterior gray horns e. white commissures

a. gray commissures

enlargements of the spinal cord occur a. in those spinal segments that control the limbs b. near the posterior median sulcus c. in the thoracic region d. adjacent to the anterior median fissure e. in the sacral region

a. in those spinal segments that control the limbs

_________ centers receive information from many association areas and direct complex motor activities such as speech. a. integrative b. communication c. terminal d. vocal e. frontal

a. integrative

olfactory receptors send axons through the cribriform plate and synapse on neurons in the a. olfactory bulb b. cerebral cortex c. medulla d. thalamus e. olfactory tract

a. olfactory bulb

which of the following is NOT one of the main divisions of the adult brain? a. prosencephalon b. pons c. midbrain d. cerebrum e. diencephalon

a. prosencephalon

the spinal cord consists of five regions and _______ segments. a. 5 b. 31 c. 12 d. 25 e. the number varies widely among individuals

b. 31

gustatory information reaches the brain by way of cranial nerve a. IV b. IX c. II d. X e. I

b. IX

the _____ plexus supplies innervation to the diaphram. a. lumbar b. cervical c. thoracic d. spinal e. sacral

b. cervical

in the spinal cord, white matter is separated into ascending and descending tracts organized as a. ganglia b. columns c. horns d. nuclei e. nerves

b. columns

which of the following is improperly paired? a. falx cerebri- a fold of dura mater between the cerebral hemispheres b. corpus callosum- thick tract of gray matter that connect the two cerebral hemispheres c. septum pellucidum- a thin partition that separates the two lateral ventricles d. cerebral aqueduct- slender canal that connects the third and fourth ventricle e. interventricular foramen- the opening between the lateral ventricles and the third ventricle

b. corpus callosum- thick tract of gray matter that connect the two cerebral hemispheres

which of the following lies between the cerebrum and the brainstem? a. pons b. diencephalon c. medulla oblongata d. cerebellum e. midbrain

b. diencephalon

cerebrospinal fluid a. is formed by a passive process and has almost the same composition as blood plasma b. is secreted by ependymal cells c. has almost the same composition as blood plasma d. is normally produced twice as fast as it is removed e. is formed by a passive process

b. is secreted by ependymal cells

the tracts that connect the cerebellum to the brainstem are located in the a. diencephalon b. pons c. thalamus d. midbrain e. medulla oblongata

b. pons

the midbrain contains the headquarters of the ________, a specialized component of the reticular formation that controls alertness and attention. a. tectum b. reticular activating system c. cardiovascular control center d. respiratory rhythmicity center e. tegmentum

b. reticular activating system

the auditory cortex is located in the a. frontal lobe b. temporal lobe c. parietal lobe d. insula e. occipital lobe

b. temporal lobe

all of the following help(s) to directly protect the brain except a. the blood-brain barrier b. the neural tubes c. the bones of the skull d. the cranial meninges e. the CSF

b. the neural tubes

cerebrospinal fluid flows within the a. filum terminale b. pia mater c. dura mater d. subarachnoid space e. arachnoid space

d. subarachnoid space

which of the following associations is incorrect? a. 5 sacral spinal nerves b. 1 coccygeal spinal nerve c. 11 thoracic spinal nerves d. 8 cervical spinal nerves e. 5 lumbar spinal nerves

c. 11 thoracic spinal nerves

Cortical regions that interpret sensory information or coordinate motor responses are called ________ areas. a. commissural b. sensory c. association d. processing e. somesthetic

c. association

The third and fourth ventricles are linked by a slender canal designated as the a. septum pellucidum b. tentorium cerebelli c. cerebral aqueduct d. central canal e. interventricular foramina

c. cerebral aqueduct

the epidural space contains a. lymph b. cerebrospinal fluid c. connective tissue and blood vessels d. blood e. denticulate ligaments

c. connective tissue and blood vessels

The outermost connective-tissue covering of nerves is the a. endomysium b. perineurium c. epineurium d. epimysium e. endoneurium

c. epineurium

the two cerebral hemispheres are separated by the a. transverse fissure b. parieto-occipital sulcus c. longitudinal fissure d. postcentral sulcus e. central sulcus

c. longitudinal fissure

sensory innervation of the lower teeth and gums is by the ______ nerve. a. maxillary branch of the trigeminal b. hypoglossal c. mandibular branch of the trigeminal d. opthalmic branch of the trigeminal e. glossopharyngeal

c. mandibular branch of the trigeminal

the ________ relay(s) auditory information to the auditory cortex. a. lateral geniculate nuclei b. pulvinar nuclei c. medial geniculate nuclei d. preoptic area e. suprachiasmatic nuclei

c. medial geniculate nuclei

somatic motor neurons in the spinal cord control all of the following muscles except those that a. move the arm b. position the pectoral girdle c. move the face d. move the hand and fingers e. move the forearm and hand

c. move the face

the region(s) of the cerebral cortex superior to the lateral sulcus is the a. parietal lobe b. frontal lobe c. parietal lobe and the frontal lobe d. temporal lobe e. occipital lobe

c. parietal lobe and the frontal lobe

the surface of the postcentral gyrus contains the _______ cortex. a. olfactory b. primary motor c. primary sensory d. visual e. auditory

c. primary sensory

all of the following are a function of the hypothalamus except a. secreting hormones b. regulating body temperature c. projecting visual information to the visual cortex d. controlling autonomic centers e. coordinating day-night cycles of activity/inactivity

c. projecting visual information to the visual cortex

which of the following is NOT a function of cerebrospinal fluid?? a. acts as a transport medium for waste products b. provides cushioning for delicate neural tissues c. provides ATP for impulse transmission d. acts as a transport medium for nutrients e. provides buoyant support for the brain

c. provides ATP for impulse transmission

if the posterior root of a spinal nerve is severed, a. the spinal cord would not be able to process information at that level b. output to skeletal muscles would be blocked c. sensory input would be blocked d. output to visceral organs would be blocked e. the brain would not be able to communicate with that level of the spinal cord

c. sensory input would be blocked

compared to the vertebral column, the spinal cord is a. the same length b. longer c. shorter

c. shorter

sensory information is processed and relayed to the cerebrum by the a. midbrain b. cerebellum c. thalamus d. medulla oblongata e. pons

c. thalamus

You suspect your friend has damage to cranial nerve I when he is unable to a. smile b. blink his eyes c. nod his head d. smell his food e. see

d. smell his food

a posterior and anterior root of each spinal segment unite to form a a. spinal meninx b. lumbar enlargement c. cervical enlargement d. spinal nerve e. spinal ganglion

d. spinal nerve

There are ____ pairs of cranial nerves. a. 6 b. 2 c. 22 d. 12 e. 31

d. 12

blood vessels traveling within _________ deliver oxygen and nutrients to the spinal cord. a. all three cranial meninges b. the pia mater c. the arachnoid mater d. all three spinal meninges e. the dura mater

d. all three spinal meninges

the dural sinuses are located in the a. arachnoid mater b. pia mater c. tentorium cerebelli d. dural folds e. paranasal cavity

d. dural folds

the shallow folds on the surface of the cerebellum are called a. fissures b. gyri c. sulci d. folia e. arbor vitae

d. folia

cerebrospinal fluid enters the subarachnoid space through the a. interventricular foramina b. falx cerebri c. dural sinus d. lateral and median apertures e. cerebral aqueduct

d. lateral and median apertures

the _______ connect the frontal lobe to the other lobes of the same hemisphere. a. commissural fibers b. arcuate fibers c. fibers of the corpus callosum d. longitudinal fasciculi e. fibers of the anterior commissure

d. longitudinal fasciculi

the nerve crucial for breathing that originates within the cervical plexus is called the _______ nerve. a. transverse cervical b. supraclavicular c. great auricular d. phrenic e. ansa cervicalis

d. phrenic

The layer of the meninges that closely follows every gyrus and sulcus is the a. subarachnoid mater b. dura mater c. subarachnoid mater d. pia mater e. arachnoid mater

d. pia mater

the posterior horns of the spinal cord contain mainly a. sympathetic tracts b. nerve tracts c. autonomic motor nuclei d. sensory nuclei e. somatic motor nuclei

d. sensory nuclei

During embryonic development, which of the following secondary brain vesicles will form the cerebrum? a. metencephalon b. midbrain c. myelencephalon d. telencephalon e. diencephalon

d. telencephalon

the _____ filters and relays sensory information to the cerebral cortex. a. medulla oblongata b. cerebrum c. cerebellum d. thalamus e. pons

d. thalamus

the roman numeral V indicates the ________ nerve. a. oculomotor b. abduces c. trochlear d. trigeminal e. vestibulochlear

d. trigeminal

the cerebellar hemispheres are separated by a worm-shaped band of cortex called the a. folia b. pyramid c. cerebellar peduncles d. verims e. arbor vitae

d. vermis

the cranial nerves that innervate the eye muscles are a. III and V b. II and VI c. I, II, III d. II, III, IV e. III, IV, VI

e. III, IV, VI

As you ascend from the medulla oblongata to the cerebrum, the functions of each successive level become a. less crucial to visceral functions b. more complex c. better understood d. simpler e. both more complex and less crucial to visceral functions

e. both more complex and less crucial to visceral functions

Overseeing the postural muscles of the body and making rapid adjustments to maintain balance and equilibrium are functions of the a. cerebrum b. pons c. medulla oblongata d. midbrain e. cerebellum

e. cerebellum

a cortex is found on the surface of both the a. pons and cerebellum b. cerebellum and medulla oblongata c. cerebral hemispheres and pons d. pons and medullar oblonga e. cerebellum and cerebral hemispheres

e. cerebellum and cerebral hemispheres

spinal nerves a. contain only sensory fibers b. contain only motor fibers c. only carry information unidirectionally d. contain interneurons e. contain both sensory and motor

e. contain both sensory and motor

_______ is the term used to decribe the crossing over of a tract to the side of the nervous system opposite to where the axons originated. a. ascending b. descending c. relaying d. coordinating e. decussation

e. decussation

Specialized ________ cells form the secretory component of the choroid plexus. a. oligodendrocyte b. astrocyte c. microglia d. neuron e. ependymal

e. ependymal

The dural fold that projects into the longitudinal fissure between cerebral hemispheres is called the a. tentorium cerebelli b. choroid plexus c. dural sinus d. falx cerebelli e. falx cerebri

e. falx cerebri

Two large venous sinuses, the sagittal sinuses, lie within a dural fold called the ________. a. lateral aperture b. tentorium cerebelli c. arachnoid granulations d. falx cerebelli e. falx cerebri

e. falx cerebri

the outward projection from the central gray matter of the spinal cord are called a. pyramids b. wings c. fibers d. tracts e. horns

e. horns

the _______ provides the principal link between the nervous and endocrine systems. a. medulla oblongata b. cerebellum c. cerebrum d. pons e. hypothalamus

e. hypothalamus

the region of the cerebral cortex that is medial and deep to the temporal lobe is the a. occipital lobe b. frontal lobe c. temporal lobe d. parietal lobe e. insula

e. insula

Each lateral ventricle communicates with the third ventricle through a(n) a. aqueduct of midbrain b. medulla oblongata c. cerebral aqueduct d. septum pellucidum e. interventricular foramen

e. interventricular foramen

a complex, interwoven network of nerves is called a a. nerve ganglion b. ramus c. spinal plexus d. spinal cord e. nerve plexus

e. nerve plexus

the visual cortex is located in the a. parietal lobe b. temporal lobe c. frontal lobe d. insula e. occipital lobe

e. occipital lobe

the primary motor cortex is on the surface of the a. insula b. postcentral gyrus c. arcuate gyrus d. corpus callosum e. precentral gyrus

e. precentral gyrus

which of these is mismatched with its location? a. falx cerebelli; between cerebellar hemispheres b. falx cerebri; between cerebral hemispheres c. dural venous sinuses; large collecting veins located within the dural folds d. tentorium cerebelli; between cerebral hemispheres and cerebellum e. superior sagittal sinus; runs along superior edge of the corpus callosum

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