Ch. 14 The Brain Connect Assignments

How many pairs of cranial nerves are there? Multiple choice question. 24 12 31 8

12

The cerebral cortex constitutes about ______ of the mass of the brain. Multiple choice question. 40% 90% 75% 10%

40%

How many branches does the facial nerve have? Multiple choice question. 5 3 4 2 6

5

How many lobes are found in each of the cerebral hemispheres? Multiple choice question. 4 3 2 5

5

Which nerve innervates muscles that move the eyeball laterally? Multiple choice question. Trochlear (IV) Oculomotor (III) Abducens (VI) Facial (VII)

Abducens (VI)

which nerve sends motor signals for swallowing, and moving the head, neck, and shoulders? Multiple choice question. Vagus Abducens Hypoglossal Accessory

Accessory

How would you classify the fiber tracts passing through the medulla? Multiple choice question. Ascending sensory tracts only Descending motor tracts only Neither ascending nor descending tracts Both ascending sensory and descending motor tracts

Both ascending sensory and descending motor tracts

Where is the reticular formation located? Multiple choice question. The cerebellum Only in the medulla oblongata Brainstem and spinal cord

Brainstem and spinal cord

Most motor fibers of cranial nerves begin in which of the following? Multiple choice question. Cerebral cortex Skeletal muscles Receptors in the head and neck Brainstem nuclei

Brainstem nuclei

Which cranial nerves are purely sensory? Multiple choice question. CN I and II CN III and IV CN XI and XIII CN VI and XI

CN I and II

The blood-brain barrier consists of tight junctions between which of the following? Multiple choice question. Oligodendrocytes Circumventricular organs Neurons and glial cells Capillary endothelial cells

Capillary endothelial cells

Which is NOT one of the five cerebral lobes? Multiple choice question. Temporal lobe Frontal lobe Insula Parietal lobe Cerebellar lobe Occipital lobe

Cerebellar lobe

Which structures make up most of the posterior pons? Multiple choice question. Superior and inferior colliculi Cerebellar peduncles Medullary pyramids Thalamus and hypothalamus

Cerebellar peduncles

Which area of the brain is responsible for equilibrium, motor coordination, and memory of learned motor skills? Multiple choice question. Temporal lobe Cerebellum Thalamus Medulla oblongata

Cerebellum

Where is the gray matter of the cerebrum located? Multiple select question. Thalamic nuclei Cerebral cortex Limbic system Corpus callosum Basal nuclei

Cerebral cortex Limbic system Basal nuclei

Which functions to protect the brain and spinal cord from chemical and physical injury by providing chemical stability and buoyancy? Multiple choice question. Lymphatic fluid Blood Plasma Cerebrospinal fluid

Cerebrospinal fluid

The forebrain includes of which of the following structures? Multiple choice question. Cerebrum,thalamus, and hypothalamus Spinal cord and medulla oblongata Cerebrum, thalamus, and cerebellum Thalamus, pons, and medulla oblongata

Cerebrum, thalamus, and hypothalamus

Name the large, C-shaped structure that contains most of the commissural tracts of the brain. Multiple choice question. Brainstem Corpus callosum Internal capsule Cerebellum

Corpus callosum

Name the prominent C-shaped band of nerve tracts that connects the right and left cerebral hemispheres to each other. Multiple choice question. Gyrus Sulcus Corpus callosum Longitudinal fissure

Corpus callosum

Which arise from the base of the brain, exit the cranium through its foramina, and lead to muscles and sense organs in the head and neck? Multiple choice question. Spinal nerves Sympathetic nerves Extra nerves Cranial nerves

Cranial nerves

Which embryonic brain regions develop into the forebrain? Multiple select question. Myelencephalon Diencephalon Telencephalon Metencephalon

Diencephalon Telencephalon

True or false: A lesion in the right side of the brainstem will usually cause a sensory or motor deficit on left side of the head. True false question. True False

False

True or false: The chief functions of the occipital lobe include voluntary motor functions, memory, mood, emotion, social judgment and aggression. True false question. True False

False

True or false: The chief functions of the parietal lobe include voluntary motor functions, memory, mood, emotion, social judgment and aggression. True false question. True False

False

True or false: The primary functions of the temporal lobes include voluntary motor functions, memory, mood, emotion, social judgment and aggression. True false question. True False

False

The boundary between the spinal cord and the medulla oblongata corresponds to which of the following structures? Multiple choice question. Midbrain Cerebral aquaduct Foramen magnum External occipital protuberance

Foramen magnum

How many ventricles are located in the brain? Multiple choice question. Six Three Two Four

Four

Which cerebral lobe is responsible for voluntary motor function, motivation, memory, mood, and aggression? Multiple choice question. Occipital Frontal Parietal Temporal

Frontal

Which nerve transmits both sensory and motor impulses to the head, neck and thoracic region? Multiple choice question. Vestibulocochlear (VIII) Facial (VII) Glossopharyngeal (IX) Abducens (VI) Hypoglossal (XII)

Glossopharyngeal (IX)

Which nerve controls tongue movements? Multiple choice question. Accessory Vagus Abducens Hypoglossal

Hypoglossal

Which structure serves as the major control center of the endocrine and autonomic nervous system? Multiple choice question. Epithalamus Hypothalamus Cerebellum Thalamus

Hypothalamus

Match the name of each cranial nerve to its designated number.

I matches Choice, Olfactory Olfactory IV matches Choice, Trochlear Trochlear VIII matches Choice, Vestibulocochlear Vestibulocochlear IX matches Choice, Glossopharyngeal Glossopharyngeal XI matches Choice, Accessory Accessory XII matches Choice, Hypoglossal Hypoglossal

Name the midbrain structures that receive signals from the inner ear and relay them to other parts of the brain. Multiple choice question. Superior colliculi Inferior colliculi Thalamic nuclei Auditory ossicles

Inferior colliculi

Which cerebral lobe is located deep to the lateral sulcus and is not visible from the surface of the brain? Multiple choice question. Occipital lobe Temporal lobe Insula Frontal lobe

Insula

Which lobe is concerned with processing the sense of taste and integration of sensory input from visceral receptors? Multiple choice question. Parietal lobe Insula Occipital lobe Temporal lobe

Insula

Which statement about the reticular formation is true? Multiple choice question. It consists of multiple descending fiber tracts within the spinal cord. It is a loose web of gray matter that runs through multiple levels of the brainstem. It is a cluster of nuclei located deep within the cerebral hemispheres. It consists of four bulges on the posterior aspect of the midbrain.

It is a loose web of gray matter that runs through multiple levels of the brainstem.

Which tracts run through the pons? Multiple select question. Medial lemniscus Tectospinal tract Optic tract Olfactory tract

Medial lemniscus Tectospinal tract

Which term refers to the connective tissue membranes surrounding the brain and spinal cord? Multiple choice question. Pericardium Meninges Peritoneum Plasma membrane

Meninges

How is the facial nerve (cranial nerve VII) classified? Multiple choice question. Mixed Afferent Efferent

Mixed

How is the glossopharyngeal (IX) nerve functionally classified? Multiple choice question. Sensory Mixed Motor

Mixed

What type of nerve is the vagus nerve? Multiple choice question. Motor Sensory Mixed

Mixed

How is the abducens nerve (cranial nerve VI) classified? Multiple choice question. Sensory Motor Mixed

Motor

Where is the limbic system located in the brain? Multiple choice question. In the superficial layers of the cerebral hemisphere In the cerebellum On the medial aspect of the cerebral hemisphere In the center of the brainstem

On the medial aspect of the cerebral hemisphere

Where is the limbic system located in the brain? Multiple choice question. On the medial aspect of the cerebral hemisphere In the superficial layers of the cerebral hemisphere In the center of the brainstem In the cerebellum

On the medial aspect of the cerebral hemisphere

Which cranial nerve transmits sensory information for vision? Multiple choice question. Facial (VII) Oculomotor (III) Optic (II) Olfactory (I)

Optic (II)

Which cerebral lobe is responsible for receiving and interpreting input from the general senses, as well as for some taste and visual processing? Multiple choice question. Parietal Temporal Occipital Frontal

Parietal

How is the vestibulocochlear nerve (cranial nerve VIII) functionally classified? Multiple choice question. Predominantly Motor Mixed Predominantly Sensory

Predominantly Sensory

Which are functions of CSF? Multiple select question. Protection Buoyancy Chemical stability Sensation

Protection Buoyancy Chemical stability

Which midbrain structures mediate visual reflexes? Multiple choice question. Thalamic nuclei Inferior colliculi Superior colliculi Medullary pyramids

Superior colliculi

Which best describes the cerebral cortex? Multiple choice question. Deep white matter of the cerebrum Masses of gray matter deep within the cerebral hemispheres Surface layer of gray matter on the cerebrum Fiber tract that connect the right and left cerebral hemispheres

Surface layer of gray matter on the cerebrum

Which cerebral lobe is concerned with hearing, smell, memory, as well as some aspects of vision and emotion? Multiple choice question. Parietal Frontal Occipital Temporal

Temporal

The _____ is an oval-shaped structure in the diencephalon located at the superior end of the brainstem beneath the cerebral hemispheres.

Thalamus

Which structure is sometimes called the "gateway to the cerebral cortex?" Multiple choice question. Thalamus Pons Hypothalamus Cerebellum

Thalamus

Which is the definition of the term "rostral"? Multiple choice question. Toward the tail; toward the spinal cord or lower (vertical) Toward the nose; toward the forehead; or higher (vertical) Behind the tail; away from the spinal cord or higher (vertical) In front of the head; toward the spinal cord or lower (vertical)

Toward the nose; toward the forehead; or higher (vertical)

Which cranial nerve functions to sense touch, pain, and temperature on the upper and lower face and to transmit motor impulses needed for chewing? Multiple choice question. Abducens Trigeminal Facial Oculomotor

Trigeminal

Which nerve controls eye movement? Multiple choice question. Trochlear (IV) Facial (VII) Olfactory (I) Optic (II)

Trochlear (IV)

Which is least likely to get through the blood-brain barrier? Multiple choice question. Water Oxygen Glucose Urea

Urea

Which cranial nerve plays a major role in the control of cardiac, pulmonary, digestive and urinary functions? Multiple choice question. Abducens Accessory Vagus Hypoglossal

Vagus

Which nerve transmits sensory signals for hearing and equilibrium? Multiple choice question. Vestibulocochlear (VIII) Accessory (XI) Facial (VII) Abducens (VI) Glossopharyngeal (IX)

Vestibulocochlear (VIII)

Which cranial nerves are classified as predominantly motor? Multiple select question. X I XII VII III VIII IV IX VI II V XI

XII III IV VI XI

The term ______ means "toward the tail". Multiple choice question. rostral caudal

caudal

The ____ is the region of the brain responsible for equilibrium, motor coordination, and memory of learned motor skills.

cerebellum or Cerebellum

The outer layer of the cerebrum, called the cerebral _____ , is formed by gray matter.

cortex

The chief functions of the ____ lobe include voluntary motor functions, memory, mood, emotion, social judgment and aggression.

frontal or Frontal

The _____ region of the diencephalon forms the floor of the third ventricle and extends anteriorly to the optic chiasm.

hypothalamus, hypothalamic, Hypothalamus, or Hypothalamic

The _____ colliculi are part of the auditory pathway and function to receive signals from the inner ear, relaying them to other parts of the brain.

inferior or Inferior

The ____ system is the part of the brain involved with emotion and learning.

limbic or Limbic

The ______ lobe contains the primary visual center of the brain. Multiple choice question. parietal occipital frontal temporal

occipital

The _____ nerves (cranial nerve I) pass through the cribriform plate in the roof of the nasal cavity functioning in the sense of smell.

olfactory or Olfactory

The _____ colliculi play an important role in visual attention and visual tracking of moving objects.

superior or Superior

Fluid-filled internal chambers of the brain are called ____ .

ventricles, ventricle, or Ventricles