Chapter 12 Homework Questions

Which of these would you NOT find in the cerebral cortex? A. Fiber tracts B. Cell bodies C. Dendrites D. Interneurons

A

Which type of white matter fiber tract connects the cerebrum to lower centers, like the spinal cord? A. Commissures B. Projection fibers C. Association fibers D. Corpus callosum

B

At age 79, Mrs. X is diagnosed with a disorder that severely impairs her logical judgement. Medical imaging techniques show that this has been most likely caused by brain damage in a __________. A. Parietal lobe B. Frontal lobe C. Temporal lobe D. Premotor cortex

B

Commissural fibers connect the cerebrum to the diencephalon. A. True B. False

B

For our motor commands to travel toward our muscles, the signals must travel on __________. A. The primary visual cortex B. Projection fibers C. Association fibers D. Commissural fibers

B

How many major regions are contained within the diencephalon? A. 4 B. 3 C. 2 D. 1

B

If the caudal portion of the neural tube failed to develop properly the ________. A. Hindbrain would not be present B. Spinal cord may be affected C. Telencephalon would cease development D. Cranial nerves would not form

B

Injury to the hypothalamus may result in all of the following EXCEPT __________________. A. Dehydration B. Loss of fine motor control C. Loss of body temperature control D. Sleep disturbances

B

Loss of ability to perform skilled motor activities such as piano playing, with no paralysis or weakness in specific muscles, might suggest damage to the ________. A. Primary motor cortex B. Premotor cortex C. Rubrospinal fluid D. Spinal cord

B

Projection fibers in the brain mainly connect the right and left hemispheres. A. True B. False

B

Sorting of sensory information and relaying it to the appropriate cerebral area occurs in the hypothalamus. A. True B. False

B

The brain is a solid organ that lacks cavities. A. True B. False

B

The canal connecting the third and fourth ventricles and running through the midbrain is theintraventricular foramen. A. True B. False

B

The cerebellum is present on the ventral surface of the sheep brain. A. True B. False

B

The hypothalamus is the area where afferent impulses from all senses and all parts of the body are sorted out and then relayed to the appropriate area of the sensory cortex. A. True B. False

B

The lateral sulcus separates which lobes? A. Frontal from parietal B. Temporal from parietal C. Parietal from occipital D. Frontal from occipital

B

The pineal body secretes melanocyte stimulating hormone (MSH). A. True B. False

B

The three basic regions of the cerebrum are the cerebral gray matter, internal white matter, and the superior and inferior colliculi. A. True B. False

B

What connects the hypothalamus to the pituitary gland? A. Mammillary bodies B.Infidibulum C. Arbor vitae D. Optic chiasma

B

What groove separates the frontal lobe from the parietal lobe? A. Longitudinal fissure B. Central sulcus C. Parietal-occipital sulcus D. Lateral fissure

B

What is the function of white matter? A. Process information B. Transmits messages C. Produces cerebrospinal fluid D. Supports neurons

B

Which of the following area form the central core of the brain? A. Epithalamus B. Thalamus C. Hypothalamus D. Cerebellum

B

Which of the following best describes the cerebrum? A. Visceral command center B. Executive suite C. Decussation center D. Motor command center

B

Which of the following glands can be observed on the ventral surface of the sheep brain? A. Pineal gland B. Pituitary gland C. Mammillary body D. Olfactory bulb

B

Which part of the CNS sorts almost all sensory information ascending to the cerebral cortex? A. Mesencephalon B. Thalamus C. Pons D. Hypothalamus

B

Which part of the diencephalon is connected to the pituitary gland? A. Epithalamus B. Hypothalamus C. Thalamus D. Midbrain

B

Identify the passageway found in the spinal cord that is continuous with the ventricles. A. Choroid plexus B. Interventricular foramina C. Cerebral aqueduct D. Central canal

D

Name the membrane encasement surrounding the brain. A. Choroid plexus B. Epinephrine C. Lamina propria D. Meninges

D

Ridges of tissue on the surface of the cerebral hemispheres are called _________. A. Fissures B. Sulci C. Ganglia D. Gyri

D

The area of the cortex that is responsible for sensing a full bladder and the feeling that your lungs will burst when you hold your breath too long is the ____________. A. Gustatory cortex B. Olfactory cortex C. Vestibular cortex D. Visceral sensory area

D

The meninges consist of _________ layers. A. 2 B. 1 C. 4 D. 3

D

What structure connects the right and left cerebral hemispheres? A. Intermediate mass B. Vermis C. Septum pellucidum D. Corpus callosum

D

What type of cells line the ventricles of the brain? A. Neurons B. Epithelial cells C. Astrocytes D. Ependymal cells

D

Which brain structure functions to control the autonomic nervous system and to regulate body temperature? A. Medulla oblongata B. Pons C. Mammillary body D. Hypothalamus

D

Which of the following is NOT a correctly matched pair? A. Gray matter; location of brain nuclei B. Spinal cord: inner gray matter C. Superficial in the brain: gray matter D. Gray matter: myelinated axons

D

Which of the following is NOT a diencephalon component? A. Thalamus B. Hypothalamus C. Pineal gland D. Superior colliculus

D

Which of the following landmarks divides the cerebrum in half? A. Lateral sulcus B. Transverse fissure C. Vermis D. Longitudinal fissure

D

Which of the following structures attach the pituitary gland to the brain? A. Optic chiasm B. Hypothalamus C. Pia mater D. Infidibulum

D

Motor speech (Broca's) area

Frontal lobe

Premotor cortex

Frontal lobe

Seat of intelligence, abstract reasoning

Frontal lobe

Gustatory (taste) area

Insula

White matter has a fatty consistency. A. True B. False

A

Which region acts as a relay center for sensory messages ascending to the cerebrum? A. Pons B. Corpus callosum C. Hypothalamus D. Thalamus

D

Primary (somatic) motor cortex

frontal lobe

Auditory area

temporal lobe

All three regions of the brain stem can be observed on the ventral surface of the brain. A. True B. False

A

Broca's area ___________. A. Is considered. A motor speech area B. Is usually found only in the right hemisphere C. Controls voluntary movements of the eyes D. Serves the recognition of complex objects

A

Cerebrospinal fluid is produced within the ventricles. A. True B. False

A

Embryonic damage to the mesencephalon could result in improper formation of the midbrain. A. True B. False

A

In general, a primary sensory cortex breaks down sensory input into component parts, while an association cortex makes sense of sensory inputs. A. True B. False

A

In most people, the left cerebral hemisphere has greater control over language abilities, math, and logic. A. True B. False

A

Specific motor and sensory functions are localized in specific areas called domains, whereas memory and language have overlapping domains. A. True B. False

A

The ___________ includes thalamus, hypothalamus, and epithalamus. A. Diencephalon B. Brain stem C. Basal nuclei D. Midbrain

A

The brain and spinal cord begin as an embryonic structure called the neural plate. A. True B. False

A

The composition of gray matter includes neuron cell bodies. A. True B. False

A

The diencephalon is found in between the brain stem and the cerebrum. A. True B. False

A

The large commissure that connects the right and left sides of the brain is called the _________. A. Corpus callosum B. Longitudinal fissure C. Internal capsule D. Corona radiata

A

The primary visual cortex contains a map of visual space. A. True B. False

A

The term cerebral dominance designates the hemisphere that is dominant for language. A. True B. Flase

A

The ventricles are all interconnected. A. True B. False

A

Where is the arboretum vitae located? A. Cerebellum B. Cerebrum C. Diencephalon D. Brain stem

A

Which motor area both has a homunculus and has descending projection fibers? A. Primary motor cortex B. Premotor cortex C. Broca's area D. Frontal eye fields

A

Which of the following areas takes visual information from one side of the body and conveys it to the opposite side? A. Optic chiasm B. Optic tract C. Olfactory bulbs D. Optic nerve

A

Which of the following best describes the hypothalamus? A. Visceral control center of the body B. Gateway to the cerebellum C. Somatic motor control center D. Relay station for the special senses

A

Which of the following generalizations does NOT describe the cerebral cortex? A. The hemispheres are exactly equal in function B. Each hemisphere is chiefly concerned with sensory and motor functions of the contra lateral side of the body C. No functional area of the cortex works alone D. The cerebral cortex contains three kinds of functional areas

A

Which of the following hypothalamic control centers would you predict is the LEAST important for survival? A. Suprachiasmic nucleus B. Autonomic control center C. Temperature control center D. Thirst center

A

Which of the following is NOT a role of the basal nuclei? A. Initiating protective reflex actions B. Inhibiting unnecessary or antagonistic movements C. Playing a role in cognition and emotion D. Controlling starting and stopping movements

A

Which of the following is the outer layer of the meninges? A. Dura mater B. Arachnoid C. Dura sinus D. Pia mater

A

Which of the following statements is FALSE? A. Damage to the primary (somatic) motor cortex results in loss of both voluntary muscle control and all reflexive contractions B. Damage to the premotor cortex results in loss of motor skills programmed in that area but movement is still possible C. Damage to the primary auditory cortex results in the inability to interpret pitch, loudness, and location D. Damage to the visual association area can result in an inability to comprehend what is being seen

A

Which of the following ventricles is found under the corpus callosum? A. Lateral ventricles B. Fourth ventricle C. Third ventricle D. Fornix

A

Which part of the brain is the "executive suite" that controls conscious brain activity? A. Cerebral cortex B. Brain stem C. Diencephalon D. Cerebellum

A

Which part of the cerebral cortex is involved in intellect, cognition, recall, and personality? A. Prefrontal cortex (anterior association area) B. Limbic association area C. Combined primary somatosensory cortex and somatosensory association cortex D. Posterior association area

A

Which region of the brain is necessary for consciousness? A. Cerebrum B. Diencephalon C. Cerebellum D. Brain stem

A

Which region of the diencephalon contains the pineal body? A. Epithalamus B. Midbrain C. Corpora quadrigemina D. Hypothalamus

A

An elevated ridge of the cortex is called a _______. A. Furrow B. Sulcus C. Gyrus D. Fissure

C

The frontal lobe is separated from the temporal lobe by the ____________. A. Longitudinal fissure B. Central sulcus C. Lateral sulcus D. Cranial fossa

C

The middle primary brain vesicle, the mesencephalon, gives rise to which adult brain structure? A. Medulla oblongata B. Cerebrum C. Midbrain D. Diencephalon

C

The primary somatosensory cortex is located in the _____________. A. Frontal lobe B. Prefrontal lobe C. Parietal lobe D. Temporal lobe

C

What part of the corpora quadrigemina is clearly observed in a mid sagittal section? A. Corpus callosum B. Inferior colliculus C. Superior colliculus D. Optic chiasm

C

What type of tissue makes up the cerebral cortex? A. Meninges B. Nerves C. Gray matter D. White matter

C

Which of the following is NOT a function of the hypothalamus? A. Regulate body temperature B. Regulate food intake C. Regulate. The thalamus D. Regulate emotional responses

C

Which of the following is true of the cerebral hemispheres of the human brain? A. Nearly the entire surface of the cerebral hemispheres is marked by shallow grooves called gyri B. The longitudinal fissure separates the cerebral hemispheres from the cerebellum C. The cerebral hemispheres account for about 83% of total brain mass D. Nearly the entire surface of the cerebral hemispheres is marked by elevated ridges called sulci

C

Which of the following landmarks separate the cerebrum from the cerebellum? A. Central sulcus B. Longitudinal fissure C. Transverse fissure D. Corpus callosum

C

Which of the following regions cannot be observed superficially? A. Cerebellum B. Cerebrum C. Diencephalon D. Longitudinal fissure

C

Which passageway connects the third and fourth ventricles? A. Septum pellucidum B. Intraventricular foramen C. Cerebral aqueduct D. Central canal

C

Which region of the brain contains gyri and sulci? A. Diencephalon B. Cerebellum C. Cerebrum D. Brain stem

C

Which ventricles are divided by the septum pellucidum? A. Lateral and third ventricle B. First and second ventricles C. Lateral ventricles D. Third and fourth ventricles

C

White matter is found in all of the following locations EXCEPT the ________. A. Corticospinal tracts B. Corpus callosum C. Cerebral cortex D. Outer portion of the spinal cord

C

An individual who could trace a picture of a bicycle with his or her finger but could not recognize it is a bicycle os most likely to have sustained damage to the _________. A. Primary visual cortex B. Calcarine cortex C. Lateral geniculate body D. Visual association area

D

Identify cranial nerve I. A. Optic tract B. Occulomotor C. Optic nerve D. Olfactory nerve

D

A patient reports that she has become completely deaf; she can't hear anything. Through tests on her ears indicate that her ears indicate that her ears have not been damaged. Additional tests reveal that her deafness has been caused by damage to her ______. A. Primary somatosensory cortex B. Auditory association area C. Somatosensory association cortex D. None of the listed responses is correct

D

After Joe has a stroke, his doctor asks Joe to touch his right pointer finger to his chin, but Joe is unable to move his right hand. However, when the doctor stimulates Joe's pointer finger with a painful stimulus, Joe's muscles quickly move his hand away from the stimulus. The doctor concludes that ______________. A. The stroke caused damage to Joe's frontal eye field which interfered with his effort to touch his chin B. The stroke caused damage to Joe's right primary motor cortex C. The stroke caused damage to Joe's left premotor cortex D. Based on the doctor's observations, none of the listed answers are correct conclusions

D

Visual area

Occipital lobe

Primary somatosensory cortex

Parietal lobe