Mastering A&P- Chapter 13
When the rock hit Cesar, the impact was softened by several protective features of the head. Which of the following structures would have helped to protect the brain from the external force? - Bone - Dura mater - Basal ganglia - Hair - White matter - Oligodendrocytes - Cerebrospinal fluid
- Bone - Dura mater - Hair - Cerebrospinal fluid
T/F: The brain is a solid organ that lacks cavities.
False
T/F: The cerebellum is present on the ventral surface of the sheep brain.
False
T/F: The pineal body secretes melanocyte stimulating hormone (MSH).
False
T/F: The reticular activating system (RAS) contains structures that regulate and cause emotional responses.
False
The__________pathway carries information on pain, temperature, deep pressure, and coarser aspects of the sense of touch stimuli that we are aware of but cannot localize precisely.
Spinothalamic
T/F: All three regions of the brain stem can be observed on the ventral surface of the brain.
True
T/F: Cerebrospinal fluid is produced within the ventricles.
True
T/F: The composition of gray matter includes neuron cell bodies.
True
T/F: The foramen magnum marks the border between the medulla oblongata and spinal cord.
True
T/F: The inferior colliculi are part of the corpora quadrigemina.
True
T/F: The limbic system has neural ties to the autonomic nervous system, the hypothalamus, and the reticular formation.
True
T/F: The pituitary gland (hypophysis) is connected to the hypothalamus and receives regulatory impulses that control the secretion of hormones.
True
T/F: The vasomotor center of the medulla regulates blood pressure.
True
T/F: The ventricles are all interconnected.
True
T/F: The white matter of the spinal cord contains ascending and descending pathways known as tracts.
True
T/F: White matter has a fatty consistency.
True
T/F: In the olivary nuclei in the medulla, mostly proprioceptive sensory impulses are relayed to the cerebellum.
True
T/F: The amygdala is part of the limbic system and has neurons that process the emotions and reactions to fear.
True
T/F: The diencephalon is found in between the brain stem and the cerebrum.
True
T/F: The hypothalamus, in addition to the cerebral cortex, is in control of emotional responses.
True
T/F: The medullary respiratory center controls the rhythm and rate of breathing.
True
Which region of the brain is necessary for consciousness? a. Cerebrum b. Diencephalon c. Brain stem d. Cerebellum
a. Cerebrum
Which of the following is the outer layer of the meninges? a. Dura mater b. Arachnoid c. Pia mater d. Dural sinus
a. Dura mater
Which region of the diencephalon contains the pineal body? a. Epithalamus b. Corpora quadrigemina c. Midbrain d. Hypothalamus
a. Epithalamus
Which ventricle is located within the brain stem? a. Fourth ventricle b. Third ventricle c. First ventricle d. Second ventricle
a. Fourth ventricle
Which of the following ventricles is found under the corpus callosum? a. Lateral ventricles b. Third ventricle c. Fourth ventricle d. Fornix
a. Lateral ventricles
Which of the following landmarks divides the cerebrum in half? a. Longitudinal fissure b. Vermis c. Transverse fissure d. Lateral sulcus
a. Longitudinal fissure
Which area of the brain stem is in contact with the spinal cord? a. Medulla oblongata b. Cerebellum c. Midbrain d. Pons
a. Medulla oblongata
Identify cranial nerve I. a. Olfactory nerve b. Oculomotor nerve c. Optic nerve d. Optic tract
a. Olfactory nerve
Which of the following structures is not part of the central nervous system? a. Optic nerve b. Optic chiasm c. Optic tract d. Mammillary body
a. Optic nerve
What part of the corpora quadrigemina is clearly observed in a midsagittal section? a. Superior colliculus b. Corpus callosum c. Inferior colliculus d. Optic chiasm
a. Superior colliculus
Which region acts as a relay center for sensory messages ascending to the cerebrum? a. Thalamus b. Hypothalamus c. Pons d. Corpus callosum
a. Thalamus
Which of the following is associated with Alzheimer's disease? a. accumulation of protein plaques around neurons b. inadequate vitamin B c. deterioration of the substantia nigra of the midbrain d. cerebral ischemia
a. accumulation of protein plaques around neurons
The fluid-filled ventricles within the cerebrum are similar in function to the ________ of the spinal cord. a. central canal b. subarachnoid space c. pia mater d. dura mater
a. central canal
Cerebrospinal fluid is produced by choroid plexuses in all the following locations except the a. central canal. b. lateral ventricle. c. fourth ventricle. d. third ventricle.
a. central canal.
Which fiber tract carries the sensations of discriminative touch and proprioception? a. dorsal column b. spinothalamic tract c. corticospinal tract d. spinocerebellar tract
a. dorsal column
The sheet of dura mater that separates the right and left cerebral hemispheres is the a. falx cerebri. b. superior sagittal sinus. c. tentorium cerebri. d. falx cerebelli.
a. falx cerebri.
Which of these regions lies between the optic chiasma and the posterior border of the mammillary bodies? a. hypothalamus b. cerebrum c. cerebellum d. thalamus
a. hypothalamus
Which of these regions of the brain regulates body temperature, hunger, and thirst? a. hypothalamus b. cerebrum c. cerebellum d. thalamus
a. hypothalamus
Which of these regions of the brain regulates hormonal secretions from the pituitary gland (hypophysis)? a. hypothalamus b. cerebrum c. cerebellum d. thalamus
a. hypothalamus
Sleep-wake cycles are controlled by the pineal gland and the a. hypothalamus. b. visual cortex. c. medulla oblongata. d. thalamus.
a. hypothalamus.
Cerebrospinal fluid (CSF) __________. a. is formed in the choroid plexuses of all four brain ventricles b. has the same chemical composition as blood plasma c. is an effective barrier against all poisons and drugs d. has more protein and less sodium and chloride ions than blood plasma e. All of the listed responses are correct.
a. is formed in the choroid plexuses of all four brain ventricles
ALS would NOT be associated with which of the following? a. memory difficulty b. difficulty breathing c. abnormal stretch reflexes (deep tendon reflexes) d. loss of muscle strength
a. memory difficulty
The axons in the inferior olivary nuclei relay sensory impulses for a. proprioception. b. smell. c. vision. d. sound.
a. proprioception.
The cell bodies located in the anteriormost region of the spinal cord's gray matter belong to this group. a. somatic motor b. somatic sensory c. visceral sensory d. visceral motor
a. somatic motor
A lesion to the inferior olivary nucleus in the medulla would interfere with the function of which other structure(s)? a. the cerebellum b. the limbic system c. the reticular formation d. spinal motor neurons
a. the cerebellum
After someone faints, smelling salts of ammonia may be placed under the person's nose. The person breathes the ammonia vapors, which deliver a sharp jolt to the nasal membranes, and the person wakes up. This illustrates a. the function of sensory input to the reticular activating system. b. how smells elicit memories of being awake, causing the person to awaken. c. the function of the hypothalamus in controlling sleep. d. how smells bring about emotions.
a. the function of sensory input to the reticular activating system.
In an ascending (sensory) pathway, second-order interneurons synapse with third-order interneurons in __________. a. the thalamus b. the pons or cerebellum c. the medulla oblongata d. the cervical spinal cord
a. the thalamus
Which of the following grooves separates the cerebrum from the cerebellum? a. transverse cerebral fissure b. central sulcus c. longitudinal fissure d. lateral sulcus
a. transverse cerebral fissure
How many major regions are contained within the diencephalon? a. 2 b. 3 c. 4 d. 1
b. 3
How many regions make up the brain stem? a. 2 b. 3 c. 4 d. 1
b. 3
The meninges consist of ___ layers. a. 4 b. 3 c. 2 d. 1
b. 3
Identify the passageway found in the spinal cord that is continuous with the ventricles. a. Choroid plexus b. Central canal c. Interventricular foramina d. Cerebral aqueduct
b. Central canal
What structure connects the right and left cerebral hemispheres? a. Vermis b. Corpus callosum c. Intermediate mass d. Septum pellucidum
b. Corpus callosum
Which of these statements is true of the hypothalamus? a. It contains centers that regulate sneezing, hiccupping, and coughing. b. It controls the autonomic nervous system and regulates hunger and thirst sensations. c. It contains the cardiac and vasomotor centers that regulate heartrate and blood pressure. d. It controls emotional responses and provides information on equilibrium.
b. It controls the autonomic nervous system and regulates hunger and thirst sensations.
Name the membranous encasement surrounding the brain. a. Lamina propria b. Meninges c. Epineurium d. Choroid plexus
b. Meninges
Which region contains the corpora quadrigemina? a. Medulla oblongata b. Midbrain c. Epithalamus d. Pons
b. Midbrain
Which of the following areas takes visual information from one side of the body and conveys it to the opposite side? a. Olfactory bulbs b. Optic chiasm c. Optic tract d. Optic nerve
b. Optic chiasm
Which of the following areas form the central core of the brain? a. Epithalamus b. Thalamus c. Cerebellum d. Hypothalamus
b. Thalamus
Which of the following landmarks separate the cerebrum from the cerebellum? a. Central sulcus b. Transverse fissure c. Longitudinal fissure d. Corpus callosum
b. Transverse fissure
It is easy to confuse the terms sulcus and gyrus (on the cerebral cortex). The difference between these two terms is that a. a sulcus corresponds to a folia on the cerebellum, whereas a gyrus corresponds to a fissure. b. a gyrus is a ridge, and a sulcus is a groove. c. a sulcus is the same as a fissure on the cerebral cortex, whereas a gyrus is a lobe. d. a sulcus is a groove, and a gyrus is a deeper groove.
b. a gyrus is a ridge, and a sulcus is a groove.
Which symptom is LEAST suggestive of a cerebellar disorder? a. The inability to touch one's nose with one's eyes closed. b. abnormal and painful sensations in one's legs and feet c. slow, jerky, imprecise movements d. imbalance and frequently falling
b. abnormal and painful sensations in one's legs and feet
The subarachnoid space lies between what two layers of meninges? a. arachnoid and bone of skull b. arachnoid and pia c. arachnoid and dura d. dura and epidura
b. arachnoid and pia
The insula is considered to be part of the ________. a. hypothalamus b. cerebrum c. cerebellum d. thalamus
b. cerebrum
Which of these regions has two hemispheres connected by the corpus callosum? a. hypothalamus b. cerebrum c. cerebellum d. thalamus
b. cerebrum
Which of these regions of the brain contains the basal forebrain nuclei in the deep gray matter? a. hypothalamus b. cerebrum c. cerebellum d. thalamus
b. cerebrum
Which of these regions of the brain has frontal, parietal, temporal, and occipital lobes, as well as the insula? a. hypothalamus b. cerebrum c. cerebellum d. thalamus
b. cerebrum
Trace the path of circulation of cerebral spinal fluid (CSF) from production to absorption. a. arachnoid villi, ventricles of the brain, subarachnoid space, choroid plexus, superior sagittal sinus b. choroid plexus, ventricles of the brain, subarachnoid space, arachnoid villi, superior sagittal sinus c. ventricles of the brain, choroid plexus, arachnoid villi, subarachnoid space d. third ventricle, fourth ventricle, central canal of spinal cord, lateral and median apertures Submit
b. choroid plexus, ventricles of the brain, subarachnoid space, arachnoid villi, superior sagittal sinus
Which of the following is a motor area for vision? a. visual association area b. frontal eye field c. premotor cortex d. primary visual cortex
b. frontal eye field
The function of the blood-brain barrier is to a. provide an impenetrable barrier between blood and brain, because the brain gets all its nourishment from the cerebrospinal fluid. b. help protect the central nervous system. c. keep neurons from innervating blood vessels. d. prevent all contact between bloodborne molecules and brain tissue.
b. help protect the central nervous system.
The visual cortex is located in the _________ lobe. a. frontal lobe b. occipital lobe c. parietal lobe d. insular lobe
b. occipital lobe
The __________ governs arousal of the brain as a whole, and maintains consciousness and alertness. a. anterior association area b. reticular formation c. posterior association area d. medulla oblongata e. basal forebrain nuclei
b. reticular formation
The cell bodies located in the posteriormost region of the spinal cord's gray matter belong to this group. a. visceral motor b. somatic sensory c. somatic motor d. visceral sensory
b. somatic sensory
If a person's corpus callosum was severed __________. a. the person would not be able to distinguish a pleasant odors from unpleasant ones b. that person would experience a lack of communication between the right and left cerebral hemispheres c. the person would be deaf in the left ear, would be blind in the right eye, and would not be able to read d. the person would die shortly after the injury
b. that person would experience a lack of communication between the right and left cerebral hemispheres
Cell bodies of the sensory neurons of the spinal nerves are located in a. the thalamus. b. the dorsal root ganglia external to the spinal cord. c. nuclei of the cranial nerves. d. the posterior gray horn of the spinal cord.
b. the dorsal root ganglia external to the spinal cord.
Neural plasticity may occur when __________. a. neuroglial cells in the CNS form parallel bands to guide axonal extensions to their original target b. undamaged neurons in the brain sprout new cytoplasmic branches after a stroke that partially restores lost functions c. damaged neurons regenerate new cell bodies that restore motor function that was lost after a stroke d. the brain "bounces" against the interior of the cranium without sustaining permanent damage
b. undamaged neurons in the brain sprout new cytoplasmic branches after a stroke that partially restores lost functions
Where is the arbor vitae located? a. Brain stem b. Cerebrum c. Cerebellum d. Diencephalon
c. Cerebellum
Which passageway connects the third and fourth ventricles? a. Septum pellucidum b. Central canal c. Cerebral aqueduct d. Interventricular foramen
c. Cerebral aqueduct
Which region of the brain contains gyri and sulci? a. Cerebellum b. Diencephalon c. Cerebrum d. Brain stem
c. Cerebrum
What type of tissue makes up the cerebral cortex? a. Nerves b. Meninges c. Gray matter d. White matter
c. Gray matter
What is the function of the cingulate gyrus? a. It is the region that processes fear and stimulates the appropriate sympathetic response. b. It is an auditory processing center responsible for the conscious awareness of sound; located along the superior edge of the temporal lobe. c. It mediates emotional responses to sensory stimuli and generates visceral and behavioral responses to emotions. d. It encodes, consolidates, and later retrieves memories of facts and events.
c. It mediates emotional responses to sensory stimuli and generates visceral and behavioral responses to emotions.
How are the right and left cerebral hemispheres specialized for different functions? a. The right cerebral hemisphere has more control over logical reasoning. b. The right cerebral hemisphere is primarily involved with intuition, emotion, math skills, and logic. c. The left cerebral hemisphere has greater control over math and language. d. The left cerebral hemisphere directs musical and artistic abilities, visual-spatial skills, and the ability to read facial expressions.
c. The left cerebral hemisphere has greater control over math and language.
Why does the size of the ventral horns of the spinal cord vary along its length? a. The size of the ventral horns is influenced by the size of the cavity of the central canal of the spinal cord. b. The ventral horns contain both somatic motor and somatic sensory neurons. c. The size of the ventral horns reflects the amount of skeletal musculature innervated at each level. d. The ventral horns have the largest neurons in them.
c. The size of the ventral horns reflects the amount of skeletal musculature innervated at each level.
Which of the following functions is NOT associated with the spinal cord? a. The spinal cord is a major integration center for reflexes. b. It provides a two-way conduction pathway for signals between the body and the brain. c. Through the cranial nerves that attach to it, the spinal cord is involved in sensory and motor innervation of the head and neck. d. Through the spinal nerves that attach to it, the spinal cord is involved in sensory and motor innervation of the entire body inferior to the head. e. All of the statements are functions attributed to the spinal cord. There are no exceptions.
c. Through the cranial nerves that attach to it, the spinal cord is involved in sensory and motor innervation of the head and neck.
All of the following are structures of the limbic system except the a. hippocampus. b. cingulate gyrus. c. caudate nucleus. d. amygdaloid nucleus.
c. caudate nucleus.
Which of these regions of the brain, besides the cerebrum, has an outer cortical layer of gray matter? a. hypothalamus b. cerebrum c. cerebellum d. thalamus
c. cerebellum
Which lobe of the cerebrum is responsible for planning and initiating voluntary motor movement? a. parietal lobe b. occipital lobe c. frontal lobe d. temporal lobe
c. frontal lobe
The main visceral control center of the brain is the a. reticular formation. b. cerebral cortex. c. hypothalamus. d. thalamus.
c. hypothalamus.
Which brain region coordinates all of these critical functions: adjusts the rate and force of heart contractions, adjusts blood vessel diameter to regulate blood pressure, and regulates respiration rates? a. hypothalamus b. cerebellum c. medulla oblongata d. hindbrain e. midbrain f. pons
c. medulla oblongata
What types of sensory information are conveyed toward the brain in the lateral spinothalamic tracts? a. visual senses b. equilibrium c. pain and temperature d. discriminative touch
c. pain and temperature
The only one of the meninges that follows the brain surface into a cerebral sulcus is the a. arachnoid mater. b. dura mater. c. pia mater. d. alma mater.
c. pia mater.
Damage to which region of the brain would result in someone being unable to identify an item in his or her pocket by touch alone? a. posterior association area b. visual association area c. somatosensory association cortex d. visceral sensory area
c. somatosensory association cortex
A shallow groove on the surface of the cerebral cortex is called a a. gyrus. b. fissure. c. sulcus. d. furrow.
c. sulcus.
Which areas of the brain are most likely to process and store motor skill memories? a. the amygdala and cingulate gyrus b. the thalamus and hypothalamus c. the premotor cortex, basal ganglia, and cerebellum d. the ependymal cells and ventricles
c. the premotor cortex, basal ganglia, and cerebellum
Emergency room doctors ordered an X-ray of Jonah's vertebrae to try and determine what type of damage might be present. Vertebrae T4 and T5 were out of alignment with one another, which greatly concerned the doctors. Why? Select all that apply. a. Vertebrae displacement always results in the spinal cord's being damaged. b. Damage to the spinal cord in that region could cause quadriplegia. c. Damage to the spinal cord in that region could lead to an inability to breathe properly. d. Damage to the spinal cord in that region could cause paraplegia. e. If the vertebrae are not properly aligned, the vertebral canal through which the spinal cord travels would not be aligned.
d. Damage to the spinal cord in that region could cause paraplegia. e. If the vertebrae are not properly aligned, the vertebral canal through which the spinal cord travels would not be aligned.
Which of the following regions cannot be observed superficially? a. Longitudinal fissure b. Cerebellum c. Cerebrum d. Diencephalon
d. Diencephalon
Which part of the diencephalon is connected to the pituitary gland? a. Thalamus b. Epithalamus c. Midbrain d. Hypothalamus
d. Hypothalamus
Which of the following structures attach the pituitary gland to the brain? a. Hypothalamus b. Pia mater c. Optic chiasm d. Infundibulum
d. Infundibulum
Which ventricles are divided by the septum pellucidum? a. Third and fourth ventricles b. First and second ventricles c. Lateral and third ventricle d. Lateral ventricles
d. Lateral ventricles
Which of the following glands can be observed on the ventral surface of the sheep brain? a. Pineal gland b. Olfactory bulb c. Mammillary body d. Pituitary gland
d. Pituitary gland
After a long recovery, Cesar was able to return to work. But his coworkers noticed some drastic changes. Cesar had once been a smart dresser, but now he was unkempt. Once a person you could entrust with secrets, he now revealed the most-secret office gossip to everyone. Most notable was his habit of washing his socks in the employee lounge. What region of Cesar's brain was affected by the subdural hematoma? a. Occipital lobe b. Primary motor area c. Temporal lobe d. Prefrontal cortex e. Primary somatosensory area
d. Prefrontal cortex
Cutting the corpus callosum would lead to which of the following? a. Emotional problems develop. b. One-half of the body is paralyzed. c. Visual reflexes are lost. d. The right cerebral hemisphere cannot communicate directly with the left hemisphere.
d. The right cerebral hemisphere cannot communicate directly with the left hemisphere.
What is the role of the inferior colliculi of the corpora quadrigemina? a. They induce head and eye tracking movements in response to unexpected visual stimuli. b. They secrete melatonin and help regulate sleep-wake cycles. c. They secrete dopamine during sexual arousal. d. They induce reflexive responses to unexpected sounds, which results in head and eye tracking movements in response to the auditory stimuli. e. They invoke excitatory physiological reactions in response to fearful stimuli.
d. They induce reflexive responses to unexpected sounds, which results in head and eye tracking movements in response to the auditory stimuli.
What is the function of white matter? a. Produces cerebrospinal fluid b. Processes information c. Supports neurons d. Transmits messages
d. Transmits messages
Which of the following is not part of the basal ganglia? a. putamen b. globus pallidus c. caudate nucleus d. Wernicke's area
d. Wernicke's area
What and where is the "dorsal stream"? a. an auditory processing center responsible for the conscious awareness of sound; located along the superior edge of the temporal lobe b. a visual processing center responsible for recognizing objects; located in the inferior temporal lobe c. a visceral sensory area responsible for the conscious awareness of hunger or nausea; located in the insula d. a multimodal association area and visual processing center responsible for perceiving spatial relationships; extends from the posterior parietal cortex to the postcentral gyrus
d. a multimodal association area and visual processing center responsible for perceiving spatial relationships; extends from the posterior parietal cortex to the postcentral gyrus
The function of arachnoid granulations is to __________. a. circulate hormones between different parts of the CNS b. allow the brain and spinal cord to "float" in CSF, preventing them from being crushed under their own weight c. help nourish the brain and spinal cord d. act as valves that allow CSF to pass from the subarachnoid space into the dural blood sinuses e. make associations between various kinds of sensory information
d. act as valves that allow CSF to pass from the subarachnoid space into the dural blood sinuses
An individual is paraplegic when spinal cord injury occurs __________. a. the damage to the spinal cord is between C6 and C7 spinal segments b. the damage to the spinal cord is between C3 and C5 spinal segments c. the damage to the spinal cord is below S5 spinal segment d. between T1 and L2 spinal segments
d. between T1 and L2 spinal segments
Posterior gray horns of the spinal cord consist of a. dorsal roots. b. motor neurons. c. sensory ganglia. d. cell bodies of interneurons.
d. cell bodies of interneurons.
Two parts of the brain that are most involved in emotions are the a. medulla and cerebellum. b. red nucleus and substantia nigra. c. superior and inferior colliculi. d. cingulate gyrus and hypothalamus.
d. cingulate gyrus and hypothalamus.
The tough, dense fibrous connective tissue meningeal layer is the a. pia mater. b. subarachnoid. c. arachnoid. d. dura mater.
d. dura mater.
Which of these lobes of the cerebrum lies anterior to the central sulcus? a. cerebellum b. temporal lobe c. occipital lobe d. frontal lobe
d. frontal lobe
The gray matter of the spinal cord __________. a. contains cell bodies of somatic motor neurons in the lateral horns b. is located external to the white matter in a layer called the cortex c. contains visceral motor cell bodies in the anterior horns d. is a mixture of neuronal cell bodies, unmyelinated axons, dendrites, and neuroglia e. contains cell bodies of somatic sensory neurons
d. is a mixture of neuronal cell bodies, unmyelinated axons, dendrites, and neuroglia
The cauda equina a. is confined to the thoracic and cervical segments of the spinal cord. b. consists of hair like the tail of a horse. c. describes the radiating patterns of projection fibers. d. is a series of nerve roots in the lumbar and sacral region.
d. is a series of nerve roots in the lumbar and sacral region.
The falx cerebri passes through the _________. a. central sulcus b. lateral sulcus c. transverse cerebral fissure d. longitudinal fissure
d. longitudinal fissure
Neural centers that control heart rate, respiration, and blood pressure are located in the a. midbrain. b. cerebrum. c. thalamus. d. medulla.
d. medulla.
In which brain region are the cerebral peduncles located? a. cerebrum b. pons c. cerebellum d. midbrain
d. midbrain
The brain stem consists of the a. pons, medulla, cerebellum, and midbrain. b. cerebrum, pons, midbrain, and medulla. c. midbrain only. d. midbrain, medulla, and pons.
d. midbrain, medulla, and pons.
The visual association area of the cerebral cortex is located in the a. insula. b. parietal lobe. c. frontal lobe. d. occipital lobe.
d. occipital lobe.
Which of the following is a descending motor spinal tract? a. spinothalamic pathway b. dorsal column pathway c. spinocerebellar pathway d. pyramidal pathway
d. pyramidal pathway
Cerebrospinal fluid is located within the a. superior sagittal sinus. b. orbits. c. cerebral cortex. d. subarachnoid space.
d. subarachnoid space.
Three "seeing/vision" nuclei that occupy the midbrain of humans are the a. lateral geniculate, red nucleus, and visual association area. b. red nucleus, substantia nigra, and cerebral peduncle. c. inferior colliculi, reticular formation, and periaqueductal gray. d. superior colliculi, motor nucleus for oculomotor nerve, and motor nucleus for trochlear nerve.
d. superior colliculi, motor nucleus for oculomotor nerve, and motor nucleus for trochlear nerve.
Which of these regions functions to direct nearly all sensory input, except olfactory impulses, to the cerebral cortex? a. hypothalamus b. cerebrum c. cerebellum d. thalamus
d. thalamus
Which of these regions is the largest part of the diencephalon and forms the upper and lateral walls of the third ventricle? a. hypothalamus b. cerebrum c. cerebellum d. thalamus
d. thalamus
A cerebrovascular accident patient who is unable to recognize faces and objects but can still visually perceive spatial arrangement of objects most likely has damage to a. the primary visual cortex. b. the occipital lobe. c. the posterior association area. d. the temporal lobe.
d. the temporal lobe.
A "motor homunculus" can be visualized as an overlay on the precentral gyrus. The reason why the facial region of this homunculus covers such a large surface area is because a. we have very sensitive lips. b. our ears are large for hearing. c. our eyes are large for seeing. d. we have very expressive faces.
d. we have very expressive faces.
A patient can understand words spoken to him, but has an impaired ability to speak. Which area of the brain related to speech is functioning normally and which area has been damaged? a. anterior association area; limbic association area b. posterior association area; basal ganglia c. Broca's area; Wernicke's area d. basal ganglia; posterior association area e. Wernicke's area; Broca's area
e. Wernicke's area; Broca's area
Areas of the cerebral cortex involved with the initiation of motor impulses are localized to the posterior aspect of the __________. a. parietal lobe b. temporal lobe c. occipital lobe d. insula e. frontal lobe
e. frontal lobe
The thalamus __________. a. contains the nuclei of cranial nerves Vâ€"VII b. is the region in which complex visual stimuli are distinguished and interpreted c. is the structure that connects the right and left cerebral hemispheres d. is a "bridge" that relays nerve impulses between the cerebrum and cerebellum via the middle cerebellar peduncles e. is a collection of approximately 12 nuclei where every type of sensory impulse except olfactory impulses synapse; it is the "gateway" to the cerebral cortex
e. is a collection of approximately 12 nuclei where every type of sensory impulse except olfactory impulses synapse; it is the "gateway" to the cerebral cortex
Region of the adult telencephalon that is covered by parts of the frontal, parietal and temporal lobes.
insula