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BIO 121 Quiz 10 Brain and cranial (practice quiz)
Terms in this set (79)
The Roman numeral VIII indicates the ________ nerve.
The Roman numeral V indicates the ________ nerve.
Which of the cranial nerves is named for the fact that it wanders
Which of the following symptoms would you associate with damage to the accessory nerve?
weakness of the sternocleidomastoid muscle
The cerebellum relies on information from
all of the above
Sensory information is processed and relayed to the cerebrum by the
Cerebrospinal fluid flows within the
Autonomic centers that control blood pressure, heart rate, and digestion are located in the
Complex motor activities such as riding a bicycle
require the coordinated activity of several regions of the brain
A large bundle of nerve fibers that allow communication between the right and left hemispheres of the brain is the:
The subdural space lies between
dura mater and arachnoid mater
As you ascend from the medulla oblongata to the cerebrum, the functions of each successive level become
both more complex and less crucial to visceral functions.
Which of the following is a function of the thalamus?
process sensory information and relay it to the cerebrum
Divisions of the cerebral hemispheres that are named after the overlying skull bones are
The area of the motor cortex that is devoted to a particular body region is proportional to the
number of motor units in that region.
The general interpretive (Wernicke's) area
allows us to interpret what is read or heard.
Motor neurons whose cell bodies are within the spinal cord are called ________ neurons
The choroid plexuses produces CSF at a rate of about
The corpus callosum is composed of
The limbic system includes which of the following:
0 / 1 point
A(n)___________ is a temporary cerebral disorder accompanied by abnormal movements, unusual sensations, and/or inappropriate behavior.
The region of the cerebral cortex that is medial and deep to the temporal lobe is the
The pons contain
Which of the following lies between the cerebrum and the brainstem?
Excitation of neurons in the basal nuclei would lead to
increased muscle tone
Stimulation of the reticular formation results in
The primary motor cortex is the surface of the
The two cerebral hemispheres are separated by the
Cerebrospinal fluid circulates through both the brain and spinal cord
Each lateral ventricle communicates with the third ventricle through a(n)
Specialized ________ cells help form the choroid plexus.
The __________ provides the principal link between the nervous and endocrine systems.
The ventricle associated with the cerebellum, pons, and upper medulla is the
A patient develops a tumor of a cranial nerve that leads to difficulty in speaking from a loss of tongue movement. Which cranial nerve is affected?
The cranial nerves that innervate the eye muscles are
III, IV, and VI.
There are ________ pairs of cranial nerves
The cranial nerve that has three major branches is the
trigeminal (tri- three)
The spinal cord consists of:
both white and grey matter
The layer of the meninges that closely follows every gyrus and sulcus is the
The respiratory rhythmicity center is located in the
The __________ filters and relays sensory information to the cerebral corte
The sense of taste projects to the gustatory cortex located in the ________
Which of the following is not a property of the limbic system?
functions in maintaining homeostasis in cold weather
After suffering a stroke, Mary finds that she cannot move her right arm. This would suggest that the stroke damage is in the area of the ________ lobe.
The region of the brain responsible for predicting the consequence of events or actions is the
prefrontal cerebral cortex.
The motor cortex:
all of the above
the auditory cortex is located in the
temporal lobe (ears are close to temporal lobe)
Damage to the pyramidal cells of the primary motor cortex would directly affect
voluntary motor activity
Overseeing the postural muscles of the body and making rapid adjustments to maintain balance and equilibrium are functions of the
Cerebrospinal fluid enters the blood circulation at the
superior sagittal sinus.
The structure concerned with integration of sensory impulses such as recognition of a slashed wrist as painful is the:
A neural cortex is found on the surface of the
cerebellum and cerebral hemispheres.
Within each hemisphere, deep to the floor of the lateral ventricle, you will find the
ou suspect your friend has damage to cranial nerve I when he is unable to
smell his food
Gustatory information reaches the brain by way of
cranial nerve IX.
Damage to the ________ nerve would result in near paralysis of the eye.
Jean needs to have a tooth in her mandible filled. Her dentist injects a local anesthetic to block pain afferents in one of her cranial nerves. What cranial nerve does the dentist numb?
The control of heart rate and blood pressure is based in the
Joe begins to experience mood swings and disturbed thirst and hunger. Imaging studies indicate that a brain tumor is the likely cause of these disorders. Where in the brain is the tumor most likely located?
Which of the following is directly associated with sleep and wakefulness:
The cardiovascular reflexes are based in the
medulla oblongata. heart is oblong
The basal nuclei
provide the general pattern and rhythm for movements such as walking
The white matter of the cerebellum forms the
Each of the following is an ascending tract in the spinal cord, except the
Which structure is covered by many blood vessels and adheres tightly to the surface of the brain?
The neural tissue is isolated from the general circulation by the ________________.
Which of the following helps protect the brain?
all of the above
After suffering a blow to the back of the head, Phil loses his vision. The blow probably caused damage to the
___________ is a printed record of the brain's electrical activity over a period of time.
The third and fourth ventricles are linked by a slender canal designated as the
The cerebral area posterior to the central sulcus is the
The surface of the postcentral gyrus contains the _______________ cortex.
Parkinson disease is the result of
inadequate production of dopamine by substantia nigra neurons
Olfactory receptors send axons through the cribriform plate and synapse on neurons in the
Only about ________ percent of the information provided by sensory fibers reaches the cerebral cortex and our awareness.
Bob is struck on the left side of the head and is knocked unconscious. When he recovers consciousness, he can hear individual words but cannot understand the meaning of phrases or sentences. This implies damage to his
general interpretive area
The visual cortex is located in the
The sense of taste projects to the gustatory cortex located in the ________.
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