Chapter 14 Flashcards
What is the function of the midbrain? conscious thought coordination of complex motor patterns relays sensory information to the thalamus processes visual data
processes visual data
What is the function of the cerebrum? processes visual data conscious thought coordination of complex motor patterns relays sensory information to the thalamus
conscious thought
What is the function of the pons? conscious thought processing visual data relaying sensory information to the thalamus coordination of complex motor patterns
relaying sensory information to the thalamus
What is the function of the cerebellum? processes visual data relays sensory information to the thalamus coordination of complex motor patterns conscious thought
coordination of complex motor patterns
The adult human brain contains almost \_\_\_\_\_\_\_\_ of the body's neural tissue. 35 percent 68 percent 15 percent 97 percent 25 percent
97 percent
Autonomic centers that control blood pressure, heart rate, and digestion are located in the diencephalon. cerebellum. mesencephalon. medulla oblongata. pons.
medulla oblongata.
Sensory information is processed and relayed to the cerebrum by the thalamus. cerebellum. midbrain. medulla oblongata. pons.
thalamus
The \_\_\_\_\_\_\_\_ provides the principal link between the nervous and endocrine systems. pons hypothalamus medulla oblongata cerebrum cerebellum
hypothalamus
The CSF leaves the CNS and enters the circulation at the \_\_\_\_\_\_\_\_\_\_. pia mater arachnoid trabeculae arachnoid granulations denticular ligaments
arachnoid granulations
Which of these is not a property of cerebrospinal fluid (CSF)?
It is produced at the arachnoid granulations.
It protects the brain and spinal cord.
It supports the brain.
It circulates in the subarachnoid space.
It is produced at the arachnoid granulations.
Specialized \_\_\_\_\_\_\_\_ cells form the secretory component of the choroid plexus. epididymal ependymal blood astrocytes appended
ependymal
Which of the following is a property of the blood-brain barrier?
It is absent in portions of the hypothalamus.
Astrocytes surround the CNS capillaries.
It is generally permeable to lipid-soluble compounds.
The capillary endothelial cells are interconnected by tight junctions.
All of the answers are correct.
All of the answers are correct.
Cerebrospinal fluid
is formed by a passive process.
contains blood cells and blood plasma.
is normally produced twice as fast as it is removed.
has almost the same composition as blood plasma.
is secreted by ependymal cells.
is secreted by ependymal cells.
Cerebrospinal fluid enters the subarachnoid space through the lateral and median apertures. interventricular foramina. aqueduct of Sylvius. falx cerebri. dural sinus.
lateral and median apertures.
Which of the following help to protect the brain? the blood-brain barrier the bones of the skull the CSF the cranial meninges All of the answers are correct.
All of the answers are correct.
What contains a spider web-like network of cells and fibers through which cerebrospinal fluid flows? subarachnoid space dural sinus pia mater falx cerebri subdural space
subarachnoid space
Ependymal cells work to
1. adjust the composition of CSF. 2. surround the capillaries of the choroid plexus. 3. secrete CSF into the ventricles. 4. remove waste products from CSF. 5. All of the answers are correct.
- All of the answers are correct.
The choroid plexus produces CSF at a rate of about 250 mL/day. 50 mL/day. 1000 mL/day. 150 mL/day. 500 mL/day.
500 mL/day.
Which of the following is not a function of cerebrospinal fluid?
provides buoyant support for the brain
acts as a transport medium for nutrients
provides cushioning for delicate neural tissues
acts as a transport medium for waste products
provides ATP for impulse transmission
provides ATP for impulse transmission
The cells that cover the outer surfaces of CNS capillary endothelial cells are the astrocytes. leukocytes. lymphocytes. monocytes. blastocytes.
astrocytes.
The center in the medulla oblongata where the first synapse in the auditory pathway is made is the \_\_\_\_\_\_\_\_\_\_. vestibular nucleus cochlear nucleus reticular formation posterior column nucleus
cochlear nucleus
The control of heart rate and blood pressure is based in the cerebellum. cerebrum. diencephalon. medulla oblongata. heart.
medulla oblongata.
The respiratory rhythmicity center is located in the cerebellum. the medulla oblongata. the cerebrum. the pons. the midbrain.
the medulla oblongata.
The cardiovascular reflexes are based in the cerebellum. cerebrum. medulla oblongata. spinal cord. mesencephalon.
medulla oblongata.
Which of these is found in the pons? respiratory control nuclei tracts to the cerebellum nuclei for four cranial nerves All of these are found in the pons.
All of these are found in the pons.
Making rapid postural adjustments is a major function of the \_\_\_\_\_\_\_\_\_\_. diencephalons cerebrum cerebellum medulla oblongata
cerebellum
The tract that links the cerebellum with the pons is the obverse fibers. superior cerebellar peduncle. longitudinal fibers. inferior cerebellar peduncle. middle cerebellar peduncle.
middle cerebellar peduncle.
The cerebellar hemispheres are separated by a band of cortex called the pyramid. arbor vitae. folia. flocculonodular lobe. vermis.
vermis.