chap18 hw:
Which part of the brain is also considered part of the endocrine system as it releases hormones that influence pituitary gland activity?
hypothalamus
The glossopharyngeal (IX) nerve terminates in which region of the brain?
medulla oblongata
The spinal cord extends superiorly to what portion of the brain?
medulla oblongata
What is the destination of sensory fibers of cranial nerve X?
medulla oblongata
What parts of the brain develop from the rhombencephalon?
medulla oblongata
All of these kinds of fiber bundles are in the central white matter of the cerebrum EXCEPT:
transverse
By seven weeks of age the embryonic Prosencephalon has differentiated into the telencephalon and the diencephalon.
true
The fourth ventricle lies between the brain stem and the cerebellum?
true
Which of the following is NOT a correct match for cranial nerve function?
VII - taste receptors
Which cranial nerve is responsible for conveying impulses related to hearing and equilibrium?
Vestibulocochlear (VIII)
The hypoglossal nerve leaves the cranium through the
hypoglossal canal
Which of the following is not one of the functions of the reticular formation?
hearing
Which of the following cranial nerves are associated with eye movement?
CN 3, 4 & 6
Motor information which tends to slow heart rate, stimulate parts of the digestive system is carried from the brain in the __________ cranial nerve.
CN X
Which cranial nerve is responsible for stimulating the secretion of saliva?
Glossopharyngeal (IX)
Important functions of the hypothalamus include which of the following:
Production of hormones. Regulation of emotional and behavioral patterns. Control of the ANS. Regulation of eating and drinking
brain protection:
The bones of the skull The cranial meninges The cerebrospinal fluid The blood-brain barrier
TRUE
The falx cerebri separates the two hemispheres of the cerebrum. The falx cerebelli separates the two hemispheres of the cerebellum. The tentorium cerebelli separates the cerebrum from the cerebellum. The falx cerebri is an extension of the dura mater
FALSE
The hypothalamus is a small part of the epithalamus.
TRUE
The transverse fissure and the tentorium cerebelli separate the cerebellum from the cerebrum. The cerebellar peduncles attach the cerebellum to the brain stem. The thalamus makes up 80% of the diencephalon.
The lateral rectus muscle of the eye is innervated by the
abducens nerve
The facial nerve transmits gustatory (taste) information from the
anterior tongue
cochlear branch of vestibulocochlear nerve
carries impulses for hearing
The largest part of the brain is the
cerebrum
Axons on the medial half of the optic nerve cross to opposite sides of the brain in the optic
chiasm
Where is cerebrospinal fluid produced?
choroid plexus
The majority of cerebral spinal fluid (CSF) production is from which of the following sites?
choroid plexuses
What structures are the sites of CSF production, and where are they located?
choroid plexuses
cerebrospinal fluid
circulates through subarachnoid spaces is produced at the choroid plexus is regulated in composition by ependymal cells eventually is reabsorbed to the blood stream through arachnoid villi at dural sinuses
Which structure(s) protect the brain?
cranium, dura mater, arachnoid mater, pia mater protect the brain
Which part of the brain is immediately superior to the brainstem?
diecephalon
Which of the following is NOT a function of the hypothalamus?
does not regulate eating
Which of the following correctly identifies the layers of the cranial meninges from superficial to deep?
dura mater, arachnoid mater, pia mater
The basal nuclei of the cerebrum comprise nuclei called the caudate, the lentiform and the amygdaloid.
false
The falx cerebri is a fold of the arachnoid mater that protects the cerebral hemispheres in the longitudinal fissure.
false
Which of the following is/are functions of the basal nuclei?
initiation and termination of movement anticipation of body movement subconscious contraction of skeletal muscles
The blood brain barrier
is selectively permeable and restricts passage of certain substances into tissues of the brain depends on tight junctions formed by endothelium of capillaries is essential in maintaining a constant environment within tissue of the brain
true about the arbor vitae:
it is a branching pattern of myelinated axons within the cerebellum
What is the fornix?
it is a part of the limbic system
The accessory nerve leaves the cranium through the
jugular foramen
The facial nerve is motor to
lacrimal glands sublingual glands
This region of the cerebral hemisphere is responsible for touch, proproception, pain, itch, and thermal sensations.
primary somatosensory area
The function of the medulla oblongata include
regulate heart rate link the brain with the spinal cord regulate distribution of blood flow
Which part of the brain contains the cerebellum?
rhombencephalon
The accessory nerve is motor to
sternocleidomastoid
Reflexive tracking of a baseball moving towards the batter is controlled through which region of the brain?
superior colliculi
The optic nerve conveys ____ information.
visual
