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