How can we help?

You can also find more resources in our Help Center.

bio 221 lab test 3

STUDY
PLAY
sulci
The surface of the cerebral hemispheres consists of ridges and grooves. The shallow grooves are called ________.
frontal and parietal lobes
The central sulcus of each cerebral hemisphere separates the ________.
occipital
In which lobe of the brain is the primary visual cortex located?
fiber tracts
White matter of the CNS consists of ________.
medulla oblongata
This part of the brain stem is continuous with the spinal cord.
consists of fibers that connect the cerebral hemispheres
The corpus callosum ________.
pia mater
Three meninges cover the brain and spinal cord. The innermost one is called the ________
Lateral ventricles
Which of the following ventricles is found under the corpus callosum?
cerebral aqueduct
Which passageway connects the third and fourth ventricles?
Central canal
Identify the passageway found in the spinal cord that is continuous with the ventricles
true
Cerebrospinal fluid is produced within the ventricles.
true
The ventricles are all interconnected.
olfactory nerve
Identify cranial nerve I.
optic chiasma
Which of the following areas takes visual information from one side of the body and conveys it to the opposite side?
optic nerve
Which of the following structures is not part of the central nervous system?
Infundibulum
Which of the following structures attach the pituitary gland to the brain?
true
All three regions of the brain stem can be observed on the ventral surface of the brain.
corpus callosum
What structure connects the right and left cerebral hemispheres?
Thalamus
Which of the following areas form the central core of the brain
cerebellum
Where is the arbor vitae located?
superior colliculus
What part of the corpora quadrigemina is clearly observed in a midsagittal section?
cerebrum
Which region of the brain is necessary for consciousness?
lateral ventricles
Which ventricles are divided by the septum pellucidum?
gray matter
What type of tissue makes up the cerebral cortex?
transmit messages
What is the function of white matter?
true
The composition of gray matter includes neuron cell bodies.
true
White matter has a fatty consistency.
meninges
Name the membranous encasement surrounding the brain.
diencephalon
Which of the following regions cannot be observed superficially?
cerebrum
Which region of the brain contains gyri and sulci?
transverse fissure
Which of the following landmarks separate the cerebrum from the cerebellum?
longitudinal fissure
Which of the following landmarks divides the cerebrum in half?
three
The meninges consist of ___ layers.
dura mater
Which of the following is the outer layer of the meninges?
precentral gyrus
is a major motor area of the brain
They are reflex centers for visual and auditory stimuli.
What is the function of the corpora quadrigemina?
interventricular foramen
Cerebrospinal fluid formed in the lateral ventricles travels through the ________ to reach the third ventricle.
optic
This purely sensory cranial nerve carries signals associated with vision.
the eyeball
what does the cranial nerves III, IV, and VI move?