CHAPTER 12 QUIZ
How many major regions are contained within the diencephalon?
3
How many regions make up the brain stem?
3
The meninges consist of ___ layers.
3
Identify the passageway found in the spinal cord that is continuous with the ventricles.
Central canal
Where is the arbor vitae located?
Cerebellum
Which passageway connects the third and fourth ventricles?
Cerebral aqueduct
Which region of the brain contains gyri and sulci?
Cerebrum
Which region of the brain is necessary for consciousness?
Cerebrum
What structure connects the right and left cerebral hemispheres?
Corpus callosum
Which of the following regions cannot be observed superficially?
Diencephalon
Which of the following is the outer layer of the meninges?
Dura mater
Which region of the diencephalon contains the pineal body?
Epithalamus
The brain is a solid organ that lacks cavities.
False
The cerebellum is present on the ventral surface of the sheep brain.
False
The pineal body secretes melanocyte stimulating hormone (MSH).
False
Which ventricle is located within the brain stem?
Fourth ventricle
What type of tissue makes up the cerebral cortex?
Gray matter
Which part of the diencephalon is connected to the pituitary gland?
Hypothalamus
Which of the following structures attach the pituitary gland to the brain?
Infundibulum
Which of the following ventricles is found under the corpus callosum?
Lateral ventricles
Which ventricles are divided by the septum pellucidum?
Lateral ventricles
Which of the following landmarks divides the cerebrum in half?
Longitudinal fissure
Which area of the brain stem is in contact with the spinal cord?
Medulla oblongata
Name the membranous encasement surrounding the brain.
Meninges
Which region contains the corpora quadrigemina?
Midbrain
Identify cranial nerve I.
Olfactory nerve
Which of the following areas takes visual information from one side of the body and conveys it to the opposite side?
Optic chiasm
Which of the following glands can be observed on the ventral surface of the sheep brain?
Pituitary gland
Which of the following is the best description of the function of region B?
Region B includes neurons whose axons carry motor commands from the cerebrum.
What part of the corpora quadrigemina is clearly observed in a midsagittal section?
Superior colliculus
Which of the following areas form the central core of the brain?
Thalamus
Which region acts as a relay center for sensory messages ascending to the cerebrum?
Thalamus
What is the function of white matter?
Transmits messages
Which of the following landmarks separate the cerebrum from the cerebellum?
Transverse fissure
All three regions of the brain stem can be observed on the ventral surface of the brain.
True
Cerebrospinal fluid is produced within the ventricles.
True
The composition of gray matter includes neuron cell bodies.
True
The diencephalon is found in between the brain stem and the cerebrum.
True
The foramen magnum marks the border between the medulla oblongata and spinal cord.
True
The inferior colliculi are part of the corpora quadrigemina.
True
The ventricles are all interconnected.
True
White matter has a fatty consistency.
True
The prefix _________ means spider.
arachn-
The meningeal layer resembling spider legs is the _________.
arachnoid mater
What is the groove indicated by C?
central sulcus
The prefix _________ means head.
cephal-
Evolutionary development of a head and brain containing neural and sensory organs is a process called _________.
cephalization
The prefix _________ means brain or cerebrum.
cerebr-
White matter is found in all of the following locations EXCEPT the ________.
cerebral cortex
Bleeding in the brain, known as a stroke, is more accurately called _________.
cerebrovascular accident
Which type of tract connects the two hemispheres of the cerebrum?
commissural tracts
What type of cells line the ventricles of the brain?
ependymal cells
Which of these would you NOT find in the cerebral cortex?
fiber tracts
Which brain structure is most responsible for interacting with and controlling the endocrine system?
hypothalamus
What is the largest danger associated with a blood clot that's lodged in a cerebral artery?
lack of oxygen
Which of the following form(s) the walls of the fourth ventricle?
pons, medulla oblongata, and cerebellum
Region A represents which of the following?
prefrontal cortex
What cortical region is represented by the area at D?
primary visual cortex
The _________ division of the nervous system controls skeletal muscle.
somatic motor
The prefix _________ means body.
somato-
Which part of the CNS sorts almost all sensory information ascending to the cerebral cortex?
thalamus
Which structure of the brain is most responsible for acting as a relay station to sort and send incoming signals to the cerebral cortex?
thalamus
The cortical regions indicated by E are involved in what functions?
the production and interpretation of language
Why would imaging studies such as computed tomography (CT) or magnetic resonance imaging (MRI) be recommended for a patient experiencing sudden aphasia?
to rule out other causes of brain injury
