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Biopsych Chapter 2: Functional Neuroanatomy and the Evolution of the Nervous System
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Biopsych Chapter 2: Functional Neuroanatomy and the Evolution of the Nervous System
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BIOPSYCH CHAPTER 2: FUNCTIONALNEUROANATOMY AND THE EVOLUTION
OF THE NERVOUS SYSTEM
jSylvia is about one month pregnant. At this point, her embryo's brain would feature all of the following
divisions except the ____.
a. hindbrain
b. prosencephalon
c. telencephalon
d. mesencephalon - telencephalon
Which of the following is not a function of the spinal cord?
a. Bringing sensory information to the brain
b. Withdrawal reflexes
c. Sending motor information to the muscles
d. Initiating planned movements - Initiating planned movements
The cerebral cortex is convoluted, which means it has a wrinkled appearance. When we describe the
features of these convolutions, an especially large _________________ can also be referred to as a
________________.
a. gyrus; fissure
b. fissure; sulcus
c. fissure; gyrus
d. gyrus; sulcus - fissure; sulcus
Jake is trying to memorize the anatomical directions for his physiology quiz so he is associating his body
parts with the various terms. Which of the following should he remember to be ventrally located relative
to the rest of his body?
a. His stomach and the tip of nose
b. His back and the back of his head
c. His stomach and the underside of his chin
d. His chest and the top of his head - His stomach and the underside of his chin
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, Cerebrospinal fluid (CSF) is secreted within the ventricles of the brain via the _____, which converts
material from the nearby blood supply into CSF.
a. pia mater
b. choroid plexus
c. dura mater
d. central canal - choroid plexus
Although the brain makes up only about 2% of your body weight, it requires about ____ of the blood
pumped by the heart.
a. 10-15%
b. 50%
c. 80-90%
d. 2% - 10-15%
raphe nuclei - Nuclei located in the pons that participate in the regulation of sleep and arousal.
locus coeruleus - A structure in the pons that participates in arousal.
cochlear nucleus - A nucleus found in the pons that receives information about sound from the inner ear.
vestibular nucleus - A group of cell bodies in the pons that receive input about the location and
movement of the head from sensory structures in the inner ear.
metencephalon - A division of the rhombencephalon that develops into the pons and cerebellum.
reticular formation - A collection of brainstem nuclei, located near the midline from the rostral medulla
up into the midbrain, that regulate sleep and arousal.
nuclei - Collections of cell bodies that share a function.
medulla, or myelencephalon - The most caudal part of the hindbrain.
Cerebellum - the "little brain" at the rear of the brainstem; functions include processing sensory input
and coordinating movement output and balance, as well as speech
mesencephalon - Another term for midbrain, the division of the brain lying between the hindbrain and
forebrain.
tectum - The "roof," or dorsal half, of the midbrain.
tegmentum - The "covering," or ventral, half of the midbrain.
cerebral aqueduct - The small channel running along the midline of the midbrain that connects the third
and fourth ventricles, contains CSF
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