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Anatomy Test #3d
Sample Ques #4
34
Anatomy
Not Applicable
12/04/2007

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Term
An excitatory postsynaptic potential is generated when...
Definition
Na+ channels open
Term
the strengths of sensory stimuli or summated synaptic potentials is often encoded as
Definition
the frequency of production of action potentials
Term
which one of the following cell types is responsible for secreting cerebral spinal fluid
Definition
ependymal
Term
the layer of the meninges that serves as the inner periosteum of the cranial bone is
Definition
dura matter
Term
if the ventral nerve root of a spinal is never destroyed a person would lose..
Definition
willed movement related to that pathway 
Term
the pyramids are founded in the
Definition
medulla
Term
the part of the brain that can directly influence or inhibit the release of hormones from the pituitary is the
Definition
hypothalamus
Term
the brain area includes control of sleep wake cycles and onset of puberty
Definition
epithalamus
Term
the cerebrospinal fluid is returned to the blood in the venus sinuses by way of projections is called
Definition
arachnoid villi
Term
the primary cortex is located in the
Definition
frontal lobe
Term
which of the following would you not find in normal cerebrospinal fluid
Definition
glucose
Term
the central sulcus separates which lobes
Definition
frontal from parietal
Term
the function of commissures is to connect
Definition
corresponding areas of the two hemispheres
Term
which of the following is NOT involved with motor activity
Definition
Wernicke's area
Term
nuclei of cranial nerves VIII-XII are found in the
Definition
medulla oblongata
Term
bipolar cells are commonly
Definition
found in the retina of the eye
Term
a second nerve impulse cannot be generated until
Definition
the membrane potential has been re-established
Term
which is not a structural feature of a neuron
Definition
synaptic cleft
Term
a neuron which has its primary function of connecting other neurons is called
Definition
an association neuron
Term
collections of nerve cell bodies inside the CNS are called
Definition
nuclei
Term
an area of the brain in which the blood brain barrier is disrupted would be
Definition
hypothalamus
Term
the ventricular structures responsible for production of cerebral spinal fluid are the
Definition
choroids plexes
Term
the nucleus gracilis and nucleus cuneatus are part of the
Definition
medulla oblongata
Term
loss of ability to perform skilled motor activities such as piano playing with no paralysis or weakness in specific muscles mught suggest damage to the
Definition
premotor cortex
Term
The _____ is a major relay station for sensory information ascending to primary sensory areas of the cerebral cortex
Definition
thalamus
Term
the motor control on the left side of the body by the right side of the brain is termed
Definition
contralateral
Term
the ridges of the cerebral hemispheres are termed
Definition
gyri
Term
the mesencephalon results in the formation of the ______ in the adult brain
Definition
midbrain
Term
association neurons are
Definition
mostly multipolar neurons
Term
the somatic nervous system is responsible for
Definition
voluntary motor output
Term
a nerve is a bundle of _____ in the ______
Definition
neuron process, PNS
Term
all of the following are true of graded potential except that
Definition
they increase in amplitude as they move far away from the stimulus point
Term
saltator conduction is made possible by
Definition
the myelin sheath
Term
the axons from cells of the _____ form the major pyramidal tracts
Definition
thalamus
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