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Electophysiology of Muscle & Nerve and Muscle |
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Written by Justin Cutler
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Thursday, 05 October 2006 |
I am creating these questions straight out of the
note packet.
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How many Na+ are exchanged for K+
with the Na+/K+ ATPase pump and in what direction?
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Equilibrium potential of cell
membranes can be calculated with what equation?
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In what direction is the Na+
concentration and electrical gradient?
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What pump is necessary to
maintain the difference in Na+ and K+ across a membrane?
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The upstroke phase of an action
potential is due to what?
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Name several ways of how you
could increase the velocity of an action potential?
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What is the purpose of
Myelin?
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What cells form myelin in the
peripheral nervous system?********
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What cells form myelin in the
central nervous system?********
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What are the "bare" areas between
myelinated section of nerve called?
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What channels are present in
these "bare" areas?
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What is Multiple
sclerosis?
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Name some areas of the body where
smooth muscle is found.
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Dense bodies in smooth muscle are
analogous to what in striated muscle?
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What are caveolae?
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What blocks myosin binding on
actin during relaxation of muscle?
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What is the ratio of Actin to
Myosin?
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What forms the framework for
myofilaments in vasculature?
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What phosphoralates myosin to
activate it?
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What complex activates myosin
light chain kinases?
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What structure allows smooth
muscle cells to contract together?
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How is the contraction of smooth
muscle different than that of Striated muscle?
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What can stimulate smooth muscle
to contract?
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What two types of contraction can
smooth muscle do?
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What is the smallest unit of
skeletal muscle called?
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What is the reticulum that
surrounds that smallest unit called?
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Multiple muscle fibers form a
what?
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What is the connective tissue
enveloping multiple muscle fibers together called?
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Fasicles are grouped together and
surrounded by a connective tissue sheath called what?
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Nuclei that are very close to the
sarcolemma, but on the outside belong to what type of
cell?
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Satellite cells are precursors to
what kind of cell?
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What is the difference in the
placement of the nuclei in the cells of skeletal muscle vs. cardiac
muscle?
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What is the basic unit of cross
striated muscle myofibril called? (it runs from Z-line to
Z-line)
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What is in the I-band?
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What is in the A-band?
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During contraction of skeletal
muscle, what band width remains constant?
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What are the 3 subunits of
Troponin called and what are each of their functions?
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Muscular Dystophy follows what
type of genetic inheritance pattern?
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Muscular Dystophy is a mutation
of what?
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