SSII Final (old stuff) Flashcards
(30 cards)
what is a functional unit?
sarcomere
what is the sliding filament mechanism?
- myosin head hydrolyze ATP
- cross bridge (myosin head binds to actin)
- power stroke,
- cross bridge detach from actin
what is the meeting point between neuron and skeletal muscle fiber?
neuromuscular junction
what is good for weightlifting?
FG - fast glycolytic (powerful)
what is good for running a marathon?
SO - slow oxidative (fatigue resistant)
what is good for walking/sprinting?
FOG - fast oxidative-glycolytic (largest)
what does grey matter consist of?
un-myelinated axons, cell bodies, dendrites
what does white matter consist of?
myelinated axons
what part of the nerve cell receives information?
dendrites
what part of the nerve carries information away from the cell body?
axon
what contains the nucleus on a neuron?
cell body
what type of neuron detects sensory information?
unipolar
what type of neuron detects motor information?
multipolar
what horn detects incoming sensory information?
posterior horn
what horn detects somatic motor neurons?
anterior horn
what horn has autonomic motor neurons?
lateral
what are the three layers of the meninges?
dura mater, arachnoid mater, and pia mater
how many spinal nerves are there?
31 pairs
what does grey matter consist of?
un-myelinated axons, cell bodies, dendrites
what does white matter consist of?
myelinated axons
what part of the nerve cell receives information?
dendrites
what part of the nerve carries information away from the cell body?
axon
what contains the nucleus on a neuron?
cell body
what type of neuron detects sensory information?
unipolar
