CNS
PNS and EDX
Muscle
Stroke & TBI
Spasticity
100
These are the most numerous cell type in the CNS
What are glial cells
100
This refers to the jumping of the action potential from one node of ranvier to the next
What is saltatory conduction
100
The embryological tissue of origin of muscle cells
What is mesoderm
100
"White clots" are composed mostly of these cells
What is platelets
100
The efferent limb of the muscle stretch reflex is carried through fibers from this type of neuron
What is the alpha motor neuron
200
This is the resting potential of a neuron
What is - 70 mV
200
In nerve conduction studies this refers to the summation of all underlying individual muscle fiber action potentials
What is the compound muscle action potential
200
This protein is absent in Duchenne's muscular dystrophy
What is Dystrophin
200
Nervous tissue dysfunction begins when cerebral blood flow drops below this level.
What is 25ml/100g/min
200
The afferent limb of the muscle stretch reflex is carried through these fibers
What is group Ia and II sensory fibers
300
This is the period when no stimulus can cause the neuron to fire another action potential
What is the absolute refractory period
300
Root avulsion will have this effect on the SNAP (sensory nerve action potential)
What is no effect.
300
The orderly recruitment of sequentially larger motor units is called this.
What is the Henneman size principle
300
Resolution of these three things are the local processes responsible for early recovery post-stroke (will accept 2 for full points)
What is edema, ischemic pneumbra and diaschisis.
300
This is the protein that is targeted by Botox
What is SNAP-25
400
This term describes the conduction of a neural impulse in the opposite of the normal direction
What is antidromic
400
Motor unit action potentials that are of shorter duration and smaller amplitude are seen in this type of condition
What is myopathic
400
What is the fastest type of muscle fiber
What is type IIa
400
These are four contributors to secondary injury following TBI that start with the letter H.
What are hypotension, hyperthermia, hyponatremia, hyper/hypoglycemia, and hypoxia.
400
These are 3 rheological changes that occur in spastic muscles (name 2 for full points)
What is contracture, fibrosis and atrophy
500
These are the four different types of synapses
What are axodendritic, axosomatic, axoaxonal and dendrodendritic
500
Although typically associated with neuropathic disorders, fibrillation potentials can also be seen in this type of disorder.
What is myopathic disorders with muscle necrosis - e.g., inflammatory (also seen with severe diseases of NMJ - esp. boutulism)
500
These are the 3 metabollic pathways used by muscles.
What are direct phosphorylation, anareobic glycolysis and oxidative phosphorylation
500
This is the term that is used post - TBI when functions are taken over by brain not that does not originally manage that function.
What is vicariation
500
These are 2 negative symptoms that are associated with the upper motor neuron syndrome
What is weakness and loss of selective motor control/loss of finger dexterity.
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