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22 Cards in this Set
- Front
- Back
___ are responsible for shivering
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Muscle Spindles
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Muscle Spindles record ___ (static or dynamic) and ____ muscle contractions (smoothing)
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lenght, dampen
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Sensory afferents travel ___ m/s; Gamma MN travel ___ m/s; Alpha travels ___m/s
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30-120
10-45 15-120 |
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Tendon organs respond to ___ and ___
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Stretch and Contraction
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Presence of an inhibitory interneuron is an example of ____
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Reciprocal Antagonism
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The Reciprocal Antagonism nociceptor branches ___ times while the Crossed-Extensor Reflex branches ___ times
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3
3-5 |
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___ are integrative elements in spinal ciruits
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Interneurons
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In Smooth Muscle ____ are the pts of attachement for the contractile proteins (has ER but no T-tubules)
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Dense Bodies
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Single-Unit Smooth Muscle has extensive ___, while Multi-Unit Smooth Muscle does not (more complex because each cell is connected to nerve- good control-eyeball movement)
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Gap Junctions
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To Activate or Prevent a contraction in smooth muscle ___ bonds to ____ which then all binds to ____ which activates ATP so that it can be phosphorylated
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Ca, Calmodulin, MLCK (Myosin Light chain kinase)
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Calcium increase and so does ___ and this develops force.
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MLCK
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___ is the on/off switch for smooth muscle contraction
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MLCK
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An increase in MLCK increases ____ and ____
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Velocity and Tension
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___ are resistance vessels
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Arterioles
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Blood Volume: ___% Systemic or ____%Pulmonary
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84%Systemic
16%Pulmonary |
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0.00 at ___ to .03 at ___ to .12 at ___ to .16 at ____
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AV node to SA node to Bundle of His to Purkinge Fibres
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AP/min: SA__, AV___, Bundle of His ___
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70-80
40-60 20-40 |
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Heart Anatomy:
- - - - - |
Pericardium, Pericardial Cavity, Epicardium, myocardium, endocardium
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SV=__
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Diff b/w EDV and ESV
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Map = ___
=__x___ |
1/3Systolic
2/3Diastolic CO x TPR |
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Intracellular Fluid =__
Extracellular Fluid =___ |
40%
20% |
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Flow = Pi x (p1-p2) x r4/ (8vl)
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Poiseuille's law
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