Define continuous propagation and salutatory propagation
What will be an ideal response?
Continuous propagation is the propagation of an action potential along an unmyelinated axon, where the action potential affects every portion of the membrane surface. Saltatory propagation is the relatively rapid propagation of an action potential between successive nodes of a myelinated axon.
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The rectus femoris is an example of what muscle shape?
A. Fusiform B. Parallel C. Triangular D. Elongated E. Bipennate
Lipids that are produced by nearly every tissue in the body and act as local regulators are the
A) prostaglandins. B) steroids. C) monoglycerides. D) phospholipids. E) glycolipids.
In a 5% NaCl solution,
A) this means there are 5 grams of sodium chloride for every 100 mL of water. B) this means there are 5 grams of sodium chloride for every 100 mL of water and there are 5 grams of sodium chloride for every 100 mL of total solution. C) this means there are 5 grams of sodium chloride for every 100 mL of total solution. D) this means there are 5 grams of sodium chloride for every 100 mL of total solution and the solute is water. E) the solute is water.
What effect does the sympathetic nervous system have on the diameter of blood vessels?
A) vasodilation B) no effect C) vasoconstriction D) vasodilation, then vasoconstriction