The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place
Indicate whether the statement is true or false
FALSE
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What structural component of cardiac muscle cells allows for electrical current to flow from cell to cell?
A. Tight junctions B. Adhesion junction C. Gap junctions
Calculate the net filtration pressure (NFP) with a blood hydrostatic pressure of 40 mm Hg and a blood colloid osmotic pressure of 25 mm Hg. Then determine if filtration or reabsorption occurs. NFP = ________ and results in a fluid ________
A) 15 mm Hg; filtration B) 65 mm Hg; reabsorption C) 65 mm Hg; filtration D) 15 mm Hg; reabsorption E) -15 mm Hg; filtration
The sympathetic branch of the autonomic nervous system has its cells of origin in the brain stem as well as the spinal cord
Indicate whether the statement is true or false
Which of the following stimuli produces a depolarization that propagates from one end of the membrane to the other?
A) supramaximal B) threshold C) maximal D) All of the Above