Clozapine
Forum Elite
Topics: 15
Posts: 164
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A researcher was examining some arrows sent from South America. He accidentally stuck himself with one of the arrows and after a while started to notice muscle weakness. He went to the hospital immediately. Electrical recordings from nerves innervating muscles in his arm indicated normal frequencies and amplitudes of impulses when stimulated; however, nerve-induced contractions of the muscles were weak. When the muscles were stimulated directly, normal contractions occurred. The muscle weakness most likely was due to A. Decreased ability of ACh to stimulate the muscle fibers.
B. Decreased ability of calcium to bind to troponin in the muscle fibers.
C. Decreased ability of the muscle to produce ATP.
D. Decreased ability of the muscle to undergo summation and tetanus.
E. Depletion of intracellular calcium.
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| me007
Forum Guru
Topics: 72
Posts: 799
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a.
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| Ancylostoma
Forum Guru
Topics: 42
Posts: 636
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A thisis how they used curare back in the day!!! Trevor talks about it in his lectures.
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| drplacebo
Forum Senior
Topics: 6
Posts: 137
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AAA...problem at NMJ !!!
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nothing in this world thats worth having,comes easy!!!- "SCRUBS"
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| Clozapine
Forum Elite
Topics: 15
Posts: 164
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the questions I make are harder I guess  .... good job guys 
and that was due to curare 
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| new_n_lost
Politically InCorrect
Topics: 732
Posts: 6,456
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Honestly If u made these questions then Kudos to U buddy Salute !!!!!
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Tyrants and Occupiers of territories tend to think, act and feel alike "never argue with a fool, they'll bring you down to their level and beat you with experience" FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."
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| Clozapine
Forum Elite
Topics: 15
Posts: 164
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... noway !!! not these q`s .... but I made a few before, and a B/S question which earned me a title you can ask Ancylostoma about it  .... these q`s are more or less from Lange textbook series
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