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For the following statements, indicated whether it is a characteristic of an action (A) or graded (G) potential. Click on the drop down menu to reveal the answer. 1)both depolarizes and hyperpolarizes 2) must depolarize to threshold before an action potential begins 3) action potential at one site depolarizes adjacent sites to threshold 4) refractory period 5) effect on membrane potential decreases with distance from stimulation site 6) amount of depolarization depends on intensity of stimulus 7) no threshold value 8) propagation of action potential spans across entire membrane surface without decrease in strength 9) all stimuli that exceed threshold will produce identical action potentials 10) occurs in most cell membranes For the following statements, indicated fast twitch (F) or slow twitch (S). 1) oxidative 2) large diameter 3) low blood supply 4) many mitochondria 5) glycolysis as main metabolism 6) low myoglobin content 7) fatigue over time 8) slow cross bridge cycling 9) white 10) do not fatigue over time Answer the following questions involving medications 1) If someone overdosed on muscarine from bad mushrooms, what drug would you administer 2)In the question above, why would that medication be the best choice 3) Why would someone take albuterol 4) If someone overdosed on propranolol what would you neutralize it with 5) If someone overdosed on phenylephrine, what would you neutralize it with 6) What two drugs stimulate norepinephrine release 7) Which drug treats Myasthenia Gravis 8) In the question above, what does the drug do to solve the problem 9) MAOIs result in an influx of what neurotransmitter/s 10) What is the one ionotropic receptor we must know 11) What are the two inhibitory NTs we must know 12) What is the number 1 excitatory NT in the CNS 13) What two drugs permanently disable Ach degradation 14) On the other hand, which reversibly disables Ach degradation 15) What blocks N Ach Receptors 16) What toxin blocks synaptic vesicle release 17) What type of paralysis would result 18) How does tetanus cause spastic paralysis 19) What type of paralyis does black widow venom incur if left untreated 20) How |
