When a response is obtained by the combined effect of many stimuli, the phenomenon is known as
A
Reflex action
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B
Summation
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C
Action potential
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D
None of the above
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Solution
The correct option is C Summation Adding two or more individual contractions to produce a resultant contraction with greater intensity is termed as a summation. An automatic, quick and innate response to particular stimuli that is mediated by the reflex arc is known as a reflex action. An action potential is the excitatory potential critically enough to support impulse conduction. So, the correct answer is option B.