3) the all-or-none law state that a)all stimuli, regardless their intensity, wil

Question

3) the all-or-none law state that

a)all stimuli, regardless their intensity, will produce identical action potentials

b)the greater the magnitude of the stimulus, the greater the magnitude of the action potential

c)threshold or suprathreshold stimuli will produce action potentials of identical magnitude

d)subthreshold stimuli will produce action potentials of smaller magnitude than threshold

4)the secretions of the adrenal medulla act to supplement the effects of

a)sympathetic stimulation b)somatic nervous system c)vahus nerve activity d)parasympathetic innervation

Explanation / Answer

Answer

3) The all-or-none law state that all stimuli, regardless their intensity, will produce identical action potentials.
- The all-in-none law refers to the facts that atrenght of response is not dependent upon the strength of the stimulus.
Hence, Option A

4) The secretions of the adrenal medulla act to supplement the effects of sympathetic stimulation.
- It is released in stress to generate  "fight or flight" response.

Hence, Option A

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