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I. W hen simultaneous stimuli have a cumulative effecet on the transmembrane pot

ID: 3516456 • Letter: I

Question

I. W hen simultaneous stimuli have a cumulative effecet on the transmembrane potential, the process is a reverberation b. spatial summation c. divergence d. temporal summation 2 The symapsing of several neurons on the same postsynaptic neuron is a serial processing b. reverberation c. divergence 93 Positive feedback in neural circuits produces a reverberation b. divergence c. convergence d. temporal summation etniatoi emtrtential -70mVund the bhreshold a-SSmV,a membrane potential of-60mV will produce an action potential b. a make it easier to produce an action potential make it harder to produce an action potential c. d. hyperpolarize the membrane 95 A gadled proenti with distance form the poiat of simulation decreases with distance form the point of stimulation spreads passively because of local currents may involve either depolarization or hyperpolarization a, b, and c are correct a b. c. d. For an action potential to begin, an area of excitable membrane must a. have its voltage-regulated gates inactivated b. be hyperpolarized c. be deporalized to threshold level d. not be in a relative refractory period 7 During an absolute refractory period, the membrane b. c. d. cannot respond to further stimulation can respond to a larger-than-normal depolarizing stimulus will respond to summated stimulation

Explanation / Answer

1. When the simultaneous stimuli have cumulative effect on the transmembrane potential the process is called SPATIAL SUMMATION

2. The synapsing of several neuron on the same postsynaptic neuron is DIVERGENCE

3. Postive feedback in neural circuit produces REVERBREATION

4. It will produce action potential

5. Graded potential is decrease with distance from point of stimulation, spread passively because of local current, work in both depolarize and hyerpolarize

6. Be depolarizes at threshold level

7. Cannot respond to further stimulation