Topic 11 Functional Organization of Nervous Tissue

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 BIO201_MH_V3
 Topic 11: Functional Organization of Nervous Tissue



Started on Thursday, September 9, 2021, 12:02 PM


State Finished


Completed on Thursday, September 9, 2021, 12:26 PM


Time taken 23 mins 44 secs


Grade 35.00 out of 35.00 (100%)

Question 1
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Question text
When repolarization of a neuron is complete, the

Select one:
a. neuron dies.
b. neuron regenerates.
c. cell no longer has a potential difference across its membrane.

d. original polarity of the neuron is restored.
e. neuron is no longer excitable.
Question 2
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A series of local potentials causes the membrane potential to move to -80 mV. Predict the
result.

Select one:
a. threshold is reached
b. depolarization occurs

c. the neuron is hyperpolarized
d. information of frequency is needed to predict the result
e. the neuron releases neurotransmitter in response
Question 3
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Voltage-gated sodium channels are sensitive to changes in the extracellular concentration
of

Select one:
a. potassium ions.
b. proteins.
c. sodium ions.
d. chloride ions.

e. calcium ions.
Question 4
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