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MMLU-Pro / 3439 / A researcher is experimenting with nerve transmission using neurons from a giant…

Problem

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question

A researcher is experimenting with nerve transmission using neurons from a giant squid. At the beginning of the experiment, the axon is at rest and has a threshold measured at –70 mV at 37oC. The axon receives one stimulus that triggers one action potential in the axon. Subsequent stimuli are much stronger. Which of the following statements explains what happens when several strong stimuli are experienced by the axon?

category

biology

options

  1. The frequency of the action potential increases.
  2. The strength of the action potential decreases.
  3. The axon becomes depolarized to +50 mV.
  4. The axon becomes depolarized to –30 mV.
  5. The strength of the action potential becomes greater.
  6. The axon becomes hyperpolarized to –100 mV.
  7. The frequency of the action potential decreases.
  8. The axon becomes hyperpolarized to –90 mV.
  9. The axon becomes hyperpolarized to –50 mV.
  10. The axon remains at rest at –70 mV despite the stimuli.

src

ori_mmlu-high_school_biology

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Source and history

upstream_id / Original problem ID
3439
task_id
90785a2a-a143-5688-b236-1f024d40c965
task_key
default--test--3439
task_revision_id
1
config / split
default / test

Official source

initial import