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MMLU-Pro / 3375 / The dorsal root of a nerve leading to the leg of a rat is severed. How will this…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

The dorsal root of a nerve leading to the leg of a rat is severed. How will this affect the rat? How would the effect vary if the ventral root were severed instead?

category

biology

options

  1. Severing the ventral root results in loss of motor function, but sensation remains intact.
  2. Severing the dorsal root causes hyperactivity in movement, while severing the ventral root leads to increased sensation.
  3. Severing the dorsal root will lead to loss of sensation and reflex action, but if the ventral root is severed, the rat would sense the stimulation but would not be able to react.
  4. Severing the dorsal root has no impact on sensation or motor function, while severing the ventral root causes tremors.
  5. Severing the dorsal root won't have an effect
  6. Severing the dorsal root causes a loss of motor function, whereas severing the ventral root has no effect on the rat.
  7. Both the dorsal and ventral root severing lead to enhanced reflex actions.
  8. Severing either root causes paralysis
  9. Severing the dorsal root results in enhanced sensation, but severing the ventral root causes complete paralysis.
  10. Severing the ventral root causes loss of sensation

src

stemez-Biology

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Source and history

upstream_id / Original problem ID
3375
task_id
5fdf5300-e1a6-5e90-83a5-a193f3716773
task_key
default--test--3375
task_revision_id
1
config / split
default / test

Official source

initial import