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A man experiences a sudden withdrawal of...

A man experiences a sudden withdrawal of the leg that got in contact with a pointed object. Which of the following nervous pathways gives such a response?

A

Receptor - Efferent nerve fibre - Grey matter of spinal cord - Afferent nerve fibre - Effector

B

Receptor - Afferent nerve fibre - Grey matter of spinal cord - Efferent nerve fibre - Effector

C

Effector - Afferent nerve fibre - White matter of spinal cord - Efferent nerve fibre - Receptor

D

Receptor - Efferent nerve fibre - White matter of spinal cord - Afferent nerve fibre – Effector

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