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Nerve Structure and Classification Quiz

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Questions and Answers

What is the structure of a nerve?

Single nerve fiber with no blood vessel supply

Group of neurons without any fiber structure

Bundle of muscle fibers without any blood supply

Cable-like structure formed of bundles of nerve fibers only (correct)

How are sensory nerves classified?

Formed of both sensory and motor neurons

Formed of neuron bundles without specific classification

Formed of sensory neurons only (correct)

Formed of motor neurons only

Which type of nerves are composed of motor neurons only?

Sensory nerves

Mixed nerves

Nerves with no specific neuron type

Motor nerves (correct)

What happens to part B when a cell is sectioned into parts A and B?

Part A remains alive while part B dies (D) Signup and view all the answers

In Experiment 1 to determine the location of cell bodies in dorsal and ventral roots, which root was sectioned?

Dorsal root (C) Signup and view all the answers

What happens when the dorsal root is sectioned before the spinal ganglion?

The region between the spinal cord and spinal ganglion degenerates. (C) Signup and view all the answers

According to the conclusion drawn, where are the cell bodies of neurons in the dorsal root localized?

Spinal ganglion (D) Signup and view all the answers

What is the outcome of sectioning the ventral root at S just before the spinal cord?

Degeneration of ventral root (B) Signup and view all the answers

Based on the conclusion drawn, where are the cell bodies of neurons in the ventral root found?

Spinal cord (A) Signup and view all the answers

What is a common feature of both dorsal and ventral roots when sectioned at specific points?

Degeneration of specific parts of the spinal nerve (A) Signup and view all the answers