Which of the Following Sequences Is in the Correct Order

question 9

Multiple Choice

Which of the following sequences is in the correct order from largest to smallest representation in the motor homunculus?

• A)feet, hands, lips
• B)hands, feet, lips
• C)hands, lips, feet
• D)lips, feet, hands

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Definitions:

Lumbar Plexus

A network of nerve fibers in the lower back (lumbar region) that supplies nerves to the lower limb.

Major Nerve

A principal nerve, typically large in size, that carries significant sensory or motor information to and from the central nervous system.

Brachial Plexus

A network of nerves that originate from the spinal cord in the neck and supply the arm and hand.

Phrenic

Relating to the diaphragm, especially a nerve that originates in the neck and passes down between the lung and heart to reach the diaphragm.