PDF Notes: Sistema Periférico_Morfo

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    What is the Peripheral Nervous System?

    Connects the central nervous system to limbs and organs.

    What defines the Somatic Nervous System?

    Controls voluntary movements of skeletal muscles.

    How do cranial nerves differ from spinal nerves?

    Cranial nerves emerge from the brain, while spinal nerves emerge from the spinal cord.

    What are spinal nerves?

    Nerves that emerge from the spinal cord and innervate the body.

    How many pairs of spinal nerves are there?

    There are 31 pairs of spinal nerves.

    What is a plexus?

    A network of intersecting nerves.

    What is the function of the cervical plexus?

    Supplies nerves to the neck and diaphragm.

    What happens if the phrenic nerve is damaged?

    It can lead to respiratory complications.

    What is the brachial plexus responsible for?

    Innervating the upper limb.

    What nerves form the lumbar plexus?

    L1 to L4 spinal nerves.

    What is the sacral plexus?

    A network of nerves that innervates the pelvis and lower limbs.

    What is the role of the sciatic nerve?

    It is the largest nerve in the body, innervating the lower limb.

    What is the function of the olfactory nerve?

    Responsible for the sense of smell.

    What happens if the optic nerve is damaged?

    It can lead to vision loss.

    How does the oculomotor nerve function?

    Controls most eye movements and pupil constriction.

    What is the function of the facial nerve?

    Controls facial expressions and taste sensations.

    What does the glossopharyngeal nerve innervate?

    It innervates the tongue and pharynx.

    What is the role of the vagus nerve?

    Regulates autonomic functions in the body.

    What does the accessory nerve control?

    Innervates the sternocleidomastoid and trapezius muscles.

    What is the function of the hypoglossal nerve?

    Controls tongue movements.

    What is the parasympathetic nervous system responsible for?

    Promotes rest and digest functions.

    How does the sympathetic nervous system affect the body?

    Prepares the body for 'fight or flight' responses.