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WorksheetsPeripheral Nervous System
Total questions: 50
Worksheet time: 25mins
Abducens nerve (VI)
A small mixed cranial nerve. It helps you see out of the corner of your eye by innervating the muscle that moves the eye laterally. It is also involved with your vision.
Both a cranial and spinal nerve. It innervates the muscles that move the head, neck, and shoulders. It also aids in swallowing.
An important nerve from the brachial plexus that innervates the armpit.
Combines with the tibial nerve to create the sciatic nerve. It innervates the anterior portion of the lower leg.
Accessory nerve (XI)
Both a cranial and spinal nerve. It innervates the muscles that move the head, neck, and shoulders. It also aids in swallowing.
A small mixed cranial nerve. It helps you see out of the corner of your eye by innervating the muscle that moves the eye laterally. It is also involved with your vision.
An important nerve from the brachial plexus that innervates the armpit.
Combines with the tibial nerve to create the sciatic nerve. It innervates the anterior portion of the lower leg.
Acquired peripheral neuropathy
When an individual has one or more damaged nerves because of physical trauma to the nerves, toxins, tumors, alcoholism, or a metabolic disorder.
A peripheral nervous system disorder characterized by a painful wrist. It is caused by the median nerve being compressed.
When an individual has one or more damaged nerves because he/she was born with a genetic mutation or a mistake in his/her genetic code
When one or more nerves of the peripheral nervous system is damaged; which leads to, numbness, paralysis, or organ dysfunction.
Axillary nerve
An important nerve from the brachial plexus that innervates the armpit.
Nerves composed of fibers that carry impulses away from the central nervous system.
An important nerve from the brachial plexus that innervates the fingers.
An important nerve from the lumbar plexus that innervates the medial portion of the upper leg.
Axons
The portion of a neuron that sends electrical impulses away from the cell body.
The portion of a neuron that sends electrical impulses towards the cell body.
A prickling sensation caused when pressure is sustained on a nerve for too long.
A collection of nerve fibers that originate from the spinal cord
Bell’s palsy
A peripheral nervous system disorder characterized by paralysis of one side of the face. It is caused by swelling or irritation of the facial nerve.
When an individual has one or more damaged nerves because of physical trauma to the nerves, toxins, tumors, alcoholism, or a metabolic disorder.
A prickling sensation caused when pressure is sustained on a nerve for too long.
Accessory cells that support neurons in the nervous system.
Brachial plexus
Formed from the C5-C8 and T1 spinal nerves. It innervates the skin and muscles of the upper extremity, and some shoulder and neck muscles.
Formed from the C1-C4 spinal nerves and a segment of C5. It innervates the skin and muscles of the neck, head, shoulders, and diaphragm.
A mixed cranial nerve. Its functions include the swallowing reflex, releasing saliva, and taste.
Networks of spinal nerves that combine together and then branch to innervate part of the body.
Carpal tunnel syndrome
A peripheral nervous system disorder characterized by a painful wrist. It is caused by the median nerve being compressed.
When an individual has one or more damaged nerves because of physical trauma to the nerves, toxins, tumors, alcoholism, or a metabolic disorder.
A prickling sensation caused when pressure is sustained on a nerve for too long.
When an individual has one or more damaged nerves because he/she was born with a genetic mutation or a mistake in his/her genetic code.
Cell body of a neuron
The part of a specialized cell of the nervous system that contains the nucleus
The portion of a neuron that sends electrical impulses away from the cell body.
The portion of a neuron that sends electrical impulses towards the cell body.
The structural component of the nervous system that includes the cranial nerves and the spinal nerves
Central nervous system
The structural component of the nervous system that is comprised of the brain and the spinal cord.
The structural component of the nervous system that includes the cranial nerves and the spinal nerves.
A collection of nerve fibers that originate from the spinal cord.
Networks of spinal nerves that combine together and then branch to innervate part of the body.
Cervical plexus
Formed from the C1-C4 spinal nerves and a segment of C5. It innervates the skin and muscles of the neck, head, shoulders, and diaphragm.
Formed from the C5-C8 and T1 spinal nerves. It innervates the skin and muscles of the upper extremity, and some shoulder and neck muscles.
A mixed cranial nerve. The roles of the facial nerve include creating facial expressions, moving your mouth to talk, stimulating salivary glands, and deciphering taste
A mixed cranial nerve. It innervates or stimulates the muscles that move the eye. It also causes pupil dilation.
Common fibular nerve
Combines with the tibial nerve to create the sciatic nerve. It innervates the anterior portion of the lower leg.
An important nerve from the lumbar plexus that innervates the anterior portion of the upper leg.
A mixed cranial nerve. Its functions include the swallowing reflex, releasing saliva, and taste.
A mixed cranial nerve. It helps with swallowing and with speech.
Cranial nerves
A collection of nerve fibers that originate from the brain.
Combines with the tibial nerve to create the sciatic nerve. It innervates the anterior portion of the lower leg.
An important nerve from the lumbar plexus that innervates the medial portion of the upper leg.
A sensory cranial nerve. It is responsible for your sense of smell.
Dendrites
The portion of a neuron that sends electrical impulses towards the cell body.
The part of a specialized cell of the nervous system that contains the nucleus.
The portion of a neuron that sends electrical impulses away from the cell body
An important nerve from the brachial plexus that innervates the fingers.
Dermatomes
An area of skin innervated by a certain spinal or cranial nerve. The nerve is then able to send information back to the CNS about sensations of touch, temperature, and pain.
A mixed cranial nerve. The roles of the facial nerve include creating facial expressions, moving your mouth to talk, stimulating salivary glands, and deciphering taste.
A small mixed cranial nerve. It helps you see out of the corner of your eye by innervating the muscle that moves the eye laterally. It is also involved with your vision.
A wrap of myelin around the axons and dendrites of a neuron that cause electrical impulses to travel faster.
Facial nerve (VII)
A mixed cranial nerve. The roles of the facial nerve include creating facial expressions, moving your mouth to talk, stimulating salivary glands, and deciphering taste.
A mixed cranial nerve. Its functions include the swallowing reflex, releasing saliva, and taste.
A mixed cranial nerve. It helps with swallowing and with speech.
A sensory cranial nerve. It is responsible for your sense of smell.
Femoral nerve
An important nerve from the lumbar plexus that innervates the anterior portion of the upper leg.
Formed from the L1-L4 spinal nerves. It innervates the skin and muscles of the lower abdomen, and the anterior and medial portions of the lower extremity
An important nerve from the cervical plexus that innervates the diaphragm.
An important nerve of the sacral plexus. It is the largest nerve in the body.
Glossopharyngeal nerve (IX)
A mixed cranial nerve. Its functions include the swallowing reflex, releasing saliva, and taste.
A mixed cranial nerve. It helps with swallowing and with speech.
Both a cranial and spinal nerve. It innervates the muscles that move the head, neck, and shoulders. It also aids in swallowing.
A small mixed cranial nerve. It helps you see out of the corner of your eye by innervating the muscle that moves the eye laterally. It is also involved with your vision.
Hypoglossal nerve (XII)
A mixed cranial nerve. It helps with swallowing and with speech.
A mixed cranial nerve. Its functions include the swallowing reflex, releasing saliva, and taste.
A mixed cranial nerve. It innervates or stimulates the muscles that move the eye. It also causes pupil dilation.
A sensory cranial nerve. It is responsible for your sense of smell.
Inherited peripheral neuropathy
When an individual has one or more damaged nerves because he/she was born with a genetic mutation or a mistake in his/her genetic code.
When an individual has one or more damaged nerves because of physical trauma to the nerves, toxins, tumors, alcoholism, or a metabolic disorder.
When one or more nerves of the peripheral nervous system is damaged; which leads to, numbness, paralysis, or organ dysfunction.
Networks of spinal nerves that combine together and then branch to innervate part of the body.
Lumbar plexus
Formed from the L1-L4 spinal nerves. It innervates the skin and muscles of the lower abdomen, and the anterior and medial portions of the lower extremity.
Formed from the L4, L5, and S1-S4 spinal nerves. It innervates the skin and muscles of the lower back, pelvis, perineum, lower extremity, and foot.
Formed from the C1-C4 spinal nerves and a segment of C5. It innervates the skin and muscles of the neck, head, shoulders, and diaphragm.
Formed from the C5-C8 and T1 spinal nerves. It innervates the skin and muscles of the upper extremity, and some shoulder and neck muscles.
Median nerve
An important nerve from the brachial plexus that innervates the fingers.
Nerves composed of fibers that carry impulses away from the central nervous system.
An important nerve from the lumbar plexus that innervates the medial portion of the upper leg.
An important nerve from the brachial plexus that innervates the posterior portion of the arm and forearm.
Mixed Nerves
Nerves that can send impulses towards and away from the central nervous system.
A collection of neuron fibers that conduct electrical impulses.
A collection of nerve fibers that originate from the spinal cord.
A mixed cranial nerve. It helps with swallowing and with speech.
Motor, or efferent, nerves
Nerves composed of fibers that carry impulses away from the central nervous system.
An important nerve from the brachial plexus that innervates the anterior portion of the arm.
An important nerve from the brachial plexus that innervates the posterior portion of the arm and forearm.
Nerves derived from fibers that carry impulses toward the central nervous system.
Musculocutaneous nerve
An important nerve from the brachial plexus that innervates the anterior portion of the arm.
An important nerve from the lumbar plexus that innervates the medial portion of the upper leg.
An important nerve from the cervical plexus that innervates the diaphragm.
An important nerve from the brachial plexus that innervates the hand. It runs past your elbow and is nicknamed the “funny bone”.
Myelin sheath
A wrap of myelin around the axons and dendrites of a neuron that cause electrical impulses to travel faster.
A lipid-protein substance produced by neuroglia cells.
a Accessory cells that support neurons in the nervous system.
Combines with the common fibular nerve to create the sciatic nerve. It also innervates the posterior portion of the lower leg
Myelin
A lipid-protein substance produced by neuroglia cells.
A collection of neuron fibers that conduct electrical impulses.
Specialized cells that organize and carry out electrical impulses through the nervous system.
The portion of a neuron that sends electrical impulses towards the cell body.
Nerve
A collection of neuron fibers that conduct electrical impulses.
A lipid-protein substance produced by neuroglia cells.
An area of skin innervated by a certain spinal or cranial nerve. The nerve is then able to send information back to the CNS about sensations of touch, temperature, and pain.
The portion of a neuron that sends electrical impulses towards the cell body.
Neuroglia
Accessory cells that support neurons in the nervous system.
Specialized cells that organize and carry out electrical impulses through the nervous system
The portion of a neuron that sends electrical impulses away from the cell body.
Specialized cells that organize and carry out electrical impulses through the nervous system.
Neurons
Specialized cells that organize and carry out electrical impulses through the nervous system.
Accessory cells that support neurons in the nervous system
A collection of neuron fibers that conduct electrical impulses.
A lipid-protein substance produced by neuroglia cells
Obturator nerve
An important nerve from the lumbar plexus that innervates the medial portion of the upper leg.
An important nerve from the brachial plexus that innervates the anterior portion of the arm
An important nerve from the brachial plexus that innervates the fingers.
An important nerve from the brachial plexus that innervates the posterior portion of the arm and forearm.
Oculomotor nerve (III)
A mixed cranial nerve. It innervates or stimulates the muscles that move the eye. It also causes pupil dilation.
A sensory cranial nerve. It is responsible for your sense of smell.
A sensory cranial nerve. It is responsible for your vision
A mixed cranial nerve. It helps with swallowing and with speech.
Olfactory nerve (I)
A sensory cranial nerve. It is responsible for your sense of smell.
A mixed cranial nerve. It innervates or stimulates the muscles that move the eye. It also causes pupil dilation.
A sensory cranial nerve. It is responsible for your vision.
A mixed cranial nerve. Its functions include the swallowing reflex, releasing saliva, and taste.
Optic nerve (II)
A sensory cranial nerve. It is responsible for your vision.
A sensory cranial nerve. It is responsible for your sense of smell.
A mixed cranial nerve. It innervates or stimulates the muscles that move the eye. It also causes pupil dilation.
A mixed cranial nerve. It helps with swallowing and with speech.
Paresthesia
A prickling sensation caused when pressure is sustained on a nerve for too long.
When one or more nerves of the peripheral nervous system is damaged; which leads to, numbness, paralysis, or organ dysfunction.
A peripheral nervous system disorder characterized by a painful wrist. It is caused by the median nerve being compressed.
A peripheral nervous system disorder characterized by paralysis of one side of the face. It is caused by swelling or irritation of the facial nerve.
Peripheral nervous system
The structural component of the nervous system that includes the cranial nerves and the spinal nerves.
The structural component of the nervous system that is comprised of the brain and the spinal cord.
A peripheral nervous system disorder characterized by a painful wrist. It is caused by the median nerve being compressed.
Both a cranial and spinal nerve. It innervates the muscles that move the head, neck, and shoulders. It also aids in swallowing.
Peripheral neuropathy
When one or more nerves of the peripheral nervous system is damaged; which leads to, numbness, paralysis, or organ dysfunction.
When an individual has one or more damaged nerves because he/she was born with a genetic mutation or a mistake in his/her genetic code.
When an individual has one or more damaged nerves because of physical trauma to the nerves, toxins, tumors, alcoholism, or a metabolic disorder.
The longest cranial nerve. It innervates the visceral organs of the thoracic and abdominal cavities
Phrenic nerve
An important nerve from the cervical plexus that innervates the diaphragm.
An important nerve from the brachial plexus that innervates the posterior portion of the arm and forearm.
An important nerve from the brachial plexus that innervates the hand. It runs past your elbow and is nicknamed the “funny bone”.
An important nerve from the brachial plexus that innervates the armpit.
Plexuses
Networks of spinal nerves that combine together and then branch to innervate part of the body.
A collection of nerve fibers that originate from the spinal cord.
Specialized cells that organize and carry out electrical impulses through the nervous system.
Accessory cells that support neurons in the nervous system
Radial nerve
An important nerve from the brachial plexus that innervates the posterior portion of the arm and forearm.
An important nerve from the cervical plexus that innervates the diaphragm.
An important nerve from the brachial plexus that innervates the hand. It runs past your elbow and is nicknamed the “funny bone”.
An important nerve from the brachial plexus that innervates the fingers.
Sacral plexus
Formed from the L4, L5, and S1-S4 spinal nerves. It innervates the skin and muscles of the lower back, pelvis, perineum, lower extremity, and foot.
Formed from the L1-L4 spinal nerves. It innervates the skin and muscles of the lower abdomen, and the anterior and medial portions of the lower extremity.
Formed from the C1-C4 spinal nerves and a segment of C5. It innervates the skin and muscles of the neck, head, shoulders, and diaphragm.
Formed from the C5-C8 and T1 spinal nerves. It innervates the skin and muscles of the upper extremity, and some shoulder and neck muscles.
Sciatic nerve
An important nerve of the sacral plexus. It is the largest nerve in the body.
An important nerve from the brachial plexus that innervates the posterior portion of the arm and forearm.
An important nerve from the brachial plexus that innervates the armpit.
An important nerve from the lumbar plexus that innervates the anterior portion of the upper leg.
Sensory (afferent) nerves
Nerves derived from fibers that carry impulses toward the central nervous system
e Combines with the common fibular nerve to create the sciatic nerve. It also innervates the posterior portion of the lower leg.
Nerves composed of fibers that carry impulses away from the central nervous system.
The structural component of the nervous system that is comprised of the brain and the spinal cord.
Spinal nerves
A collection of nerve fibers that originate from the spinal cord.
Networks of spinal nerves that combine together and then branch to innervate part of the body.
Accessory cells that support neurons in the nervous system.
Combines with the tibial nerve to create the sciatic nerve. It innervates the anterior portion of the lower leg.
Tibial nerve
Combines with the common fibular nerve to create the sciatic nerve. It also innervates the posterior portion of the lower leg.
An important nerve from the brachial plexus that innervates the hand. It runs past your elbow and is nicknamed the “funny bone”.
An important nerve from the brachial plexus that innervates the posterior portion of the arm and forearm.
Nerves that can send impulses towards and away from the central nervous system
Trigeminal nerve (V)
A large mixed cranial nerve. It is involved with sensory information from specific regions of the face and is involved with chewing.
A very small mixed cranial nerve that controls downward movement of the eye.
The longest cranial nerve. It innervates the visceral organs of the thoracic and abdominal cavities
A sensory cranial nerve. It has two distinct duties; namely, hearing and balance
Trochlear nerve (IV)
A very small mixed cranial nerve that controls downward movement of the eye.
A large mixed cranial nerve. It is involved with sensory information from specific regions of the face and is involved with chewing.
A sensory cranial nerve. It has two distinct duties; namely, hearing and balance.
A sensory cranial nerve. It is responsible for your sense of smell.
Ulnar nerve
An important nerve from the brachial plexus that innervates the hand. It runs past your elbow and is nicknamed the “funny bone”.
Combines with the common fibular nerve to create the sciatic nerve. It also innervates the posterior portion of the lower leg.
An important nerve from the brachial plexus that innervates the posterior portion of the arm and forearm.
Combines with the common fibular nerve to create the sciatic nerve. It also innervates the posterior portion of the lower leg.
Vagus nerve (X)
The longest cranial nerve. It innervates the visceral organs of the thoracic and abdominal cavities.
A sensory cranial nerve. It has two distinct duties; namely, hearing and balance
A sensory cranial nerve. It is responsible for your sense of smell
A mixed cranial nerve. It innervates or stimulates the muscles that move the eye. It also causes pupil dilation.
Vestibulocochlear nerve (VIII)
A sensory cranial nerve. It has two distinct duties; namely, hearing and balance
The longest cranial nerve. It innervates the visceral organs of the thoracic and abdominal cavities.
A sensory cranial nerve. It is responsible for your sense of smell.
A sensory cranial nerve. It is responsible for your vision.
