Chapter 6 Nerves

Question 1

Auriculotemporal Nerve

Answer 1

Branch of the fifth cranial nerve that affects the external ear and skin above the temple

Question 2

Autonomic Nervous System

Answer 2

The part of the nervous system that controls the involuntary muscles, regulates the actions of the smooth muscles, glands, blood vessels, heart and breathing

Question 3

Brain

Answer 3

Part of the nervous system contained in the cranium. Largest and most complex nerve tissue and control sensation

Question 4

Buccal Nerve

Answer 4

Branch of the seventh cranial nerve that affects the muscle of the mouth

Question 5

Central Nervous System

Answer 5

Consists of the brain, spinal cord, spinal nerves, and cranial nerves

Question 6

Cervical Cutaneous Nerve

Answer 6

Cervical nerve located at the side of the neck; affects the front and side of neck

Question 7

Cervical Nerves

Answer 7

Branches of the seventh cranial nerv: originate at the spinal and affect the side of the neck and the platysma muscle

Question 8

Common Peroneal Nerve

Answer 8

A division of the sciatic nerve that extends from behind the knee to wind around the head of the fibula to the front of the leg

Question 9

Deep Peroneal Nerve

Answer 9

Extends down the front of the leg, behind the muscles. It supplies impulses to these muscles and also to the muscles and skin on top of the foot and adjacent sides of the first and second toes

Question 10

Digital Nerve

Answer 10

Sensory motor nerve that supplies impulses to the fingers

Question 11

Dorsal Nerve

Answer 11

Also known as dorsal cutaneous nerve; a nerve that extends up from the toes and foot, just under the skin, supplying impulses to toes and foot, as well as the muscles and skin of the leg, where it becomes the superficial peroneal nerve.

Question 12

Eleventh Cranial Nerve

Answer 12

Also known as accessory nerve; a motor nerve that controls the motion of the neck and shoulder muscles.

Question 13

Fifth Cranial Nerve

Answer 13

Also known as trifacial nerve or trigeminal nerve; the chief sensory nerve of the face that serves as the motor nerve to the muscles that control chewing.

Question 14

Greater Auricular Nerve

Answer 14

Cervical nerve that is located at the side of the neck; affects the face, ears, neck, and parotid gland.

Question 15

Greater Occipital Nerve

Answer 15

Cervical nerve that is located in the back of the head; affects the face, ears, neck, and parotid gland.

Question 16

Infraorbital Nerve

Answer 16

Branch of the fifth cranial nerve that affects the skin of the lower eyelid, side of the nose, upper lip, and mouth.

Question 17

Infratrochlear Nerve

Answer 17

Branch of the fifth cranial nerve that affects the membrane and skin of the nose.

Question 18

Mandiblular Nerve

Answer 18

Branch of the fifth cranial nerve that affects the muscle of the chin, lower lip, and external ear.

Question 19

Marginal Mandibular Nerve

Answer 19

Branch of the seventh cranial nerve that affects the muscles of the chin and lower lip.

Question 20

Maxillary Nerve

Answer 20

Branch of the fifth cranial nerve that supplies impulses to the upper part of the face.

Question 21

Median Nerve

Answer 21

Sensory-motor nerve that is smaller than the ulner and radial nerves and that, with its branches, supplies the arm and hand.

Question 22

Mental Nerve

Answer 22

Branch of the fifth cranial nerve that affects the skin of the lower lip and chin.

Question 23

Motor Nerves

Answer 23

Also known as efferent nerves; carry impulses from the brain to the muscles or glands.

Question 24

Nasal Nerve

Answer 24

Branch of the fifth cranial nerve that affects the point and the lower side of the nose.

Question 25

Nerve Tissue

Answer 25

Tissue that carries messages to and from the brain and controls and coordinates all bodily functions.

Question 26

Nerves

Answer 26

Whitish cords made up of bundles of nerve fibers held together by connective tissue through which impulses are transmitted.

Question 27

Nervous System

Answer 27

Body system that consists of the brain, spinal cord, and nerves; controls and coordinates all other systems of the body and makes them work harmoniously and efficiently.

Question 28

Neurology

Answer 28

Scientific study of the structure, function, and pathology of the nervous system.

Question 29

Ophthalmic Nerve

Answer 29

Branch of the fifth cranial nerve that supplies impulses to the skin of the forehead, upper eyelids, and interior portion of the scalp, orbit, eyeball, and nasal passage.

Question 30

Peripheral Nervous System

Answer 30

Abbreviated PNS; system of the nerves that connects the peripheral (outer) parts of the body to the central nervous system; it has both sensory and motor nerves.

Question 31

Posterior Auricular Nerve

Answer 31

Branch of the seventh cranial nerve that affects the muscles behind the ear at the base of the skull.

Question 32

Radial Nerve

Answer 32

Sensory –motor nerve that, with its branches, supplies the thumb side of the arm and back of the hand.

Question 33

Reflex

Answer 33

Automatic reaction to a stimulus that involves the movement of an impulse from a sensory receptor along the sensory nerve to the spinal cord.

Question 34

Saphenous Nerve

Answer 34

Nerve of the leg that supplies impulses to skin of the inner side of the leg and foot.

Question 35

Sciatic Nerve

Answer 35

Largest and longest nerve in the body.

Question 36

Sensory Nerves

Answer 36

Also known as afferent nerves; carry impulses or messages from the sense organs to the brain, where sensations of touch, cold, heat sight, hearing, taste, smell, pain, and pleasure are experienced.

Question 37

Seventh Cranial Nerve

Answer 37

Also known as facial nerve; chief motor nerve of the face. Its divisions and their branches supply and control all the muscles of facial expression.

Question 38

Smaller Occipital Nerve

Answer 38

Also known as lesser occipital nerve; cervical nerve located at the base of the nerve, affects the scalp and muscle behind the ear

Question 39

Superficial Peroneal Nerve

Answer 39

Also known as musculocutaneous nerve; extends down the leg, just under the skin, supplying impulses to the muscles and skin of the leg, as well as to the skin and toes on the top of the foot, where it becomes the dorsal nerve.

Question 40

Supraorbital Nerve

Answer 40

Branch of the fifth cranial nerve that affects the skin of the forehead, scalp, eyebrow, and upper eyelid.

Question 41

Supratrochlear Nerve

Answer 41

Branch of the fifth cranial nerve that affects the skin between the eyes and upper side of the nose.

Question 42

Sural Nerve

Answer 42

Nerve of the lower left leg that supplies impulses to the skin on the outer side and back of the foot and leg.

Question 43

Temporal Nerve

Answer 43

Branch of the seventh cranial nerve that affects the muscles of the temples, side of the forehead, eyebrow, eyelid, and upper part of the check.

Question 44

Tibial Nerve

Answer 44

A division of the sciatic nerve that passes behind the knee. It subdivides and supplies impulses to the knee, the muscles of the calf the skin of the leg, and the sole, heel, and underside of the toes.

Question 45

Ulnar Nerve

Answer 45

Sensory-motor nerve that, with its branches, affects the little-finger side of the arm and palm of the hand.

Question 46

Zygomatic Nerve

Answer 46

Branch of the fifth and seventh cranial nerves that affect the muscles of the upper part of the check.