ch11

Question 1

Descending tracts; corticospinal tract; pyramidal tract; electrical signal arises in the precentral gyrus of the frontal lobe; most neurons decussate in the medulla oblongata; extrapyramidal tracts

Answer 1

Motor Structures

Question 2

Carries info from touch, pressure, and pain; ascending; carries info to the parietal lobe; spinothalamic

Answer 2

Sensory Structure

Question 3

This reflex is elicited by stroking the sole of the foot; plantar flexion and curling of the toes are normal responses

Answer 3

Babinski reflex

Question 4

A stretch reflex; tapping this tendon in the heel normally causes plantar flexion of the foot; also called the ankle-jerk reflex

Answer 4

Achilles tendon reflex

Question 5

This reflex involves the glossopharyngeal nerve and helps prevent food and water from going down the wrong way

Answer 5

Gag reflex

Question 6

This reflex helps your body maintain a normal blood pressure

Answer 6

Baroreceptor reflex

Question 7

This reflex helps you maintain a standing posture; also called the knee-jerk reflex

Answer 7

Patellar tendon reflex

Question 8

A protective reflex; quickly moves your finger away from a hot object

Answer 8

Withdrawal reflex

Question 9

The reflex causes the pupils of the eyes to constrict in response to light,

Answer 9

Pupillary reflex

Question 10

Sense of smell; Anosmia (loss of sense of smell);

Answer 10

Olfactory

Question 11

Senses hearing and balance; Cranial nerve VIII; ototoxicity; Vertigo

Answer 11

Vestibulochlear

Question 12

The wanderer; widely distributed throughout the thoracic and abdominal cavities; cranial nerve X

Answer 12

Vagus

Question 13

Allows you to shrug your shoulders

Answer 13

Accessory

Question 14

Damage to this nerve causes blindness; Carries sensory information from the eyes to occipital lobe of the brain

Answer 14

Optic

Question 15

Helps control the movements of the tongue; cranial nerve XII

Answer 15

Hypoglossal

Question 16

Nerve that supplies most of extrinsic eye muscles; primary function is the movement of the eyeballs; raises eyelid and constricts the pupil of the eye

Answer 16

Oculomotor

Question 17

Tic douloureux- characterized by extreme facial and jaw pain, caused by inflammation of this nerve; triggers including eating, shaving, and exposure to cold temperatures

Answer 17

Trigeminal

Question 18

Inflammation of this nerve causes Bell’s palsy; cant smile wrinkle forehead, secrete tears or close eyes(on affected side)

Answer 18

Facial

Question 19

Must administer an intramuscular injection in the upper outer quadrant of the buttocks to avoid injuring this nerve

Answer 19

Sciatic

Question 20

This large nerve leaves or emerges from the distal end of the spinal chord and supplies the buttocks and posterior thighs.

Answer 20

Sciatic

Question 21

Crutch palsy is caused by damage to this nerve

Answer 21

Axillary

Question 22

Wrist drop is caused by damage to this nerve

Answer 22

Radial

Question 23

Deadening of this nerve assists in childbirth

Answer 23

Pudendal

Question 24

Innervates the inner thigh area

Answer 24

Femoral

Question 25

Group of nerves that emerge from the distal end of the spinal chord; horse’s tail

Answer 25

Cauda Equina

Question 26

Severing this nerve requires the use of a ventilator

Answer 26

Phrenic

Question 27

Spinal nerves are grouped and sorted here; Nerve groupings that are described as cervical, brachial, and lumbosacral nerves

Answer 27

Plexus(es)

Question 28

If damaged, causes footdrop

Answer 28

Common Peroneal