Chapter 21 Definitions

Question 1

sympathetic nervous system

Answer 1

the part of the central nervous system that supplies the involuntary muscles

Question 2

parasympathetic nervous system

Answer 2

a series of specific effects controlled by the brain regulating smooth muscle contractions, slowing the heart rate, and constricting the pupil

Question 3

apnea

Answer 3

the temproary cessation of breathing

Question 4

ganglion (nerve) (pl. ganglia)

Answer 4

a collection of nerve cell bodies housed in the central or peripheral nervous system

Question 5

lucid

Answer 5

mentally clear

Question 6

jefferson’s fracture

Answer 6

a fracture of a circular bone in two places; similar to breaking a doughnut in half

Question 7

electromyelogram

Answer 7

the recording of the electrical activity within a muscle

Question 8

defibrillation (defibrillating)

Answer 8

the process of restoring a normal heartbeat

Question 9

priapism

Answer 9

spontaneous penil erection

Question 10

tracheotomy

Answer 10

a method of delivering air to the lungs by incising the skin and trachea and inserting a tube to form an airway; an emergency technique used only when the athlete’s life is threatened by an immovable obstruction to the upper airway. Training is required to perform this technique properly