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Chp 4 Definitions

QuestionAnswer
Peristalsis Involuntary, wave-like muscular contractions that move food, liquid, and other substances through the digestive tract and other tubular organs
Mydrasis Dilated pupils
Miosis Constricted pupils
Photophobia An abnormal sensitivity or discomfort in the eyes caused by exposure to light
Defecation The process of eliminating solid or semi-solid waste
Lacrimation The process of producing and releasing tears from the lacrimal glands
Agonist Drugs that binds to the receptor and produces an effect
Antagonist Drug that attach to the receptor but do not elicit a response
Paralytic ileus Condition where there is a temp. loss of normal movement in the intestines making an inability to pass food, gas or stool through the digestive tract
Hyperpyrexia Extremely high fever (greater than 106.7F)
Acetylcholine Primarily involved in muscle activation, learning and memory
Norepinephrine Neurotransmitter implicated in mood disorders like depression but it is not widely recognized as serotonin for its role in depression. More often associated with attention and alertness
Serotonin Neurotransmitter that plays a key role in mood regulation, sleep, appetite, and other physiological processes. Low levels are most commonly associated with depression
Created by: HBrown22
 

 



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