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Chapter 4 ANS
| Term | Definition |
|---|---|
| Peristalsis | involuntary, wave-like muscular contractions that move food, liquid, and other substances through the digestive tract and other tubular organs. |
| Mydriasis | 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 (feces) |
| Lacrimation | the process of producing and releasing tears from the lacrimal glands |
| Agonist | Drug 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 temporary loss of normal movement in the intestines: inability to pass food, gas, or stool through the digestive tract. |
| Hyperpyrexia | extremely high fever (greater than 106.7 F) |
| Norepinephrine | is a neurotransmitter implicated in mood disorders like depression, but it is not as but it is not as 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. |
| Acetylcholine | Is primarily involved in muscle activation, learning, and memory. |
| Cholinergic Agents | donepezil (Aricept) pilocarpine (Salagen) |
| Anticholinergic Agents | atropine (AtroPen) |
| Adrenergic Agonists | epinephrine (Adrenalin) norepinephrine (Levophed) methylphenidate (ritalin) |
Created by:
Celrrose
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