Pharm. LP-4 Flashcards

1
Q

Agonist

A

a drug that binds to the receptor, producing a similar response to the intended chemical and receptor.

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2
Q

Antagonist

A

a drug that binds to the receptor either on the primary site, or on another site, which all together stops the receptor from producing a response.

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3
Q

Adrenergic

A

working on adrenaline (epinephrine) or noradrenaline (norepinephrine)” (or on their receptors)

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4
Q

Cholinergic

A

act upon the neurotransmitter acetylcholine, the primary neurotransmitter within the parasympathetic nervous system (PNS)

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5
Q

Anticholingeric

A

block the action of a neurotransmitter called acetylcholine

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6
Q

Adrenergic Blockers

A

used to treat hypertension, angina pectoris and cardiac arrhythmias

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7
Q

Sympathomimetics

A

drugs that mimic the stimulation of the sympathetic nervous system

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8
Q

Sympatholytics

A

inhibits nerve impulses of the sympathetic nervous system

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9
Q

Parasympathomimetics

A

a class of medications that activate the parasympathetic nervous system by mimicking or modifying the effects of acetylcholine

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10
Q

Parasympatholytics

A

a substance or activity that reduces the activity of the parasympathetic nervous system

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11
Q

Catecholamines

A

hormones made by your adrenal glands that are released into the body in response to physical or emotional stress

Examples:
dopamine
norepinephrine
epinephrine

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12
Q

Mydriasis

A

dilated pupil or a wider pupil

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13
Q

Myosis

A

constricted pupil or a narrower pupil

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14
Q

Positive chronotropic effect

A

increase heart rate

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15
Q

Positive dromotropic effect

A

increase the speed of electrical conduction in the heart

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16
Q

Positive inotropic effect

A

increase the force of muscle contraction of the heart, resulting in an increased cardiac output