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ADRENERGIC AGONISTS CH 30 NUR187 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS
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ADRENERGIC AGONISTS CH 30 NUR187 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS (?) agonist: drug that stimulates the (?) receptors of the sympathetic nervous system, either directly (by reacting with receptor sites) or indirectly (by increasing norepinephrine levels) adrenergic agonist adr...

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  • November 20, 2024
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  • 2024/2025
  • Exam (elaborations)
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ADRENERGIC AGONISTS CH 30 NUR187 EXAM

QUESTIONS AND ANSWERS WITH COMPLETE

SOLUTIONS

(?) agonist: drug that stimulates the (?) receptors of the sympathetic nervous

system, either directly (by reacting with receptor sites) or indirectly (by

increasing norepinephrine levels)

adrenergic agonist

adrenergic receptors

(?) agonist: drug that specifically stimulates the alpha-receptors within the

sympathetic nervous system, causing body responses seen when the alpha-

receptors are stimulated

alpha-agonist

(?) agonist: drug that specifically stimulates the beta-receptors within the

sympathetic nervous system, causing body responses seen when the beta-

receptors are stimulated

beta-agonist

(?): drug that mimics the sympathetic nervous system (SNS) with the signs and

symptoms seen when the SNS is stimulated

sympathomimetic

Dopamine and norepinephrine are what class?

ALPHA- AND BETA-ADRENERGIC AGONISTS

,phenylephrine is what class?

ALPHA-SELECTIVE ADRENERGIC AGONISTS

albuterol and formoterol are what class?

BETA-SELECTIVE ADRENERGIC AGONISTS

An (?) agonist is also called a sympathomimetic drug because it mimics the

effects of the sympathetic nervous system (SNS).

adrenergic agonist

The therapeutic and adverse effects associated with these drugs are related to

their stimulation of adrenergic (?).

receptor sites.

That stimulation can be either (?) by occupation of the adrenergic receptor,

or (?) by modulation of the release of neurotransmitters from the axon.

That stimulation can be either direct, by occupation of the adrenergic receptor, or

indirect by modulation of the release of neurotransmitters from the axon.

Adrenergic agonists also can affect both the alpha- and beta-receptors, or they

can act at (?) sites.

specific receptor

Considerations for adrenergic agonist

Older patients commonly experience the adverse CNS, CV, GI, and respiratory

effects associated with these drugs. Because older patients often have (?) or (?)

impairment, they are also more likely to have a toxic level of the drug related to

changes in (?) and (?). Older patients may need to be started on lower doses of

, the drugs and should be monitored closely for potentially serious arrhythmias or

blood pressure changes.

They also should be cautioned about the use of OTC drugs and complementary

therapies that could increase drug effects and cause serious adverse reactions.

renal or hepatic

metabolism and excretion.

Drugs that are generally sympathomimetic are called (?) (stimulate alpha-

receptors) and (?) (stimulate beta-receptors).

alpha-agonists

beta-agonists

(?) stimulate all of the adrenergic receptors; that is, they affect both alpha- and

beta-receptors

General adrenergic agonists

Agents that affect both alpha- and beta-receptor sites

include dobutamine (generic), dopamine (generic), ephedrine (Akovaz,

Corphedra, Emerphed), epinephrine (Adrenalin, Adrenaclick, Auvi-Q, Epipen,

Primatene Mist, Symjepi), and norepinephrine (Levophed). Some of these drugs

are naturally occurring catecholamines.

"ine" s

The effects of the sympathomimetic drugs are mediated by the (?) receptors in

target organs: Heart rate (?) with increased myocardial contractility; bronchi (?)

and respirations (?) blood vessels (?) causing an increase in blood pressure;

intraocular pressure (?); glycogenolysis (breakdown of glucose stores so that the

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