3.2 Adrenergic Blocking Agents Flashcards

1
Q

Adrenergic blockers are also known as…

A

Sympatholytics

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2
Q

What is the function of adrenergic blockers?

A

They function to block the effects of Epinephrine and Norepinephrine

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3
Q

How are adrenergic blockers classified?

A

By the type of receptor they inhibit

Alpha-blockers and beta-blockers

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4
Q

The function of alpha-blockers is to…

A

Interrupt stimulation of the SNS at the alpha-adrenergic receptors

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5
Q

How do alpha-blockers affect the arteries and veins of the body?

A

They cause vasodilation, this reduces peripheral vascular resistance and treats high BP

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6
Q

Alpha-blockers are commonly given to men with which disorder? Why?

A

Benign prostate hypertrophy/plasia (BPH)

Alpha-blockers reduce the smooth muscle contraction of the bladder neck and prostatic portion of the urethra to decrease resistance to urinary flow

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7
Q

What effect do alpha-blockers have on the uterus?

A

They stimulate uterine contractions

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8
Q

Alpha-blockers help treat what kind of headache? How?

A

Vascular headaches. They constrict peripheral and cerebral arteries

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9
Q

Ergotomine Tartrate (Alpha blocker) treats…

A

Migraines

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10
Q

Methyldopa (alpha blocker) treats…

A

Hypertension

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11
Q

Prazosin hydrochloride (alpha blocker) treats…

A

Hypertension

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12
Q

The function of beta blockers is to…

A

inhibit SNS stimulation of the beta-adrenergic receptors by competing with Epinephrine and Norepinephrine

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13
Q

Beta-1-blockers primarily act on the heart, so we can call them…

A

cardioselective

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14
Q

Beta blockers primarily treat which disorders?

A

CV disorders such as Angina, Myocardial infarction, and Heart failure

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15
Q

Beta blockers treat heart disorders by decreasing the demand for _____ ____ and _____ _____

A

Myocardial energy and oxygen demand

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16
Q

Beta blockers treat which ocular disorder?

A

Glaucoma

17
Q

Beta blockers are contraindicated in people with which heart problems?

A

Bradycardia
Heart block (problems with electrical conduction of the heart)

18
Q

Why are beta blockers contraindicated in those with asthma, allergic or pulmonary conditions?

A

Beta blockers increase fluid production

19
Q

Beta blockers commonly end with which 3 letters?

A

LOL

20
Q

Propranolol treats…

A

Angina, arrhythmia, hypertension

21
Q

Atenolol treats…

A

Angina, Arrhythmia

22
Q

Metoprolol treats…

A

Hypertension

23
Q

Nurses should assess client’s history of which disorders?

A

COPD
hypotension
cardiac dysrhythmias
bradycardia
HF
Monitor for hypotension
bradycardia
heart block
bronchoconstriction

24
Q

How should clients take adrenergic blockers?

A

Exactly as prescribed

25
Q

We ask that clients do not stop taking adrenergic blockers suddenly. Why?

A

It could cause rebound hypertension or angina

26
Q

Clients should report which symptoms immediately if they take adrenergic blockers as it could indicate a med complication?

A

Report constipation, urinary hesitancy or bladder distention

27
Q

Nurses should educate patients on adrenergic blockers because:

A

Adrenergic blockers decrease exercise tolerance. too much exercise could cause dizziness and/or fainting