Ch. 19 Adrenergic Blockers Flashcards Preview

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Flashcards in Ch. 19 Adrenergic Blockers Deck (10)
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1
Q

Adrenergic blockers at the ALPHA receptors lead to?

A

Vasodilation, decreases blood pressure, and constriction of pupils.

2
Q

An IV has administering Vasopressor has inflitrated the nurse will expect to give which drug to reverse the effects of the vasopressor in the inflitrated area?

A

Phenotolamine (Regitine)

3
Q

A patient has been given a alpha blocker as treatment for benign hyperplasia. what patient education will the nurse provide?

A

Change to sitting or standing positions slowly to avoid a sudden drop in blood pressure. (postural hypotention)

4
Q

Beta blockers cannot be stopped abruptly because?

A

Possibility of chest pain or rebund hypertention may occur if stopped abruplty

5
Q

Adrenergic blockers

A

Alpha 1- Vasodilation, decrease BP, reflex tachy, pupil constriction, suppres, ejaculation, reduce smooth muscle in the bladder, neck and prostate.
Beta 1- reduce cardiac contractility, decrease pulse
Beta 2- bronchoconsrtiction contract uterus, inhibit glycogenolysis
Beta 1-

6
Q

Phentolamine (Regitine)

A

Alpha blocker indicated for hypertensive episodes, and catecholamine secreting tumors (pheochromocytomas)

7
Q

Tamsulosin ( Flomax)

A

Alpha blocker primarily used to treat BPH and selected for male patients. Relaxes smooth muscle to improve urinary flow. Contraindicated for patients taking ED medications causing hypotenstion effects.

8
Q

Atenolol (Tenformin)

A

Beta blocker cardiodselective to prevent future MI treatment of hypertention and angina.

9
Q

Carvedilol (Coreg)

A

alpha and beta blocker treatment for heart failure most commonly added to digoxin

10
Q

Nursing consideration while taking Adrenergic blockers

A

postural hypotention, weight gain, dizziness, faitning, low HR, low BP.