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RRPA Pharmacology II > Adrenergic (exam 2) > Flashcards

Adrenergic (exam 2) Flashcards

1
Q

Alpha 1 receptors have what actions

A
  • vasoconstriction of blood vessels going to skin, GI tract and kidneys
  • contration of arrector pili, uterus, ureters, internal urethral sphincters
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2
Q

Alpha 2 receptors have what actions?

A
  • inhibit insulin secretion from pancreas
  • contraction of GI sphincters
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3
Q

Beta 1 receptors have what actions

A
  • stimulating increased HR and contractility
  • stimulating renin secretion from kidneys
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4
Q

Beta 2 receptors have what actions?

A
  • vasodilation of blood vessels going to heart, liver, and skeletal muscles
  • bronchodilation of lungs
  • relaxation of uteris, GI tract, and urinary bladder
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5
Q

What effect will adrenergic agonist have on the heart

A

B1: increase heart rate/ contractility

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6
Q

What effect will adrenergic agonist have on the blood vessels

A

A1: vasoconstriction

B2: vasodilation

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7
Q

What effect will adrenergic agonist have on the blood pressure

A

A1, B1: increase BP

B2: decrease BP

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8
Q

What effect will adrenergic agonist have on the lungs

A

B2: bronchodilation

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9
Q

What effect will adrenergic agonist have on the eye

A

A1: mydriasis

B: increase humor production increase pressure

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10
Q

What effect will adrenergic agonist have on the GU tract

A
  • A1: close sphincter (promote continence)
  • B2: detrusor muscle relaxtion; uterine relaxation (premature labor)
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11
Q

What effect will adrenergic agonist have on the CNS

A

a1: Increase vigilance and focus

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12
Q

What effect will adrenergic agonist have on the neuromuscular junction

A

B2: muscle tremors

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13
Q

What are some adrenergic agonist meds?

A
  • Epinephrine (A1, A2, B1, B2)
  • NE (A1, A2, B1)
  • Isoproterenol (B1, B2)
  • Albuterol (B2)
  • Phenylephrine (A1)
  • Pseudoephedrine (i)
  • Dobutamine (B1)
  • Dopamine (D1, i)
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14
Q

What effect will adrenergic antagonists have on the heart

A

B1: decrease HR and contractility

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15
Q

What effect will adrenergic antagonists have on the blood vessels

A
  • A1: vasodilation
  • B2: decrease vasodilation = decrease perfusion
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16
Q

What effect will adrenergic antagonists have on blood pressure

A

A1, B1: decrease BP

17
Q

What effect will adrenergic antagonists have on the lungs

A

B2: bronchospasm

18
Q

What effect will adrenergic antagonists have on the eye

A

B1, B2: decrease aqueous humor production, decrease pressure

19
Q

What are the adrenergic antagonists?

A
  • Doxazosin, Terazosin, Prazosin (A1)
  • Metoprolol, Atenolol (B1)
  • Propranalol (B1, B2)
  • Labetalol, Carvedilol (A1, B1, B2)
  • Clonidine (A2 agonist)
20
Q

What type of CNS conditions are adrenergic antagonists used for?

A

Stage fright and essential tremor (B receptors)

RRPA Pharmacology II (23 decks)

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