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Pharmacology 1 > Beta agonist drugs > Flashcards

Beta agonist drugs Flashcards

1
Q

what type of drug is isoproterenol

A

potent, non-selective B agonist

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2
Q

what are the effects of using isoproterenol on B2 receptors

A

vasodilation and uterine relaxation

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3
Q

what are the effects of using isoproterenol on B1 receptors

A

inotropic, chronotropic & dromotropic

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4
Q

what is isoproterenol used to treat

A

bradycardia / heart block

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5
Q

what are some of the adverse effects of using isoproterenol

A

palpitation, tachycardia, headache
cardiac ischemia & arrhythmias

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6
Q

what is the common disease isoproterenol can cause

A

coronary heart disease

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7
Q

what type of drug is dobutamine

A

inotropic B1 adrenergic agonist

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8
Q

what are the effects of using dobutamine

A

increased heart contractions

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9
Q

what is not affected with dobutamine even though heart contractions are increased

A

heart rate
cardiac rhythm

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10
Q

what clinical case is dobutamine used to treat

A

congestive heart failure

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11
Q

how should dobutamine be administered

A

IV

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12
Q

what are the possible adverse effects of dobutamine

A

increases AV conduction = atrial fibrillation
tachyphylaxis (tolerance)

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13
Q

what drugs can be used as bronchodilators

A

metaproterenol / orciprenaline
terbutaline
salbutamol
clenbuterol
salmeterol

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14
Q

which bronchodilator should not be used in animals with known heart disease, hypertension or hyperthyroidism

A

terbutaline

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15
Q

how is metaproterenol / orciprenaline administered

A

oral / inhalation

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16
Q

what is the administration route of terbutaline

A

oral / SubQ / inhalation

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17
Q

what is an adverse effect of terbutaline

A

tachycardia

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18
Q

what is the common name for salbutamol

A

albuterol

19
Q

what is the administration route of salbutamol

A

oral
aerosol

20
Q

what type of drugs are bronchodilators

A

B2 adrenergic agonists

21
Q

which bronchodilator is banned in food producing animals

A

clenbuterol

22
Q

what B2 adrenergic agonist is used to treat COPD

A

clenbuterol

23
Q

which B2 adrenergic agonist has a slow onset and is long lasting

A

salmeterol

24
Q

what is salmeterol used to treat

A

prophylactic asthma

25
Q

what is the administration route of salmeterol

A

inhalation of dry powder

26
Q

what type of drug is isoxsuprine

A

b2 adrenergic agonist

27
Q

what is the effects of isoxsuprine

A

vasodilation in skeletal muscle

28
Q

what is isoxsuprine used to treat

A

laminitis
navicular disease

29
Q

what is the administration route of isoxsuprine

A

powder added to feed

30
Q

what species is isoxsuprine used for

A

horses

31
Q

which B2 adrenergic agonist is used as a uterine relaxant

A

ritodrine

32
Q

what is the administration route of ritodrine

A

IV

33
Q

what is ritodrine used to treat

A

arrest premature labor

34
Q

what type of drug is ractopamine

A

B2 adrenergic agonist

35
Q

what is the purpose of using ractopamine

A

improves muscle leanness

36
Q

what species is commonly administered ractopamine

A

cattle
swine

37
Q

why can ractopamine be used in production animals

A

no pre-slaughter withdrawal period

38
Q

what are some adverse effects of ractopamine

A

anorexia
bloat
locomotion disorders

39
Q

what is the brand name of ractopamine used in cattle

A

optaflexx

40
Q

what is the brand name of ractopamine used in swine

A

paylean

41
Q

what are general adverse effects of B2 adrenergic agonists

A

skeletal muscle tremors
pulmonary edema
tachycardia

42
Q

what B1 agonist is used to treat congestive heart failure

A

dobutamine

43
Q

what B2 agonist is used to stop premature labor

A

ritodrine

44
Q

what B2 agonist is used as a repartitioning agent

A

ractopamine

Pharmacology 1 (10 decks)

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