Term
| epinephrine activates which receptors |
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Definition
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|
Term
| which receptors does dopamine activate |
|
Definition
|
|
Term
| which receptors does isoproterenol activate? |
|
Definition
|
|
Term
| which receptors does norepinephrine activate? |
|
Definition
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|
Term
Dobutamine activates which receptors? |
|
Definition
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|
Term
| which adrenergic agonists are catecholamines? |
|
Definition
epinephrine norepinephrine isoproterenol dobutamine dopamine |
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Term
| which adrenergic agonists are noncatecholamines? |
|
Definition
ephedrine phenylephrine terbutaline |
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Term
| where are a1 receptors located? |
|
Definition
smooth muscle of blood vessels other sites: vas deferens, erector pili mm, ureter, urethral sphincter, prostate, iris radial mm, |
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Term
| a1 receptors respond to... |
|
Definition
epi norEpi phenylephrine dopamine |
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Term
a2 receptors are located... |
|
Definition
presynaptically and in the pancreas GI sphincters |
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Term
| stimulation of a2 receptors cause... |
|
Definition
inhibition of insulin release induction of glucagon release GI contraction and decrease in tone and motility |
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|
Term
| B1 receptors are located... |
|
Definition
SA and AV nodes in heart juxtaglomerular cells adipose tissues |
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|
Term
| stimulation of a2 receptors causes... |
|
Definition
Increase HR, CO, Ejection fraction renin release lipolysis |
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|
Term
| a2 receptors are activated by... |
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Definition
|
|
Term
| B1 receptors are activated by... |
|
Definition
isoproterenol dobutamine dopamine |
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|
Term
|
Definition
bronchodilation lipolysis skeletal mm vascular dilation relaxes detrusor contracts bladder sphincters glycogenolysis relaxation of uterus |
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|
Term
B2 receptors are located in... |
|
Definition
bronchioles adipose tissue vasculature of skeletal mm bladder liver and skeletal mm uterus |
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|
Term
B2 receptors are activated by... |
|
Definition
isoproterenol epi ephedrine terbutaline |
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|
Term
| where are dopamine receptors located? |
|
Definition
mainly CNS also adrenal medulla and kidneys |
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|
Term
| what is the precursor to norepinephrine? |
|
Definition
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|
Term
| high doses of dopamine stimulate... |
|
Definition
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|
Term
| low doses of dopamine stimulate... |
|
Definition
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|
Term
| where are D1 and D2 receptors located and what happens when they are stimulated? |
|
Definition
present in the mesenteric and renal vascular beds when activated vasodilation occurs |
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