Adrenergic receptors (α,β) in sympathetic

The exercise was created 2024-03-18 by feliciajonsssson. Question count: 18.

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  • which nervous system has adrenergic receptors in the snynapse between postganglionic fibre and effector?: (1word) sympathetic
  • which neurotransmitters binds to adrenergic receptors? (2st) epinephrine, norepinephrine
  • which neurotransmitter binds to a1 receptor and activate it?--> only fill the gaps: mostly...activates it but ... can also do it norepinephrine, epinephrine
  • which neurotransmitter binds to a2 receptor and activate it?--> only fill the gaps: mostly...activates it but ... can also do it norepinephrine, epinephrine
  • which neurotransmitter binds to b1 receptor and activate it?--> only fill the gaps: mostly...activates it but ... can also do it epinephrine, norepinephrine
  • which neurotransmitter binds to b2 receptor and activate it? (1 word) epinephrine
  • which CHEMICAL substances are affected and how if a1 is activated?: ..., ... --> increase/decrease IP3, DAG --> increase
  • which CHEMICAL substances are affected and how if a2 is activated?: ... --> increase/decrease cAMP --> decrease
  • which CHEMICAL substances are affected and how if b1 is activated?: ... --> increase/decrease cAMP --> increase
  • which CHEMICAL substances are affected and how if b2 is activated?: ..., ... --> increase/decrease cAMP --> increase
  • which CHEMICAL substances are affected and how if b3 is activated?: ..., ... --> increase/decrease cAMP --> increase
  • what happens IN THE BODY if b1 is activated?: (copy): in heart --> increased ... ..., ... .. ..., ..., ... ..., ... ..., in kidneys --> ... secretion which stimulates production of ... ... in heart --> increased heart rate, force of contraction, excitability, conduction speed, relaxation rate, in kidneys --> renin secretion which stimulates production of vasoconstrictor angiotensin
  • what happens IN THE BODY if b2 is activated? (3 words) smooth muscle relaxation
  • what happens IN THE BODY if b3 is activated? (copy): triggers ... in ... ... triggers lipolysis in adipose tissue
  • what happens IN THE BODY if a1 is activated? (copy): ... of smooth muscle cells in ... ..., ... of ... in glands contraction of smooth muscle cells in blood vessels, inhibition of secretion in glands
  • what happens IN THE BODY if a2 is activated? (copy): in presynaptic terminal --> ... of ..., in platelets --> stimulates ... in presynaptic terminal --> inhibition of norepinephrine, in platelets --> stimulates aggregation
  • epinephrine binds to b1 & b2 but if there is high concentration of epinephrine it can bind to? (2st) a1, a2
  • norepinephrine binds to a1 & a2 but if there is high concentration of norepinephrine it can bind to? (1st) b1

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