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Questions and Answers
Which enzyme is responsible for the metabolism of norepinephrine (NA)?
Which enzyme is responsible for the metabolism of norepinephrine (NA)?
- MAO (correct)
- DA
- DOPA
- Tyrosine
Where is norepinephrine (NA) synthesized?
Where is norepinephrine (NA) synthesized?
- Renal beds
- Skeletal muscles
- Smooth muscle of blood vessels
- Adrenal medullary cells (correct)
Which adrenoreceptor is primarily responsible for vasoconstriction and a rise in blood pressure?
Which adrenoreceptor is primarily responsible for vasoconstriction and a rise in blood pressure?
- α1-adrenoreceptors (correct)
- α2-adrenoreceptors
- β1-adrenoreceptors
- β2-adrenoreceptors
Which adrenoreceptor is mainly located in the smooth muscle of bronchi?
Which adrenoreceptor is mainly located in the smooth muscle of bronchi?
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Which adrenoreceptor is prejunctional on nerve endings and causes inhibition of transmitter release?
Which adrenoreceptor is prejunctional on nerve endings and causes inhibition of transmitter release?
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