5 Questions
Which family of receptors are found in the sympathetic nervous system?
β receptors
Which neurotransmitter is primarily released by adrenergic neurons?
Norepinephrine
What is the rank order of potency for α-adrenoceptors?
Epinephrine > Norepinephrine > Isoproterenol
Which type of drugs are said to be sympatholytic?
Drugs that block the action of neurotransmitters at receptors
What is the primary neurotransmitter released by adrenergic neurons?
Norepinephrine
Study Notes
Sympathetic Nervous System
- Adrenergic receptors are found in the sympathetic nervous system.
Neurotransmitters
- Adrenergic neurons primarily release the neurotransmitter norepinephrine.
Adrenoceptors
- The rank order of potency for α-adrenoceptors is α1 > α2.
Pharmacology
- Sympatholytic drugs are said to block the sympathetic nervous system.
Neurotransmission
- The primary neurotransmitter released by adrenergic neurons is norepinephrine.
Test your knowledge on adrenergic receptors, drugs that affect them, and the actions, therapeutic uses, and adverse effects of adrenergic agonists and antagonists.
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