Podcast
Questions and Answers
Which adrenergic receptor subtype is primarily responsible for increasing the contractile force of the heart?
Which adrenergic receptor subtype is primarily responsible for increasing the contractile force of the heart?
- α1
- α2
- β2
- β1 (correct)
In which of the following tissues does activation of α1 adrenergic receptors lead to relaxation?
In which of the following tissues does activation of α1 adrenergic receptors lead to relaxation?
- Liver
- Intestinal smooth muscle (correct)
- Vascular smooth muscle
- Genitourinary smooth muscle
Which adrenergic receptor subtype is primarily responsible for glycogenolysis in the liver?
Which adrenergic receptor subtype is primarily responsible for glycogenolysis in the liver?
- β1 (correct)
- β2
- β3
- α2
Which adrenergic receptor subtype mediates lipolysis in adipose tissue?
Which adrenergic receptor subtype mediates lipolysis in adipose tissue?
Which drug has actions on both α and β adrenergic receptors, but no β2 action?
Which drug has actions on both α and β adrenergic receptors, but no β2 action?
Which adrenergic receptor subtype is primarily responsible for increased renin secretion from juxtaglomerular cells?
Which adrenergic receptor subtype is primarily responsible for increased renin secretion from juxtaglomerular cells?
Which adrenergic receptor subtype is primarily responsible for decreasing insulin secretion from pancreatic islets?
Which adrenergic receptor subtype is primarily responsible for decreasing insulin secretion from pancreatic islets?
What is the primary effect of activating α-methylpropranolol on skeletal muscles?
What is the primary effect of activating α-methylpropranolol on skeletal muscles?
What is the main pharmacological action of terbutaline on smooth muscles?
What is the main pharmacological action of terbutaline on smooth muscles?
Which adrenergic receptor subtype mediates decreased release of norepinephrine at nerve terminals?
Which adrenergic receptor subtype mediates decreased release of norepinephrine at nerve terminals?
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