15 Questions
Which type of receptors does phenoxybenzamine non-selectively block?
Both α-1 and α-2 receptors
What is the primary action of phenoxybenzamine?
Decreases peripheral vascular resistance
What is the effect of phenoxybenzamine on blood pressure?
Decreases blood pressure
What is the duration of action of phenoxybenzamine?
Long duration of action
For which condition can phenoxybenzamine be used for treatment?
Pheochromocytoma
What is the primary mechanism of action of phenoxybenzamine?
Inhibition of α-adrenergic receptors
What is the main effect of phenoxybenzamine on peripheral vascular resistance?
Decrease
How does phenoxybenzamine affect blood pressure in the context of pheochromocytoma?
Decreases blood pressure
What is the consequence of phenoxybenzamine's blockage of α2 receptors?
Tachycardia
What is the unique aspect of phenoxybenzamine's binding to adrenergic receptors?
Irreversible binding
What is the primary mechanism of action of phenoxybenzamine?
Irreversible binding to α1 and α2 receptors
What is the primary effect of phenoxybenzamine on blood pressure?
Increase due to blocking of α2 receptors
In the context of pheochromocytoma, how does phenoxybenzamine affect blood pressure?
It decreases blood pressure by non-selective α receptor blocking
What is the unique aspect of phenoxybenzamine's binding to adrenergic receptors?
Irreversible covalent binding to adrenergic receptors
For which condition can phenoxybenzamine be used for treatment?
Pheochromocytoma
Test your knowledge of adrenergic receptor blockers, including α-adrenergic and β-Adrenergic receptor blockers. Questions cover the classification of blockers and their actions on adrenergic receptors.
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