A patient has been prescribed isoproterenol (Isuprel). The nurse plans care based on the drug's stimulation of which receptors? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Standard Text: Select all that apply

Question

1. Alpha1
2. Alpha2
3. Beta1
4. Beta2
5. Beta3

Answer 1

3,4
Rationale 1: This drug does not affect alpha1 receptors.
Rationale 2: This drug does not affect alpha2 receptors.
Rationale 3: Isoproterenol (Isuprel) is a nonselective drug that stimulates beta1 receptors.
Rationale 4: Isoproterenol (Isuprel) is a nonselective drug that stimulates beta2 receptors.
Rationale 5: This drug does not affect beta3 receptors.

Global Rationale: Isoproterenol (Isuprel) is a nonselective drug that stimulates beta1 and beta2 receptors. This drug does not affect alpha1, alpha2, or beta3 receptors.