A Nursing Student Asks the Nurse About Receptor Specificity of Adrenergic

A nursing student asks the nurse about receptor specificity of adrenergic agonist medications. What will the nurse say?

A) "As the dosage of these medications increases, drugs in this class are more selective."
B) "Dopamine is selective for dopamine receptors and has no effects on alpha or beta receptors."
C) "Epinephrine is the most selective alpha-adrenergic agonist medication."
D) "Specificity is relative and is dose dependent."

Correct Answer:

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