KROK 1 Stomatology 2015 – Question 60 · KROK (Dentistry)

A doctor has prescribed clonidine for rapid relief of hypertensive crisis. What group does this drug belong to according to its mechanism of action?

  1. A. Nonselective α-adrenoceptor agonist
  2. B. Central α₂-adrenoceptor agonist
  3. C. α-adrenergic blocking agent
  4. D. Selective β₁-adrenergic blocking agent
  5. E. Selective α₁-adrenoceptor agonist
Hint

Think where in the body clonidine acts to reduce sympathetic outflow and which presynaptic receptor subtype it stimulates.

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