Multiple choice Which of the following pairs is incorrectly matched? Cetrizine - antihistamine Buprenorphine - antacid Arsphenamine - antibiotic Cladribine - anticancer Veronal - tranquiliser Reveal answer Fill a bubble to check yourself B Correct answer Explanation Buprenorphine is a semi-synthetic partial opioid agonist that is used to treat opioid addiction in higher dosages, to control moderate acute pain.