Mirabegron is a:: (A) Beta 3 agonist, (B) Beta 3 antagonist, (C) Beta 1 agonist, (D) Beta 1 antagonist
Answer is A. Mirabegron is a beta 3 agonist. It is indicated in overactive bladder because Beta 3 receptor stimulation relaxes the bladder. Beta 3 receptor are also present on adipose tissue and cause lipolysis. So, beta 3 agonist can be used as anti-obesity drugs but are not approved yet.