Which Statement Accurately Depicts the Diverse Actions of the Opioid

Multiple Choice

Which statement accurately depicts the diverse actions of the opioid drug buprenorphine?

A) Buprenorphine acts as an inverse agonist at μ opioid receptors.
B) Buprenorphine is an antagonist for the ORL-1 receptor.
C) Buprenorphine is an agonist for δ receptors.
D) Buprenorphine metabolites act as a full agonists at both μ and δ receptors.