A Nursing Instructor Is Teaching a Class About the Role

A nursing instructor is teaching a class about the role of dopamine in substance abuse.Which student statement indicates appropriate understanding?

A) "The dopamine D₁ and dopamine D₂ receptors are responsible for co-occurring disorders."
B) "Dopamine increases opioid transmission,and this reinforces the cycle of substance abuse."
C) "Dopamine causes changes in brain neurotransmission that enhance the cycle of substance abuse."
D) "The dopamine D₃ receptor is involved in drug-seeking behaviors."