Question

3 tries left
alexs elderly father has been having problems with memory and speech, and alex suspects he may have alzheimers disease. this diagnosis is later confirmed by his fathers doctor, who explains to alex that alzheimers has been linked to degradation of the brain cells that produce and respond to
serotonin
acetylcholine
endorphins
dopamine

Explanation:

Alzheimer's disease is associated with the degradation of brain cells related to acetylcholine production and response. Serotonin is related to mood regulation, endorphins to pain - relief and well - being, and dopamine to reward and movement control.

Answer:

B. acetylcholine