(03.05 MC)Bisphenol-A (BPA) is a compound found in many plas…

(03.05 MC)Bisphenol-A (BPA) is a compound found in many plastics. Under certain circumstances, BPA leaches out of the plastic and enters the body through direct contact with food or drink. Inside the body, BPA imitates a hormone that stimulates the growth of the female secondary sex characteristics. Based on this information, what would BPA be classified as?

(03.03 HC)A person took pain-relieving medication for a sore…

(03.03 HC)A person took pain-relieving medication for a sore throat. A short while after taking the medicine, the pain was dramatically reduced. A few hours later, the pain came back. Thinking about the parts and functions of the nervous system, which of the following is the best explanation of how pain-relieving medicine works?