How are people generally exposed to antibodies?
a. During exposure to diseases such as measles
b. From the mother, during the prenatal period
c. From milk, during nursing in the postnatal period
d. All of the above
Question 2
Why are patterns of brain activity due to drug use different than normal brain activity?
a. They affect wide areas of the brain indiscriminantly
b. They shut down excitatory areas, and stimulate inhibitory areas
c. Drugs are things that are unnatural, and do things the brain doesn't do
d. Anything that creates withdrawal is causing damage to the brain