Which of the following are the best examples of health problems they may lead to learning difficulties for children living in poverty?
a) nutritional deficits, infectious diseases, dental problems
b) infectious diseases, inadequate immunization, chronic diseases
c) chronic diseases, sleep deficits, congenital malformations
d) sleep deficits, vision and hearing problems, nutritional deficits

Matching: 1. first used by europeans as a local anesthetic; now abused for its euphoric effects 5 marijuana 2. found in coffee beans, tea leaves, and cocoa beans 2 heroin 3. prescribed for pain involving serious injury or surgery 1 morphine 4. illegal derivative of morphine that is sold on the street as a white powder 6 caffeine 5. can evoke feelings of terror and panic 4 lsd 6. causes user to experience a conscious dreamlike state 3 cocaine