7. A person with clinical depression will experience at least four signs of the disorder for .
a full day
more than five days
at least two days
at least two weeks

10. what is one long-term effect of tobacco use? changes in brain chemistry coronary heart disease decreased appetite increased heart rate

Which of the following choices are the fat soluble vitamin? a) c b) b6 c) d d) calcium

9. withdrawal occurs when alcohol is removed from the system after the brain a. adapted to the continued presence of alcohol b. become physically saturated with alcohol c. become impervious to the effects of alcohol d. begun to treat alcohol as a poison