76. Cope makes pregnant women aware of their nicotine consumption ____.

1. through their smoking habits
2. through the number of cigarettes they smoke
3. by advising them to cut down on cigarettes
4. by allowing them to see their pink urine

77. The test developed by Cope

1. can detect the quantity of nicotine consumed
2. can change the way pregnant women inhale smoke
3. can tell what brands of cigarettes pregnant women smoke
4. can help pregnant women estimate their tobacco consumption

78. The amount of nicotine consumption ____.

1. determines the degree of the pink color of urine
2. indicates the amount of time the test takes
3. has to do with different colors of urine
4. quantifies pink urine

79. We learn from Cope's pilot study that ____.

1. 1000 pregnant women were screened as smokers
2. 1000 pregnant subjects were divided into two groups
3. 20 percent of the pregnant women stopped smoking as a result
4. 50 percent of the pregnant women changed their smoking habits at last

80. The results of Cope's study suggest that the test ____.

1. is practicable
2. needs improving
3. can help any smoker quit
4. is more effective in female smokers than in male ones

(Reference keys.)