College students were surveyed about sleep disturbances. What percentage of students reported frequent difficulties with insomnia and insufficient sleep?
25%
50%
75%
100%
25%
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Which of the following is NOT a change factor for the biological system?
a. Genetically guided maturation b. Environmental toxins c. Creative insight d. Accidents and diseases
Children who _____ may have lowered intelligence
A) lack adequate nutrition B) have too many calories C) lack a balanced diet D) are malnourished
A ________ test is a test that yields a similar score when the same person takes the test several times
A) questionable B) conclusive C) reliable D) valid
Lorenzo quit smoking and reduced his alcohol intake. At the same time, he improved his healthy eating behaviors and increased his physical activity. Lorenzo’s lifestyle changes are likely to __________
A) decrease telomerase activity B) hasten telomere shortening C) increase telomerase activity D) slow telomere lengthening