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Author Question: Which of the following is an example of a cross-sectional research design? (Read 353 times) |
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.