Multiple Choice
How is a placebo group used in an experiment?
A) All subjects are similar.
B) All subjects receive a treatment.
C) Neither subjects nor researchers know who is receiving treatment.
D) One group of subjects receives a treatment and the other group receives a fake treatment.
Correct Answer:
Verified
Correct Answer:
Verified
Q16: The main structural material of the body
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Q18: A clinical sign of a nutrient deficiency
Q19: The main function of vitamins is to
Q20: In a double-blind study,who knows which participants
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Q23: Sugars,starches,and dietary fibers are examples of _.<br>A)proteins<br>B)vitamins<br>C)carbohydrates<br>D)minerals
Q24: Complex carbohydrates not broken down by digestive
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Q26: Almost all foods that have fat contain