According to the observations of a nutrition scientist, laboratory mice are healthier when their diet contains physiological levels of vitamin D than when their diet lacks the micronutrient. The scientist hypothesizes that mice will be less likely to develop cancer when they consume a diet that supplies megadoses of vitamin D. Based on this information, the scientist is ready to
A. set up an experimental epidemiological study to test the vitamin D and cancer hypothesis in mice.
B. design a double-blind study to test the vitamin D and cancer hypothesis in mice.
C. plan a retrospective study involving at least 5,000 laboratory mice to test the vitamin D and cancer hypothesis in mice.
D. conduct a controlled laboratory experiment to test the vitamin D and cancer hypothesis in mice.
Answer: D
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Which of the following is NOT one of the 3 nutrition-related diseases that are the highest contributors to premature death?
a. Cancer b. Cardiovascular diseases c. HIV/AIDS d. Diabetes mellitus
What kind of an inherited disease is cystic fibrosis if each time two CF carriers conceive, there is a 25% chance that their child will have CF; a 50% chance that the child will bean asymptomatic carrier of the CF gene; and a 25% chance that the child will be a non-carrier?
a. x-linked recessive b. x-linked dominant c. autosomal recessive d. autosomal dominant e. mitochondrial
Which characteristic distinguishes a nutrition diagnosis from a medical diagnosis?
A. It includes nutrition-related activities that are the primary intervention. B. It is written in a specific format. C. It is designed to nutritionally cure the underlying disease. D. It is a way of measuring positive outcomes. E. It involves a care process that leads to formulating the diagnosis.
Increased serum uric acid levels may lead to:
a. galactosemia b. glycogen storage disease c. gout d. PKU