The “Web of Causation”

a. Emphasizes the multi-causal nature of disease
b. Became part of mainstream epidemiology in the 1960s
c. Was first introduced by Ronald Fisher
d. a and b
e. All of the above

Ans: d

Health Professions

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Which of the following vitamins affects almost every aspect of the clotting process?

A) D B) K C) A D) B12

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Social history information on tobacco and alcohol usage is recorded in which of the history types?

A. Patient history B. Family history C. Review of systems D. Physical examination

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