James Lind (1716-1794) observed the effect of time, place, weather, and diet on the spread of disease by ____.
A. comparing sick persons to well persons
B. applying the germ theory to public health
C. introducing randomization when conducting clinical trials
D. applying the germ theory to hygiene practices
Answer: A
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Which of the following personal or social characteristics is the fundamental principle for defining and determining the social response to disablement?
a. Level of education b. Family size c. Ability to work d. Geographic location
Many healthcare organizations have established a(n) ____________________ committee, a committee which can help individuals, including Paramedics, deal with common ethical concerns.
Fill in the blank(s) with the appropriate word(s).
The load that will cause a change of one division on a balance's index plate is known as which of the following?
A. sensitivity requirement B. calibration C. graduation D. meniscus
A magnetic field is produced by
a. electric charges at rest. b. electric charges in motion. c. permanent magnets only. d. electric charges both at rest and in motion.