Which of the following is an example of a direct contact transmission? a. an individual contracts rabies after being bitten by a rabid raccoon. b. an individual contracts human immunodeficiency virus after an accidental needlestick with a needle containing contaminated blood. c. an individual contracts bubonic plague after being bitten by a flea carrying yersinia pestis (the bacterial pathogen). d. an individual contracts hantavirus by inhaling fresh rodent droppings while cleaning a barn.

Which of the following substances would you expect to find in the blood, and not in the lymph? selected answers: calcium glucose calcium glucose estrogen oxygen fatty acids water answers:

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.

During the sixteenth, seventeenth, and eighteenth centuries, the mentally ill were housed in