Why are invasive procedures likely to increase the risk of nosocomial infections?
A) These procedures allow microbes from the skin to enter the bloodstream of the patient.
B) Invasive procedures must use antibiotics.
C) These procedures are carried out by health care workers, who carry resistant microbes.
D) Invasive procedures require long term hospital stays, thereby increasing the number of visitors seen by the patient.
Ans: A) These procedures allow microbes from the skin to enter the bloodstream of the patient.
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Which of the following statements is true regarding a temperate phage?
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If one was estimating a simple regression of Earnings (Y) on Height of individuals (X), and got a coefficient on the Height variable of 30, what would the coefficient on Height be if you added 3 inches to every individual in the sample but kept their earnings the same?
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