Which of the following is not a reason why healthcare epidemiology is essential to quality care?
A) Healthcare-acquired infection incidence increased by almost 40 percent from 1975 to 1995.
B) Hospitals have been inadvertent sources of infection for thousands of years.
C) About 75,000 people die from healthcare-acquired infections every year.
D) Healthcare staff are dedicated to helping patients heal.
E) Healthcare-acquired infections add an extra $35 billion dollars per year to U.S. healthcare costs.
Answer: B
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Joseph Lister
A. pioneered the use of gamma rays for sterilizing food. B. designed and built the first autoclave. C. demonstrated that microorganisms are carried on dust particles in the air. D. revolutionized surgery by introducing phenol as a disinfectant.
A very common vector is a plasmid
Indicate whether this statement is true or false.
In which stage of meiosis do homologous chromosomes separate from each other?
A. metaphase II B. interkinesis C. anaphase I D. anaphase II E. metaphase I
Which of the following lists of mass extinctions and eras is correct?
A. The Precambrian experienced 0, Paleozoic experienced 3, Mesozoic experienced 2, and the Cretaceous experienced 0 mass extinctions. B. The Precambrian experienced 0, Paleozoic experienced 2, Mesozoic experienced 3, and the Cretaceous experienced 0 mass extinctions. C. The Precambrian experienced 1, Paleozoic experienced 3, Mesozoic experienced 2, and the Cretaceous experienced 1 mass extinctions. D. The Precambrian experienced 2, Paleozoic experienced 2, Mesozoic experienced 3, and the Cretaceous experienced 0 mass extinctions.