Which of the following statements is true regarding hand washing?
A) Hand washing should be done frequently by patients.
B) Frequent and proper hand washing should be routinely done by patients and by healthcare workers, both prior to and after interaction.
C) Hand washing should be done before and after patient interaction.
D) Hand washing should be done frequently by healthcare workers
Ans: B) Frequent and proper hand washing should be routinely don by patients and by healthcare workers, both prior to and after interaction.
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The natural philosophy of Aristotle and his colleagues was
(a) mechanistic. (b) vitalistic. (c) a belief in absolute truth. (d) a and c.
The first cells were ____
anaerobic a. autotrophic b. parasitic c. anaerobic d. aerobic e. necrotic
Chromatids
What will be an ideal response?
Gene therapy ____.
A. has not yet been used successfully with mammals B. is a surgical technique that replaces defective genes with normal genes C. has been used successfully to treat victims of autosomal dominant disorders by replacing the dominant allele with a recessive allele D. is a genetic engineering technique that replaces defective alleles with normal ones E. is only possible in adults