Why do microbiologists wear laboratory coats? did you confirm that this is necessary? 2. why is it necessary to wear clean, protective clothing when caring for a patient? 3. why should hair be kept clean and out of the way when caring for patients? 4. how can the number of microorganisms in the environment be controlled? 5. when and why is hand washing important in patient care? 6. how can those who care for patients avoid spreading microorganisms among them?

Adouble-blinded trial for a new indication is conducted under an ind comparing two (2) marketed drugs, at twice the approved prescribed doses. on day 2, subject 603 had difficulty breathing. although it was life-threatening initially, subject 603 was treated and discharged directly from the emergency department after complete recovery. on day 5, subject 20 had a headache, which led to hospitalization and required blood pressure lowering medications. these episodes cannot be explained on the basis of the pharmacological property of either drug or the subjects' medical histories. the investigator would submit an sae report for: a. neither of the subjects b. subject 603 only c. subject 20 only d. both of the subjects

Anne is 60 years old and rather frail. she fractured her forearm while playing with her grandson. that was two months ago, but her arm is still in a sling. which disease is she likely suffering from?

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.