Which of the following statements is accurate?
a. to guard against the "Hawthorne effect" in medical research, scientists will give a placebo to the experimental group
b. there is no way to guard against the "Hawthorne effect" in medical research
c. to guard against the "Hawthorne effect" in medical research, scientists will give a placebo to the control group
d. to guard against the "Hawthorne effect" in medical research, scientists will give the experimental group the independent variable
c. to guard against the "Hawthorne effect" in medical research, scientists will give a placebo to the control group
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An 11-year-old boy with a history of mild developmental delays has possibly ingested parts of a household plant; his mother states that she found him eating the plant, then immediately called 911. You note that the plant has been overturned and is missing a considerable number of leaves. Assessment reveals the boy to be lethargic and confused; he complains of abdominal pain, accompanied by nausea and vomiting. His airway is patent and his respirations are adequate. Which of these assessment findings would be most suggestive that the poison from the plant leaves has been absorbed into the patient's body?
A) Confusion and lethargy B) Nausea and vomiting C) Abdominal pain D) Leaves missing from the plant Answer: A
As the dentist estimates the length of the root of the tooth, the dental assistant can record the length of the root in the patient's chart
a. True b. False Indicate whether the statement is true or false
Common urine testing performed on pregnant patients includes:
A) bilirubin. B) glucosuria. C) proteinuria. D) Both b and c
Data on global income and living conditions show that
A. the poorest children in the world have the most leisure time to play sports. B. nearly 40 percent of the people in the world lack the resources to play organized sports. C. most elite athletes today are from the poorest nations in the world. D. in ten years most people in developing nations will escape poverty.