A nurse is working in a clinical research trial that has a control group and an experimental group but does not know which group is receiving the active drug. Which statement best identifies the research design?
Placebo group
Experimental drug
Control group
Double-blind
The Correct Answer is D
A. Placebo group: A placebo group refers to participants receiving an inactive substance or placebo, not the research design itself.
B. Experimental drug: The term "experimental drug" refers to the drug being tested, not the design of the study.
C. Control group: The control group receives the placebo or standard treatment for comparison, but this term does not describe the study design.
D. Double-blind: A double-blind study is one in which neither the participants nor the researchers know who is receiving the active drug or placebo. This is the correct term for the described scenario.
Nursing Test Bank
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Related Questions
Correct Answer is D
Explanation
A. Placebo group: A placebo group refers to participants receiving an inactive substance or placebo, not the research design itself.
B. Experimental drug: The term "experimental drug" refers to the drug being tested, not the design of the study.
C. Control group: The control group receives the placebo or standard treatment for comparison, but this term does not describe the study design.
D. Double-blind: A double-blind study is one in which neither the participants nor the researchers know who is receiving the active drug or placebo. This is the correct term for the described scenario.
Correct Answer is B
Explanation
A. Minerals: Minerals do not contain Vitamin C. They are inorganic substances needed for various body functions.
B. Plants: Vitamin C is abundant in plant sources such as citrus fruits, strawberries, and green vegetables.
C. Animal sources: While animals produce Vitamin C, it is not typically a significant source in the human diet compared to plant sources.
D. Solvents: Solvents are substances used to dissolve other substances and do not contain nutrients like Vitamin C.
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