Examlex
Which of the following is an example of a nonspecific immune defense?
Inactive Substance
A substance with no intended therapeutic effect, commonly used in clinical trials as a control to test the efficacy of treatments.
Experimental Group
In research, the group of participants who are exposed to the independent variable or treatment of interest.
Control Group
In an experiment, the group of participants who are not exposed to the independent variable, used as a comparison to measure the effect of the treatment.
Experimental Group
The group in an experiment that receives the variable being tested, allowing researchers to determine the effect of that variable.
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