Question:medium

Which of the following is the first level of biocompatibility testing?

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To remember this testing sequence easily, follow the logical progression of life complexity: $\mathbf{\textit{In vitro}\text{ (Cells in dish)}} \longrightarrow \mathbf{\textit{In vivo}\text{ (Animal models)}} \longrightarrow \mathbf{\text{Clinical Trials (Human patients)}}$ Always test on isolated cells first before introducing a material to a living organism!

Updated On: Jun 23, 2026

Secondary test
In vitro test
Clinical trial
In vivo animal model test

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The Correct Option is B

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