Which organ contains anatomical barriers that limit some drugs from gaining access?
1. Kidney
2. Liver
3. Brain
4. Heart
3
Rationale 1: The kidney does not have an anatomical barrier that limits some drugs from gaining access.
Rationale 2: The liver does not have an anatomical barrier that limits some drugs from gaining access.
Rationale 3: The brain, testes, and placenta all have barriers that limit the movement of some drugs from the bloodstream into those organs.
Rationale 4: The heart does not have an anatomical barrier that limits some drugs from gaining access.
Global Rationale: The brain, testes, and placenta all have barriers that restrict the movement of some drugs from the bloodstream into those organs. The kidneys, liver, and heart have no anatomical barriers to limit some drugs from gaining access.
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