alleryStart learning →Which drug precursor crosses the blood brain barrier?
AL-DAPA
BL-DOMA
CL-DOPA
DL-DOPS
Answer & Solution
Correct answer: C. L-DOPA
1. Dopamine itself cannot cross.
2. A precursor is given instead.
3. L-DOPA is a precursor to the neurotransmitter dopamine and can cross the blood-brain barrier.
4. So the answer is L-DOPA.
_Source: OpenStax 'Anatomy and Physiology 2e', Ch 13 'Anatomy of the Nervous System'_
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