The presence of acetylcholinesterase in amniotic fluid aids diagnosis of which condition?

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Study for the NBME Form 13 Test with our comprehensive quiz collection, featuring flashcards and multiple-choice questions to ensure your readiness. Enhance your knowledge with detailed explanations for each question.

Multiple Choice

The presence of acetylcholinesterase in amniotic fluid aids diagnosis of which condition?

Explanation:
Acetylcholinesterase in amniotic fluid is a marker for open neural tube defects. When the neural tube fails to close properly, neural tissue is exposed to the amniotic fluid and releases acetylcholinesterase, which can be detected in the amniotic fluid. This test is particularly specific for open neural tube defects such as spina bifida aperta or anencephaly, and helps distinguish them from closed defects like spina bifida occulta. It is not used to diagnose ectopic pregnancy or Down syndrome.

Acetylcholinesterase in amniotic fluid is a marker for open neural tube defects. When the neural tube fails to close properly, neural tissue is exposed to the amniotic fluid and releases acetylcholinesterase, which can be detected in the amniotic fluid. This test is particularly specific for open neural tube defects such as spina bifida aperta or anencephaly, and helps distinguish them from closed defects like spina bifida occulta. It is not used to diagnose ectopic pregnancy or Down syndrome.

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