Praxis 5857 Practice Question
Amniocentesis is an invasive diagnostic test that is best described as
Correct Answer: C
Rationale: Amniocentesis involves the removal of amniotic fluid surrounding the fetus to analyze for chromosomal abnormalities and infections, making option C accurate.
Option A describes chorionic villus sampling (CVS), which involves placental tissue, not amniotic fluid. Option B refers to maternal blood tests, such as the triple screen, which assess proteins but do not involve invasive procedures. Option D outlines an ultrasound, a non-invasive imaging technique that uses sound waves, rather than a fluid sampling method. Thus, only option C correctly defines amniocentesis.
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