Mrs. Frantello brings her 3-year-old son David to the office because he seems a little behind other children his age. David has a rather long face with large ears. The physician orders tests for David to rule out fragile X syndrome. While she is in the office, she informs the physician that she is pregnant again. What test would you expect the physician to consider for Mrs. Frantello?
A. Complete blood count (CBC)
B. Phenylalanine concentration
C. Prothrombin time (clotting factor)
D. Thyroid levels (T3 and T4)
E. Amniocentesis
Answer: E
Health Professions
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