06-06-2010, 10:57 PM
12. A 4-year-old boy is brought for a well-child
examination. He
uses two-word phrases, can say his first name but not
his last name, and
cannot identify colors. He is just beginning toilet
training. His
7-year-old sister has a learning disability and
attends special education
classes. Genital development is Tanner stage 1;
testes are large.
Which of the following is the most appropriate next
step in diagnosis?
A
) Reexamination in 6 months
B
) Thyroid function tests
C
) DNA testing
D
) Measurement of bone age
E
) CT scan of the head