Question 12 (part 2) · LEK · Congenital hypothyroidism
What does the neonatal screening test for congenital primary hypothyroidism consist in?
- A. determination of serum T4 concentration.
- B. determination of plasma T3 and T4 concentration.
- C. determination of TSH concentration in a dry blood drop.
- D. determination of TSH and fT3.
- E. screening tests for primary hypothyroidism are not performed in neonates.
Hint
Primary hypothyroidism is detected by the pituitary hormone that rises when the thyroid fails, measured on a filter-paper card.
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