Question 236 · LEK · Hypothyroidism
Which of the following can be detected in the blood serum of patients with primary hypothyroidism?
- A. decreased TSH and decreased FT4.
- B. decreased TSH and increased FT4.
- C. decreased TSH and normal FT4.
- D. increased TSH and decreased FT4.
- E. increased TSH and increased FT4.
Hint
In primary failure the gland itself is affected, so the pituitary responds to low hormone levels through negative feedback.
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