A patient presents with signs of hyperthyroidism (thyrotoxicosis). To investigate the matter, you measure T4 and TSH levels. If a patient has a benign thyroid adenoma 'toxic nodule'. Would you expect any of the following results?
سؤال مجاني 3 من 10 اليوم · اشترك وكمّل بدون حد
اعرض الإجابة
الإجابة والشرح
ادخل لحسابك عشان نحفظ إجاباتك ونوريك أخطاءك.
الإجابة: B. T4 elevated, TSH reduced
✓ مطابق للمصدر
thyroid and parathyroid- Afnan.pdf · p. 21
A toxic adenoma is an autonomous, hyperfunctioning (hot) nodule. It produces excess thyroid hormone, so T4 is elevated, and negative feedback suppresses TSH.
- Low T4 with high TSH is primary hypothyroidism.
- High T4 with high TSH points to a TSH-secreting pituitary adenoma.
- المصدر
- thyroid and parathyroid- Afnan.pdf · p. 21
thyroid and parathyroid- Afnan.pdf · p. 20 - المحاضرة
- Thyroid and Parathyroid · General Surgery · Module D
- ظهر في
- Surgery QB (Module D) p. 204 Q12