THYROID MCQS

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Thyroid MCQs

 

1. propylthiouracil has a longer half-life than carbimazole.

2.  carbimazole and propylthiouracil act to block thyroid hormone       synthesis by inhibiting thyroid peroxidase.

3.It is prudent to have a white cell count (WCC) during any febrile illness for all patients taking antithyroid medication.

4.life-threatening agranulocytosis, which is defined as a neutrophil count of less than 0.05x109/L.

5. Cluster of symptoms and signs of agranulocytosis includes mouth ulcers, sore throat, fever, and rash.

 

 

Answers

1.    FALSE-Carbimazole has longer half-life so prescribed one or twice daily but PTU three times daily.

2.    TRUE-Mechanism of action

3.    FALSE -Need a differential WCC (Febrile neutropenia has serious consequences)

4.    TRUE-

5.    TRUE-Need patient education preferably written instruction to stop the antithyroid medications immediately.

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