Thyroid Drug Quiz: Replace or Suppress?

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| By Thames
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Quizzes Created: 7097 | Total Attempts: 80,150
| Questions: 20 | Updated: Jul 1, 2026
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1. A patient with hypothyroidism is started on levothyroxine. When should TSH be rechecked?

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About This Quiz
Thyroid Drug Quiz: Replace Or Suppress? - Quiz

This quiz evaluates your understanding of Thyroid & Antithyroid Drugs, covering mechanisms, therapeutic uses, and clinical management. Test your knowledge of thyroid hormone replacement therapy, antithyroid medications, and when to use replacement versus suppression strategies in patient care.

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2. The antithyroid drug that carries a black box warning for hepatotoxicity is ____.

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3. Levothyroxine absorption is best when taken on an ____ stomach.

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4. A patient develops a rash while on methimazole. This may indicate which adverse reaction?

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5. Radioactive iodine (I-131) is used in hyperthyroidism and works by which mechanism?

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6. Which drug interaction causes increased levothyroxine requirements in patients taking phenytoin?

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7. In thyroid cancer management, TSH suppression is achieved by giving levothyroxine doses that maintain TSH at what level?

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8. A patient on levothyroxine reports constipation and weight gain. These may indicate:

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9. Methimazole is preferred over PTU in non-pregnant patients primarily because of which advantage?

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10. Which condition is thyroid hormone replacement therapy (not suppression) appropriate for?

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11. Which hormone is the primary active form of thyroid hormone used in most replacement therapies?

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12. Iodine solution (Lugol's or SSKI) works in hyperthyroidism by which mechanism?

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13. What is a major adverse effect of PTU that requires immediate monitoring?

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14. TSH suppression therapy is typically used in patients with which condition?

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15. Which medication should be avoided when taking levothyroxine due to decreased absorption?

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16. A patient on levothyroxine reports palpitations and tremors. What should be assessed first?

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17. Propranolol is used in hyperthyroidism primarily to manage which symptom?

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18. What is the primary advantage of PTU over methimazole in early pregnancy?

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19. Which antithyroid drug works by inhibiting thyroid peroxidase and blocking iodine incorporation?

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20. A patient taking levothyroxine should wait how long after taking the medication before consuming breakfast?

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A patient with hypothyroidism is started on levothyroxine. When should...
The antithyroid drug that carries a black box warning for...
Levothyroxine absorption is best when taken on an ____ stomach.
A patient develops a rash while on methimazole. This may indicate...
Radioactive iodine (I-131) is used in hyperthyroidism and works by...
Which drug interaction causes increased levothyroxine requirements in...
In thyroid cancer management, TSH suppression is achieved by giving...
A patient on levothyroxine reports constipation and weight gain. These...
Methimazole is preferred over PTU in non-pregnant patients primarily...
Which condition is thyroid hormone replacement therapy (not...
Which hormone is the primary active form of thyroid hormone used in...
Iodine solution (Lugol's or SSKI) works in hyperthyroidism by which...
What is a major adverse effect of PTU that requires immediate...
TSH suppression therapy is typically used in patients with which...
Which medication should be avoided when taking levothyroxine due to...
A patient on levothyroxine reports palpitations and tremors. What...
Propranolol is used in hyperthyroidism primarily to manage which...
What is the primary advantage of PTU over methimazole in early...
Which antithyroid drug works by inhibiting thyroid peroxidase and...
A patient taking levothyroxine should wait how long after taking the...
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