A patient with hyperthyroidism receives propranolol while waiting for antithyroid treatment to work. Which symptom is this medicine mainly intended to reduce?
Correct answer: A. Tachycardia and tremors
- A. Tachycardia and tremors
- B. Thyroid hormone production
- C. Thyroid gland enlargement
- D. Low serum calcium levels
Explanation
Propranolol reduces adrenergic symptoms of hyperthyroidism, especially tachycardia, palpitations and tremors. It does not stop thyroid hormone production, so it does not replace the action of an antithyroid medicine.
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About Endocrine and Diabetes Drugs
Endocrine pharmacology includes insulin preparations, oral antidiabetic drugs, thyroid and antithyroid medicines, corticosteroids, sex hormones and drugs affecting calcium balance. Questions address onset and duration, administration, monitoring, hypoglycaemia, steroid adverse effects and the difference between replacing a deficient hormone and suppressing excessive hormone activity.
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