Pharmacology - Mock Test 14

Question 131

The physical half life of radioactive ¹³¹I is

A) 8 hours B) 8 days C) 16 days D) 60 days

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Question 132

The uses of sodium/potassium iodide include the following <u>except</u>

A) Preoperative preparation of Grave’s disease patient B) Prophylaxis of endemic goiter C) As antiseptic D) As expectorant

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Question 133

The aim of iodine therapy before subtotal thyroidectomy in Grave’s disease is

A) To render the patient euthyroid B) To restore the iodine content of the thyroid gland C) To inhibit peripheral conversion of thyroxine into triiodothyronine D) To reduce friability and vascularity of the thyroid gland

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Question 134

Lugol’s iodine is used in hyperthyroidi

A) As long term definitive monotherapy B) Preoperatively for 10-15 days C) Postoperatively for 10-15 days D) As adjuvant to carbimazole for long term therapy

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Question 135

In the treatment of hyperthyroidism, carbimazole has the following advantage over radioactive iodine

A) Cost of treatment is lower B) It is preferable in uncooperative patient C) It is better tolerated by the patients D) Hypothyroidism when induced is reversible

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Question 136

Choose the correct statement about carbimazole

A) It induces improvement in thyrotoxic symptoms afer 1-4 weeks therapy B) Control of thyrotoxic symptoms with carbimazole is accompanied by enlargement of thyroid gland C) Its long term use in Grave's disease leads to ‘thyroid escape’ D) It mitigates thyrotoxic symptoms without lowering serum thyroxine levels

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Question 137

The thyroid inhibitor which produces the fastest response is

A) Lugol’s iodine B) Radioactive iodine C) Propylthiouracil D) Lithium carbonate

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Question 138

Carbimazole differs from propylthiouracil in that

A) It is dose to dose less potent B) It has a shorter plasma half life C) It does not produce an active metabolite D) It does not inhibit peripheral conversion of thyroxine to triiodothyronine

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Question 139

Overtreatment with the following thyroid inhibitor results in enlargement of the thyroid

A) Lugol’s iodine B) Radioactive iodine C) Carbimazole D) All of the above

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Question 140

The following thyroid inhibitor interferes with peripheral

A) Propyl thiouracil B) Methimazole C) Carbimazole D) Radioactive iodine

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