The following thyroid inhibitor interferes with peripheral conversion of thyroxine to triiodothyronine: A. Propyl thiouracil B. Methimazole C. Carbimazole D. Radioactive iodine

The following thyroid inhibitor interferes with peripheral
conversion of thyroxine to triiodothyronine:
A. Propyl thiouracil
B. Methimazole
C. Carbimazole
D. Radioactive iodine
by

1 Answer

Answer :

A. Propyl thiouracil
by

Related questions

The following thyroid inhibitor does not produce goiter when given in over dose: A. Propyl thiouracil B. Carbimazole C. Radioactive iodine D. Sodium thiocyanat

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Last Answer : C. Papillary carcinoma of thyroid

The following thyroid inhibitor does not produce goiter when given in over dose: A. Propyl thiouracil B. Carbimazole C. Radioactive iodine D. Sodium thiocyanate

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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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Last Answer : D. To reduce friability and vascularity of the thyroid gland

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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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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Iodide uptake by thyroid gland is decreased by (A) Thicyanate (B) Thiouracil (C) Thiourea (D) Methimazole

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Last Answer : Answer : A

Triiodothyronine is preferred over thyroxine in the treatment of: A. Endemic goiter B. Cretinism C. Papillary carcinoma of thyroid D. Myxoedema coma

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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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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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17.2 Triiodothyronine differs from thyroxine in that: A. It is more avidly bound to plasma proteins B. It has a shorter plasma half life C. It is less potent D. It has a longer latency of action (

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Complications of over treatment with thyroxine include the following except: A. Auricular fibrillation B. Angina pectoris C. Congestive heart failure D. Acceleration of atherosclerosis

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Actions of thyroxine include the following except: A. Induction of negative nitrogen balance B. Reduction in plasma cholesterol level C. Fall in plasma free fatty acid level D. Rise in blood sugar leve

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Last Answer : C. Fall in plasma free fatty acid level

The most reliable guide to adjustment of thyroxine dose in a patient of hypothyroidism is: A. Pulse rate B. Body weight C. Serum thyroxine level D. Serum TSH level

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Last Answer : D. Serum TSH level

Metabolic rate of the following organ is not significantly affected by thyroxine: A. Brain B. Heart C. Liver D. Skeletal muscle

Description : Metabolic rate of the following organ is not significantly affected by thyroxine: A. Brain B. Heart C. Liver D. Skeletal muscle

Last Answer : A. Brain

riiodothyronine differs from thyroxine in that: A. It is more avidly bound to plasma proteins B. It has a shorter plasma half life C. It is less potent D. It has a longer latency of action

Description : riiodothyronine differs from thyroxine in that: A. It is more avidly bound to plasma proteins B. It has a shorter plasma half life C. It is less potent D. It has a longer latency of action

Last Answer : B. It has a shorter plasma half life

17.6 Complications of over treatment with thyroxine include the following except: A. Auricular fibrillation B. Angina pectoris C. Congestive heart failure D. Acceleration of atherosclerosis

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Last Answer : D. Acceleration of atherosclerosis

17.5 Actions of thyroxine include the following except: A. Induction of negative nitrogen balance B. Reduction in plasma cholesterol level C. Fall in plasma free fatty acid level D. Rise in blood sugar level

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Last Answer : D. Rise in blood sugar level

17.4 The most reliable guide to adjustment of thyroxine dose in a patient of hypothyroidism is: A. Pulse rate B. Body weight C. Serum thyroxine level D. Serum TSH level

Description : 17.4 The most reliable guide to adjustment of thyroxine dose in a patient of hypothyroidism is: A. Pulse rate B. Body weight C. Serum thyroxine level D. Serum TSH level

Last Answer : D. Serum TSH level

7.3 Metabolic rate of the following organ is not significantly affected by thyroxine: A. Brain B. Heart C. Liver D. Skeletal muscle

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Last Answer : A. Brain

Iodine is required in human body for (A) Formation of thyroxine (B) Formation of Glutathione (C) Formation of potassium iodide (D) Adrenalin

Description : Iodine is required in human body for (A) Formation of thyroxine (B) Formation of Glutathione (C) Formation of potassium iodide (D) Adrenalin

Last Answer : Answer : A

Which one of the following hormones contains iodine? (1) Thyroxine (2) Testosterone (3) Insulin (4) Adrenaline

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Last Answer : (1) Thyroxine Explanation: Thyroxine is produced by attaching iodine atoms to the ring structures of this protein's tyrosine residues; thyroxine (T4) contains four iodine atoms

Which one of the following hormones contains iodine? (1) Thyroxine (2) Testosterone (3) Insulin (4) Adrenaline

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Last Answer : (1) Thyroxine Explanation: Thyroxine is produced by attaching iodine atoms to the ring structures of this protein's tyrosine residues; thyroxine (T4) contains four iodine atoms, while triiodothyronine (T3), otherwise identical to T4, has one less iodine atom per molecule.