Q. Propranolol is used in hyperthyroidism:
  • (A) As short-term symptomatic therapy till effect of carbimazole develops
  • (B) As long-term therapy after subtotal thyroidectomy
  • (C) In patients not responding to carbimazole
  • (D) To potentiate the effect of radioactive iodine
πŸ’¬ Discuss
βœ… Correct Answer: (A) As short-term symptomatic therapy till effect of carbimazole develops
Q. Antithyroid drugs exert the following action:
  • (A) Inhibit thyroxine synthesis
  • (B) Block the action of thyroxine on pituitary
  • (C) Block the action of TSH on thyroid
  • (D) Block the action of thyroxine on peripheral tissues
πŸ’¬ Discuss
βœ… Correct Answer: (A) Inhibit thyroxine synthesis
πŸ“Š Pharmaceutical Chemistry - Medicinal Chemistry 4
Q. 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
πŸ’¬ Discuss
βœ… Correct Answer: (C) Fall in plasma free fatty acid level
Q. 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
πŸ’¬ Discuss
βœ… Correct Answer: (B) It has a shorter plasma half life