Which reaction rate statement is true for the reaction A → B?

A 4 year old girl presents to the emergency unit with a rigid neck and her head tilted to  the side. She had been given an injection to stop vomiting by another healthcare worker 3 hours before the emergency unit visit. The injection is likely to have been:            1.        Omeprazole2.        Haloperidol3.        Metoclopramide4.        Dexamethasone5.        Misoprostol

    The following drug is indicated for postoperative nausea and vomiting:                    1.        Dexamethasone2.        Omeprazole3.        Senna4.        Lubiprostone 5.        Loperamide

The following statement is true about sucralfate:                                                                1.        It is a complex of aluminium hydroxide [Al(OH)3] and sulphated sucrose 2.        It enables mucosal degradation by acid & pepsin.3.        It requires an alkaline pH for activation 4.        It should be given with omeprazole         5.        It exhibits a very high bioavailability

The following is used in the treatment of severe hypothyroid states when rapid response is required:                                                                                                                                          1.        Levothyroxine2.        Liothyronine3.        Carbimazole4.        Iodine5.        Somatostatin

      The following can be used in the treatment of Cushing’s syndrome:                             1.        Cortisol2.        Dexamethasone3.        Mehtylprednisolone4.        Fludrocortisone5.        Betamethasone

The following drug can cause anorexia:                                                                                 1.        Metformin2.        Glimepiride3.        Repaglinide4.        Pioglitazone5.        Saxagliptin

      The following is true about anti-motility agents:                                                                1.        They have opioid-like action on the gut 2.        They are drugs of choice in children with severe colitis3.        They are analogues of prostaglandins4.        They increase peristalsis5.        Insomnia is a common side effect

The following are true regarding iodine therapy except:                                                  1.        Used in the treatment of hypothyroidism2.        Used in the treatment of hyperthyroidism3.       Clinical effects are usually evident within 24 hours after administration4.        Serum potassium should be monitored when potassium-containing iodine solutions are prescribed5.        Prolonged administration of large doses may result in iodism 

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