pharmacology

Q- Which of the following is the most frequent and irreversible side effect of typical anti-psychotics? A- Akathisia B- Anxiety C- Dystonia D- Tardive dyskinesia Q- Which of the following is the mechanism of action of ursodiol to reduce the size of gallstones in the common bile duct? A- Dissolving calcium from the stone B- […]

Q- Which of the following is the effect of digoxin on a case of heart failure? A- Decreased stroke volume and vagal activity B- Increased stroke volume and cardiac output C- Increased sympathetic tone and decreased vagal activity D- Rapid conduction through AV node Q- Which of the following is the mechanism of action of […]

Q- Which one of the following actions is produced by muscarinic cholinergic agonists? A- Activation of inhibitory G protein B- Decreased IP3 production C- Decreased release of intracellular calcium D- Inhibition of phospholipase C Q- Organophosphorus poisoning can be treated with which of the following agents? A- Atenolol B- Atropine C- Ipratropium bromide D- Physostigmine […]

Q- Which of the following is the currently drug of choice for the treatment of cutaneous anthrax? A- Azithromycin B- Ciprofloxacin C- Gentamicin D- Penicillin Q- Which of the following is the mechanism of action of benzodiazepines in the treatment of insomnia? A- Alpha adrenergic antagonist B- Binds to serotonin receptors C- Binds to GABA […]

Q- Which of the following side effects occurs with both tricyclic antidepressants and phenothiazines? A- Excessive salivation B- Orthostatic hypotension C- Seizures D- Weight loss Q- Which of the following medications is useful to distinguish nephrogenic from neurogenic diabetes insipidus? A- Acetazolamide B- Demeclocycline C- Desmopressin D- Hydrochlorothiazide Q- Which of the following drugs is […]

Q- A liposomal preparation of which one of the following medications may reduce the incidence of renal toxicity? A- Acyclovir B- Amphotericin B C- Ketoconazole D- Vancomycin Q- Which of the following medications is the most effective immunosuppressant in cases of organ transplantation? A- Azathioprine B- Cyclophosphamide C- Cyclosporine D- Vinblastine Q- Which of the […]