Q- Atropine is often used prior to administration of inhalant anesthetics to reduce which of the following? A- Heart rate B- Muscle tone C- Secretions D- Vomiting Q- Which of the following is the most significant action of monoamine oxidase A? A- Metabolism of dopamine B- Metabolism of norepinephrine, serotonin and tyramine C- Metabolism of […]
pharmacology
Pharmacology MCQs- 267
Q- Which of the following adverse effects of L-dopa is the most likely the reason to limit the use of it? A- Depression B- Dyskinesia C- Nausea and occasional vomiting D- Orthostatic hypotension Q- Which of the following is a contraindication of use of benzodiazepines in anxiety disorder? A- Diabetes mellitus B- Seizures C- Sleep […]
Pharmacology MCQs- 266
Q- Which of the following medications acts to prevent cholesterol absorption at small intestine brush border? A- Cholestyramine B- Colestipol C- Ezetimibe D- Gemfibrozil Q- Alcohol is oxidized in the liver by which one of the following enzymes? A-Alcohol decarboxylase B- Alcohol dehydrogenase C- Alcohol oxidase D- Alcohol reductase . Q- Which of the following […]
Pharmacology MCQs- 265
Q- Bioavailability of a medication is maximal when it has which of the following factors? A- High ionization B- High lipid solubility C- High plasma binding D- High water solubility Q- Which of the following is the major indication of ondansetron in patients receiving chemotherapy? A- Hair loss B- Nausea and vomiting C- Headache D- […]
Pharmacology MCQs- 264
Q- Which of the following statements correctly describes the therapeutic dose of medication? A- The amount of medication that produces maximal rate of distribution B- The amount of medication that produces minimal biological effect C- The amount of medication that produces the highest plasma concentration of the drug D- The amount of medication that produces […]
Pharmacology MCQs- 263
Q- Acute decrease in response to a drug after initial or repeated intake is known as which of the following drug interactions? A- Additive B- Permissive C- Synergetic D- Tachyphylactic Q- Which one of the following correctly describes nicotinic Ach receptors? A- Enzyme-linked receptors B- G-protein–coupled receptors C- Ligand-gated Na+/K+ channels Q- Which of the […]