MCQs for Acquiring Knowledge about Drugs
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Questions and Answers

Which adverse effect is associated with the use of Pethidine?

  • Seizures (correct)
  • Hypertension
  • Rash
  • Nausea and vomiting
  • What effect does Diazepam have on the central nervous system?

  • Increased heart rate
  • Enhanced cognitive function
  • Exaggerated CNS depression (correct)
  • Pupil constriction
  • What happens to the inotropic action of digoxin in congestive heart failure patients?

  • It remains unchanged
  • It is enhanced
  • It becomes arrhythmogenic
  • It is attenuated (correct)
  • Which pair of drugs can interact by making suitable adjustments to avoid adverse effects?

    <p>Levodopa and metoclopramide</p> Signup and view all the answers

    What is the basis of organ toxicity of Chloroquine when used for prolonged periods?

    <p>Drug cumulation</p> Signup and view all the answers

    Which action of morphine does not develop significant tolerance?

    <p>Miosis</p> Signup and view all the answers

    Which antihistaminic blocks cardiac K+ channels when given in high doses or along with drugs that inhibit CYP3A4 isoenzyme?

    <p>Astemizole</p> Signup and view all the answers

    What is an undesirable effect of a drug that occurs at therapeutic doses and can be predicted from its pharmacological actions called?

    <p>Side effect</p> Signup and view all the answers

    Which antihistaminic modulates calcium channels and has a prominent labyrinthine suppressant property?

    <p>Cinnarizine</p> Signup and view all the answers

    Which of the following is a type B (unpredictable) adverse drug reaction?

    <p>Idiosyncrasy</p> Signup and view all the answers

    Why should Erythromycin not be given to a patient being treated with terfenadine?

    <p>Dangerous ventricular arrhythmias can occur</p> Signup and view all the answers

    Which side effect of a drug has been used as a therapeutic effect in another condition?

    <p>Uterine stimulation caused by quinine</p> Signup and view all the answers

    How does a 'toxic effect' differ from a 'side effect'?

    <p>It is a more intense pharmacological effect that occurs at high dose or after prolonged medication</p> Signup and view all the answers

    How does Fexofenadine differ from terfenadine?

    <p>It does not block cardiac delayed rectifier K+ channels</p> Signup and view all the answers

    Which H1 antihistaminic is used topically in the nose for allergic rhinitis?

    <p>Azelastine</p> Signup and view all the answers

    'Drug toxicity' and 'poisoning' are related in what way?

    <p>A toxic effect that endangers life by markedly affecting vital functions is called poisoning</p> Signup and view all the answers

    What is the suggested approach for students after studying a chapter in the book?

    <p>Answering the MCQs and assessing their learning</p> Signup and view all the answers

    Who is acknowledged for providing constructive criticism and useful suggestions?

    <p>Users of the previous MCQs book</p> Signup and view all the answers

    What was the date when the book was acknowledged and the author's name mentioned?

    <p>1st May 2004</p> Signup and view all the answers

    What is the primary purpose of using the MCQs in the book?

    <p>Acquiring relevant and clear-cut knowledge about drugs</p> Signup and view all the answers

    Who played a motivating influence role according to the text?

    <p>Mr. Jitendar P Vij</p> Signup and view all the answers

    Which section of the book includes 'Drugs Affecting Blood and Blood Formation'?

    <p>Chapter 10</p> Signup and view all the answers

    An 'orphan drug' is:

    <p>A drug needed for treatment or prevention of a rare disease</p> Signup and view all the answers

    Which route of drug administration is most likely to be subjected to first-pass metabolism?

    <p>Oral</p> Signup and view all the answers

    Transdermal drug delivery systems offer the following advantages except:

    <p>They require frequent dosing intervals</p> Signup and view all the answers

    `Essential drugs’ are:

    <p>Drugs that meet the priority health care needs of the population</p> Signup and view all the answers

    Which type of drug is listed in the pharmacopoeia of a country?

    <p>`Essential drugs’</p> Signup and view all the answers

    Which type of drug is least likely to have therapeutic use?

    <p>`Orphan drugs'</p> Signup and view all the answers

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