Effects And Uses Of Drugs

40 Questions | Total Attempts: 40

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Drug Quizzes & Trivia

Questions and Answers
  • 1. 
    Which of the following is not a function of drugs?
    • A. 

      Diagnosis

    • B. 

      Prevention

    • C. 

      Treatment

    • D. 

      None of the above

  • 2. 
    Which of the following is not one of the body control systems on which drugs act upon?
    • A. 

      Receptors

    • B. 

      Ion channels

    • C. 

      Genetic apparatus

    • D. 

      Enzymes

    • E. 

      Carrier proteins

  • 3. 
    Which of the following is not true about Gq-proteins
    • A. 

      Increases DAG

    • B. 

      Increases intracellular Ca+2 ions

    • C. 

      Activates tyrosine kinase C

    • D. 

      Linked to alpha-1 adrenergic receptors

    • E. 

      None of the above

  • 4. 
    Which of the following is common between between DNA-linked receptors and NO receptors
    • A. 

      They are found inside the cells

    • B. 

      They both act on genetic apparatus

    • C. 

      The action of both of them depends on the formation of a second messenger

    • D. 

      They modify protein production

    • E. 

      All of the above

  • 5. 
    Which of the following is common between agonists and antagonists
    • A. 

      They have the same rate of association and disassociation

    • B. 

      They both have affinity

    • C. 

      They both have efficacy

    • D. 

      Two of the above

  • 6. 
    Which of the following is used to calculate the effectiveness of the drug in relation to its dose
    • A. 

      Emax

    • B. 

      ED50

    • C. 

      Therapeutic index

    • D. 

      Steepness of slope of the dose-effect graph

    • E. 

      Two of the above

  • 7. 
    Which of the following parameters can't be obtained from a quantal-dose curve
    • A. 

      Emax

    • B. 

      ED50

    • C. 

      LD50

    • D. 

      Safety index

    • E. 

      None of the above

  • 8. 
    Which of the following regarding chronopharmacology is not correct?
    • A. 

      Attacks of bronchial asthma are common at night

    • B. 

      Circadian variation of sympathetic activity causes MI in mornings

    • C. 

      Antihistamine treatment should be given at midnight

    • D. 

      Irritant drugs should be given after meals

    • E. 

      None of the above

  • 9. 
    A child is 5 years old and the dose of a drug he takes is 10mg.Find the adult dose
    • A. 

      34mg

    • B. 

      43mg

    • C. 

      12mg

    • D. 

      51mg

  • 10. 
    Which of the following drugs needs to be present in order to cause malignant hyperthermia
    • A. 

      Succinylcholine

    • B. 

      Halothane

    • C. 

      Barbiturates

    • D. 

      Sulphonamides

    • E. 

      Succinylcholine and halothane together

  • 11. 
    Which of the following drugs do not cause porphyrias in a person having genetic defeciency in second enzyme converting porphyrin to heme
    • A. 

      Barbiturates

    • B. 

      Aminoglycosides

    • C. 

      Sulphonamides

    • D. 

      Drugs stimulating ALA synthase

    • E. 

      None of the above

  • 12. 
    Which of the following drugs cause hemolytic anemia due to G6PD defeciency
    • A. 

      Fava beans

    • B. 

      Antimalarials

    • C. 

      Sulphonamides

    • D. 

      All of the above

  • 13. 
    The synthesis of which of the following clotting factors is not inhibited by warfarin
    • A. 

      2

    • B. 

      9

    • C. 

      7

    • D. 

      10

    • E. 

      None of the above

  • 14. 
    Which of the following match in teratogenic drugs is incorrect
    • A. 

      I131-->fetal goiter

    • B. 

      Antiepileptics-->cleft palate

    • C. 

      Thalidomide-->fetal anomalies

    • D. 

      Teracyclins-->dental hypoplasia

  • 15. 
    Iatrogenic diseases are of which type of adverse reactions
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E

  • 16. 
    Metronidazole induces which of the following type D reactions
    • A. 

      Carcinogenecity

    • B. 

      Teratogenecity

    • C. 

      Mutagenecity

    • D. 

      All of the above

  • 17. 
    Drug dependence is of which type of adverse effects
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E

  • 18. 
    Hypertension adverse effect is caused by which of the following
    • A. 

      Stoppage of clonidine

    • B. 

      Stoppage of B-adrenergic blockers

    • C. 

      Corticosteroids chronic use

    • D. 

      Two of the above

    • E. 

      All of the above

  • 19. 
    Which of the following  effects occur at therapeutic dose
    • A. 

      Side effects

    • B. 

      Seizure due to lidocaine

    • C. 

      Toxic effect

    • D. 

      Intolerance

    • E. 

      Two of the above

  • 20. 
    Oral anticoagulants cause which of the following
    • A. 

      Hepatotoxicity

    • B. 

      Analgesic nephropathy

    • C. 

      Addisonian crisis on stoppage

    • D. 

      Thromboembolism

    • E. 

      None of the above

  • 21. 
    Which of the following relating to methods of drug transport is incorrect
    • A. 

      Facilitated diffusion involves transport of substances across ion channels

    • B. 

      Active transport moves substances against concentration gradient

    • C. 

      Pinocytosis uses energy

    • D. 

      Carrier mediated transport is subjected to saturation and competition

    • E. 

      None of the above

  • 22. 
    Which of the following is incorrect about transport factors related to drugs
    • A. 

      Inorganic substanes are better absorbed than organic

    • B. 

      Solutions are better absorbed than suspensions

    • C. 

      More lipid soluble drugs are absorbed better than less lipid soluble ones(provided both have same solubility for water)

    • D. 

      Ferric is better absorbed than ferrous

    • E. 

      None of the above

  • 23. 
    A drug of weak basicity has a pKa of 3 and the ratio of unionized base to ionized base is 2:3.Find the pH of the medium containing the drug(correct to 2 decimal places)
    • A. 

      2.82

    • B. 

      3.18

    • C. 

      4.02

    • D. 

      2.37

  • 24. 
    Which of the following body mechanisms is most useful in toxicity treatment of drugs with high pKa in the urine
    • A. 

      Increasing pH of the urine

    • B. 

      Decreasing pH of the urine

    • C. 

      Increasing pH of plasma filtered

    • D. 

      Decreasing pH of plasma filtered

  • 25. 
    Which of the following drugs is most absorbed by the stomach
    • A. 

      Acidic drug

    • B. 

      Basic drug

    • C. 

      Neutral drug

    • D. 

      All have the same absorbance

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