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MCQs

Total Questions : 204 | Page 6 of 21 pages
Question 51. Acycloguanosine is a nucleoside analog which is active against ___________________
  1.    Influenza A virus
  2.    HIV virus
  3.    Herpes virus
  4.    Influenza B virus
 Discuss Question
Answer: Option C. -> Herpes virus
Answer: (c).Herpes virus
Question 52. Amantadine is very effective against influenza A virus.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 53. Which of the following has its antiviral action attributed to interference of protein synthesis?
  1.    Amantadine
  2.    Interferons
  3.    Acycloguanosine
  4.    5’-iododeoxyuridine
 Discuss Question
Answer: Option B. -> Interferons
Answer: (b).Interferons
Question 54. Which of the following is effective in the control of tuberculosis in humans?
  1.    Nitrofurans
  2.    Nalidixic Acid
  3.    Sibromycin
  4.    Isoniazid
 Discuss Question
Answer: Option D. -> Isoniazid
Answer: (d).Isoniazid
Question 55. Anthramycin is which of the following type of antibiotic?
  1.    Antiviral
  2.    Antitumor
  3.    Antifungal
  4.    Antibacterial
 Discuss Question
Answer: Option B. -> Antitumor
Answer: (b).Antitumor
Question 56. Which of the following drugs involves modification of the drug by enzymatic modification or degradation of its active element to alter its/their resistance?
  1.    Pencillins
  2.    Choloramphenicol
  3.    Aminoglyosides
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Answer: (d).All of these
Question 57. When using alcohol as an antiseptic, which concentration is considered most effective?
  1.    95%
  2.    50%
  3.    70%
  4.    25%
 Discuss Question
Answer: Option C. -> 70%
Answer: (c).70%
Question 58. Who developed the concept of specific toxicity?
  1.    Pasteur
  2.    Fleming
  3.    Watson
  4.    Ehrlich
 Discuss Question
Answer: Option D. -> Ehrlich
Answer: (d).Ehrlich
Question 59. Which of the following is used only in life-threatening situations when no other drug is adequate?
  1.    Penicillin
  2.    Tetracycline
  3.    Chloramphenicol
  4.    Streptomycin
 Discuss Question
Answer: Option C. -> Chloramphenicol
Answer: (c).Chloramphenicol
Question 60. Fluoroquinolones are antibiotics which inhibit
  1.    DNA polymerase
  2.    RNA polymerase
  3.    DNA gyrase
  4.    Cross-linking of peptidoglycan
 Discuss Question
Answer: Option C. -> DNA gyrase
Answer: (c).DNA gyrase

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