61. Gram negative organisms are largely insensitive to benzyl penicillin because
(a) They produce large quantities of penicillinase
(b) They do not utilize D-alanine whose incorporation in the cell wall is inhibited by benzyl penicillin
(c) Benzyl penicillin is not able to penetrate deeper into the lipoprotein-peptidoglycan multiplayer cell wall of gram-negative bacteria
(d) Both (a) and (b)
Ans: C
62. The penicillin G preparation with the longest duration of action is
(a) Benzathine penicillin
(b) Sodium penicillin
(c) Potassium penicillin
(d) Procaine penicillin
Ans: A
63. If a patient gives history of urticaria, itching and swelling of lips following injection of penicillin G, then
(a) He will develop similar reaction whenever penicillin is injected
(b) He can be given ampicillin safely
(c) He can be given oral phenoxymethyl penicillin safely
(d) All natural and semisynthetic penicillins are contraindicated for him
Ans: D
64. The most important reason for highly restricted use of penicillin G injections in present day therapeutics is its
(a) Narrow spectrum of activity
(b) Potential to cause hypersensitivity reaction
(c) Short duration of action
(d) Neurotoxicity
Ans: B
65. Benzathine penicillin injected once every 4 weeks for 5 years or more is the drug of choice for
(a) Agranulocytosis patients
(b) Prophylaxis of bacterial endocarditis in patients with valvular defects
(c) Prophylaxis of rheumatic fever
(d) Treatment of anthrax
Ans: C
66. Which of the following is not a semisynthetic penicillin ?
(a) Procaine penicillin
(b) Ampicillin
(c) Cloxacillin
(d) Carbenicillin
Ans: A
67. Cloxacillin is indicated in infections caused by the following organism(s)
(a) Staphylococci
(b) Streptococci
(c) Gonococci
(d) All of the above
Ans: A
68. The most frequent side effect of oral ampicillin is
(a) Nausea and vomiting
(b) Loose motions
(c) Constipation
(d) Urticaria
Ans: B
69. Amoxicillin is inferior to ampicillin for the treatment of the following infection
(a) Typhoid
(b) Shigella enteritis
(c) Subacute bacterial endocarditis
(d) Gonorrhoea
Ans: B
70. Piperacillin differs from carbenicillin in the following respect(s)
(a) It is more active against pseudomonas aeruginosa
(b) It is active against Klebsiella also
(c) It is acid resistant
(d) Both (a) and (b)
Ans: D
(a) They produce large quantities of penicillinase
(b) They do not utilize D-alanine whose incorporation in the cell wall is inhibited by benzyl penicillin
(c) Benzyl penicillin is not able to penetrate deeper into the lipoprotein-peptidoglycan multiplayer cell wall of gram-negative bacteria
(d) Both (a) and (b)
Ans: C
62. The penicillin G preparation with the longest duration of action is
(a) Benzathine penicillin
(b) Sodium penicillin
(c) Potassium penicillin
(d) Procaine penicillin
Ans: A
63. If a patient gives history of urticaria, itching and swelling of lips following injection of penicillin G, then
(a) He will develop similar reaction whenever penicillin is injected
(b) He can be given ampicillin safely
(c) He can be given oral phenoxymethyl penicillin safely
(d) All natural and semisynthetic penicillins are contraindicated for him
Ans: D
64. The most important reason for highly restricted use of penicillin G injections in present day therapeutics is its
(a) Narrow spectrum of activity
(b) Potential to cause hypersensitivity reaction
(c) Short duration of action
(d) Neurotoxicity
Ans: B
65. Benzathine penicillin injected once every 4 weeks for 5 years or more is the drug of choice for
(a) Agranulocytosis patients
(b) Prophylaxis of bacterial endocarditis in patients with valvular defects
(c) Prophylaxis of rheumatic fever
(d) Treatment of anthrax
Ans: C
66. Which of the following is not a semisynthetic penicillin ?
(a) Procaine penicillin
(b) Ampicillin
(c) Cloxacillin
(d) Carbenicillin
Ans: A
67. Cloxacillin is indicated in infections caused by the following organism(s)
(a) Staphylococci
(b) Streptococci
(c) Gonococci
(d) All of the above
Ans: A
68. The most frequent side effect of oral ampicillin is
(a) Nausea and vomiting
(b) Loose motions
(c) Constipation
(d) Urticaria
Ans: B
69. Amoxicillin is inferior to ampicillin for the treatment of the following infection
(a) Typhoid
(b) Shigella enteritis
(c) Subacute bacterial endocarditis
(d) Gonorrhoea
Ans: B
70. Piperacillin differs from carbenicillin in the following respect(s)
(a) It is more active against pseudomonas aeruginosa
(b) It is active against Klebsiella also
(c) It is acid resistant
(d) Both (a) and (b)
Ans: D
More Questions & Answers:-
I was cured of HPV with the use of pure natural roots and herbs from a herbal professional maker called dr Moses Buba, a man of trust and always reliable to his word. I actually thank you cause at first I doubt what others do, but you make me believe that good people still live . You can reach via email buba.herbalmiraclemedicine@gmail.com or WhatsApp him +234906059305 for more information you can reach me also on my cell phone with text or WhatsApp and even drop a call on 0(501)9914802 . am grateful to share his work so I will share more about Dr Moses buba
ReplyDeleteI was cured of HPV with the use of pure natural roots and herbs from a herbal professional maker called dr Moses Buba, a man of trust and always reliable to his word. I actually thank you cause at first I doubt what others do, but you make me believe that good people still live . You can reach via email buba.herbalmiraclemedicine@gmail.com or WhatsApp him +234906059305 for more information you can reach me also on my cell phone with text or WhatsApp and even drop a call on 0(501)9914802 . am grateful to share his work so I will share more about Dr Moses buba
I was cured of HPV with the use of pure natural roots and herbs from a herbal professional maker called dr Moses Buba, a man of trust and always reliable to his word. I actually thank you cause at first I doubt what others do, but you make me believe that good people still live . You can reach via email buba.herbalmiraclemedicine@gmail.com or WhatsApp him +234906059305 for more information you can reach me also on my cell phone with text or WhatsApp and even drop a call on 0(501)9914802 . am grateful to share his work so I will share more about Dr Moses buba