The drug of choice for penicillinase producing Neisseria gonorrhoeae urethritis is: A. Amoxicillin B. Erythromycin C. Ceftriaxone D. Doxycycline

The drug of choice for penicillinase producing
Neisseria gonorrhoeae urethritis is:
A. Amoxicillin
B. Erythromycin
C. Ceftriaxone
D. Doxycycline
by

1 Answer

Answer :

C. Ceftriaxone
by

Related questions

Amoxicillin + Clavulanic acid is active against the following organisms except: A. Methicillin resistant Staph. aureus B. Penicillinase producing Staph. aureus C. Penicillinase producing N.gonorrhoeae D. β-lactamase producing E.coli

Description : Amoxicillin + Clavulanic acid is active against the following organisms except: A. Methicillin resistant Staph. aureus B. Penicillinase producing Staph. aureus C. Penicillinase producing N.gonorrhoeae D. β-lactamase producing E.coli

Last Answer : A. Methicillin resistant Staph. aureus

Amoxicillin + Clavulanic acid is active against the following organism except (a) Methicillin resistant Staph. aureus (b) Penicillinase producing Staph. aureus (c) Penicillinase producing n. gonorrhoeae (d) ß-lactamase producing E. coli

Description : Amoxicillin + Clavulanic acid is active against the following organism except (a) Methicillin resistant Staph. aureus (b) Penicillinase producing Staph. aureus (c) Penicillinase producing n. gonorrhoeae (d) ß-lactamase producing E. coli

Last Answer : Ans: A

The drug of choice for atypical pneumonia due to Mycoplasma pneumoniae is: A. Doxycycline B. Ciprofloxacin C. Ceftriaxone D. Gentamicin

Description : The drug of choice for atypical pneumonia due to Mycoplasma pneumoniae is: A. Doxycycline B. Ciprofloxacin C. Ceftriaxone D. Gentamicin

Last Answer : A. Doxycycline

A single oral dose of the following antibiotic is curative in most patients of nonspecific urethritis due to Chlamydia trachomatis: A. Doxycycline B. Azithromycin C. Erythromycin D. Cotrimoxazole

Description : A single oral dose of the following antibiotic is curative in most patients of nonspecific urethritis due to Chlamydia trachomatis: A. Doxycycline B. Azithromycin C. Erythromycin D. Cotrimoxazole

Last Answer : B. Azithromycin

The following statement is not true of sulbactam: A. It is a broad spectrum β-lactamase inhibitor B. It does not augment the activity of ampicillin against bacteria that are sensitive to the latter C. It induces chromosomal β-lactamases D. Combined with ampicillin, it is highly effective against penicillinase producing N. gonorrhoeae

Description : The following statement is not true of sulbactam: A. It is a broad spectrum β-lactamase inhibitor B. It does not augment the activity of ampicillin against bacteria that are sensitive ... β-lactamases D. Combined with ampicillin, it is highly effective against penicillinase producing N. gonorrhoeae

Last Answer : C. It induces chromosomal β-lactamases

Select the antibiotic(s) that can be used to treat nonspecific urethritis due to Chlamydia trachomatis: A. Azithromycin B. Doxycycline C. Clindamycin D. Both 'A' and 'B' are correct

Description : Select the antibiotic(s) that can be used to treat nonspecific urethritis due to Chlamydia trachomatis: A. Azithromycin B. Doxycycline C. Clindamycin D. Both 'A' and 'B' are correct

Last Answer : D. Both 'A' and 'B' are correct

Choose the semisynthetic penicillin which has an extended spectrum of activity against many gram negative bacilli, is acid resistant but not penicillinase resistant: A. Cloxacillin B. Amoxicillin C. Phenoxymethyl penicillin D. Piperacillin

Description : Choose the semisynthetic penicillin which has an extended spectrum of activity against many gram negative bacilli, is acid resistant but not penicillinase resistant: A. Cloxacillin B. Amoxicillin C. Phenoxymethyl penicillin D. Piperacillin

Last Answer : B. Amoxicillin

Stuart's transport medium is used for transport of specimen containing A- Neisseria gonorrhoeae B- Salmonella C- Vibrio cholera D- Shigella

Description : Stuart's transport medium is used for transport of specimen containing A- Neisseria gonorrhoeae B- Salmonella C- Vibrio cholera D- Shigella

Last Answer : Neisseria gonorrhoeae

Beta – lactamase production by strains of Haemophilus influenzae, Moraxella catarrhalis, and Neissera gonorrhoeae confers resistance against penicillin G.which one of the following antibiotics is most likely to be effective against all strains of each of the above organisms? (a) Ampicillin (b) Ceftriaxone (c) Clindamycin (d) Gentamicin (e) Piperacillin

Description : Beta - lactamase production by strains of Haemophilus influenzae, Moraxella catarrhalis, and Neissera gonorrhoeae confers resistance against penicillin G.which one of the following antibiotics is most likely to be ... ? (a) Ampicillin (b) Ceftriaxone (c) Clindamycin (d) Gentamicin (e) Piperacillin

Last Answer : Ans: B

A woman has an upper respiratory infection. Six years ago, she experienced an episode of bronchospasm follwing penicillin V therapy. The cultures now reveal a strain of streptococcus pneumoniae that is sensitive to all of the following drugs. Which of these drugs would be the best choice for this patient? (a) Amoxicillin/clavulanate (b) Erythromycin (c) Ampicillin (d) cefaclor (e) Cyclacillin

Description : A woman has an upper respiratory infection. Six years ago, she experienced an episode of bronchospasm follwing penicillin V therapy. The cultures now reveal a strain of streptococcus pneumoniae that is ... ? (a) Amoxicillin/clavulanate (b) Erythromycin (c) Ampicillin (d) cefaclor (e) Cyclacillin

Last Answer : Ans: B

The drug of choice for treatment of methicillin resistant Staphylococcus aureus infection is: A. Cloxacillin B. Vancomycin C. Erythromycin D. Amikacin

Description : The drug of choice for treatment of methicillin resistant Staphylococcus aureus infection is: A. Cloxacillin B. Vancomycin C. Erythromycin D. Amikacin

Last Answer : B. Vancomycin

In the empiric treatment of severe bacterial infections of unidentified entiology, this drug, often used in combination with an aminoglycoside, provides coverage against many staphylococci (a) Amoxicillin (b) Clavulanic acid (c) Erythromycin (d) Nafcillin (e) Tetracycline

Description : In the empiric treatment of severe bacterial infections of unidentified entiology, this drug, often used in combination with an aminoglycoside, provides coverage against many staphylococci (a) Amoxicillin (b) Clavulanic acid (c) Erythromycin (d) Nafcillin (e) Tetracycline

Last Answer : Ans: D

Your 23-year-old female patient is pregnant and has gonorrhea. The past medical history includes anaphylaxis following exposure to amoxicillin. Worried about compliance, you would like to treat this patient with a singly dose, so you chose (a) Cefixime (b) Ceftriaxone (c) Ciprofloxacin (d) Spectinomycin (e) Tetracycline

Description : Your 23-year-old female patient is pregnant and has gonorrhea. The past medical history includes anaphylaxis following exposure to amoxicillin. Worried about compliance, you would like to treat this patient ... chose (a) Cefixime (b) Ceftriaxone (c) Ciprofloxacin (d) Spectinomycin (e) Tetracycline

Last Answer : Ans: D

What is true of drug therapy of typhoid fever: A. Combination of chloramphenicol with ciprofloxacin is superior to either drug alone B. Ceftriaxone (i.v.) is one of the fastest acting and most dependable treatment C. Prolonged treatment with chloramphenicol eradicates typhoid carrier state D. All of the above are correct

Description : What is true of drug therapy of typhoid fever: A. Combination of chloramphenicol with ciprofloxacin is superior to either drug alone B. Ceftriaxone (i.v.) is one of the fastest acting ... C. Prolonged treatment with chloramphenicol eradicates typhoid carrier state D. All of the above are correct

Last Answer : B. Ceftriaxone (i.v.) is one of the fastest acting and most dependable treatment

The following drug may cure typhoid fever, but does not prevent development of carrier state: A. Ciprofloxacin B. Cotrimoxazole C. Chloramphenicol D. Ceftriaxone

Description : The following drug may cure typhoid fever, but does not prevent development of carrier state: A. Ciprofloxacin B. Cotrimoxazole C. Chloramphenicol D. Ceftriaxone

Last Answer : C. Chloramphenicol

Select the drug which is used to treat antibiotic associated pseudomembranous enterocolitis and is a component of anti-H.pylori triple drug regimen: A. Amoxicillin B. Vancomycin C. Metronidazole D. Clotrimazole

Description : Select the drug which is used to treat antibiotic associated pseudomembranous enterocolitis and is a component of anti-H.pylori triple drug regimen: A. Amoxicillin B. Vancomycin C. Metronidazole D. Clotrimazole

Last Answer : C. Metronidazole

An adult male living in nonmalarious area has to visit an area where chloroquine resistant P. falciparum is prevalent. He is intolerant to mefloquine and his G6PD status is unknown. Select the drug that you will prescribe for prophylaxis of malaria: A. Primaquine B. Doxycycline C. Amodiaquine D. Quinine

Description : An adult male living in nonmalarious area has to visit an area where chloroquine resistant P. falciparum is prevalent. He is intolerant to mefloquine and his G6PD status is unknown. Select the ... you will prescribe for prophylaxis of malaria: A. Primaquine B. Doxycycline C. Amodiaquine D. Quinine

Last Answer : B. Doxycycline

Compared to older tetracyclines, doxycycline produces a lower incidence of superinfection diarrhoea because: A. It is completely absorbed in the small intestines so that drug concentration in the colonic contents is low B. It is inactivated by the gut microflora C. It is not active against the microbes of the normal gut flora D. It is a potent tetracycline and inhibits

Description : Compared to older tetracyclines, doxycycline produces a lower incidence of superinfection diarrhoea because: A. It is completely absorbed in the small intestines so that drug concentration in the colonic contents ... the microbes of the normal gut flora D. It is a potent tetracycline and inhibits

Last Answer : A. It is completely absorbed in the small intestines so that drug concentration in the colonic contents is low

A single oral dose of the following drug can cure most cases of uncomplicated gonorrhoea: A. Ciprofloxacin B. Cotrimoxazole C. Spectinomycin D. Doxycycline

Description : A single oral dose of the following drug can cure most cases of uncomplicated gonorrhoea: A. Ciprofloxacin B. Cotrimoxazole C. Spectinomycin D. Doxycycline

Last Answer : A. Ciprofloxacin

Select the drug combination which does not exhibit supraadditive synergism: A. Nalidixic acid + Nitrofurantoin B. Amoxicillin + Clavulanic acid C. Pyrimethamine + Sulfadoxine D. Sulfamethoxazole + Trimethoprim

Description : Select the drug combination which does not exhibit supraadditive synergism: A. Nalidixic acid + Nitrofurantoin B. Amoxicillin + Clavulanic acid C. Pyrimethamine + Sulfadoxine D. Sulfamethoxazole + Trimethoprim

Last Answer : A. Nalidixic acid + Nitrofurantoin

In which of the following groups do all four drugs warrant careful monitoring for drugrelated seizures in high-risk patients? (a) Penicillin G, imipenem, amphotericin B, metronidazol (b) Penicillin G, chlormphenicol, tetracycline, vancomycin (c) Imipenem, tetracycline, vancomycin, sulfadiazine (d) Cycloserine, metronidazole, vancomycin, sulfadiazine (e) Metronidazole, imipenem, doxycycline, erythromycin

Description : In which of the following groups do all four drugs warrant careful monitoring for drugrelated seizures in high-risk patients? (a) Penicillin G, imipenem, amphotericin B, metronidazol ... (d) Cycloserine, metronidazole, vancomycin, sulfadiazine (e) Metronidazole, imipenem, doxycycline, erythromycin

Last Answer : Ans: A

The distinctive features of azithromycin include the following except: A. Efficacy against organisms which have developed resistance to erythromycin B. Marked tissue distribution and intracellular penetration C. Long terminal elimination half-life D. Low propensity to drug interactions due to inhibition of cytochrome P450 enzymes

Description : The distinctive features of azithromycin include the following except: A. Efficacy against organisms which have developed resistance to erythromycin B. Marked tissue distribution and intracellular penetration ... D. Low propensity to drug interactions due to inhibition of cytochrome P450 enzymes

Last Answer : A. Efficacy against organisms which have developed resistance to erythromycin

The following antibiotic is a first line drug for treatment of Mycobacterium avium complex infection in AIDS patients: A. Clindamycin B. Clarithromycin C. Roxithromycin D. Erythromycin

Description : The following antibiotic is a first line drug for treatment of Mycobacterium avium complex infection in AIDS patients: A. Clindamycin B. Clarithromycin C. Roxithromycin D. Erythromycin

Last Answer : B. Clarithromycin

Select the antibiotic which inhibits drug metabolizing isoenzyme CYP3A4 resulting in potentially fatal drug interaction with terfenadine: A. Erythromycin B. Clindamycin C. Gentamicin D. Vancomycin

Description : Select the antibiotic which inhibits drug metabolizing isoenzyme CYP3A4 resulting in potentially fatal drug interaction with terfenadine: A. Erythromycin B. Clindamycin C. Gentamicin D. Vancomycin

Last Answer : A. Erythromycin

The following prokinetic drug has been implicated in causing serious ventricular arrhythmias, particularly in patients concurrently receiving erythromycin or ketoconazole: A. Domperidone B. Cisapride C. Mosapride D. Metoclopramide

Description : The following prokinetic drug has been implicated in causing serious ventricular arrhythmias, particularly in patients concurrently receiving erythromycin or ketoconazole: A. Domperidone B. Cisapride C. Mosapride D. Metoclopramide

Last Answer : B. Cisapride

Sulbactam differs from clavulanic acid in that: A. It is not a progressive inhibitor of β-lactamase B. It does not inhibit β-lactamase produced by gram negative bacilli C. It is quantitatively more potent D. It per se inhibits N.gonorrhoeae

Description : Sulbactam differs from clavulanic acid in that: A. It is not a progressive inhibitor of β-lactamase B. It does not inhibit β-lactamase produced by gram negative bacilli C. It is quantitatively more potent D. It per se inhibits N.gonorrhoeae

Last Answer : D. It per se inhibits N.gonorrhoeae

Ceftriaxone has all the following attributes except: A. It has a long plasma half life of 8 hours B. It can cause bleeding by prolonging prothrombin time C. It has attained high cure rates in multiresistant typhoid infection D. It penetrates CSF poorly and therefore not effective in meningitis

Description : Ceftriaxone has all the following attributes except: A. It has a long plasma half life of 8 hours B. It can cause bleeding by prolonging prothrombin time C. It has attained high cure rates in multiresistant typhoid infection D. It penetrates CSF poorly and therefore not effective in meningitis

Last Answer : D. It penetrates CSF poorly and therefore not effective in meningitis

Which of the following is a second generation cephalosporin that is highly resistant to gram negative β-lactamases, and cures penicillinase positive as well as negative gonococcal infection by a single intramuscular dose: A. Cephalexin B. Cefuroxime C. Cefoperazone D. Ceftazidime

Description : Which of the following is a second generation cephalosporin that is highly resistant to gram negative β-lactamases, and cures penicillinase positive as well as negative gonococcal infection by a single intramuscular dose: A. Cephalexin B. Cefuroxime C. Cefoperazone D. Ceftazidime

Last Answer : B. Cefuroxime

Semisynthetic penicillins developed so far have overcome the following drawbacks of benzylpenicillin except: A. Lack of efficacy against gram negative bacilli B. Susceptibility to bacterial penicillinase C. Inactivation by gastric acid D. Potential to cause hypersensitivity reactions

Description : Semisynthetic penicillins developed so far have overcome the following drawbacks of benzylpenicillin except: A. Lack of efficacy against gram negative bacilli B. Susceptibility to bacterial penicillinase C. Inactivation by gastric acid D. Potential to cause hypersensitivity reactions

Last Answer : D. Potential to cause hypersensitivity reactions

Gram negative organisms are largely insensitive to benzyl penicillin because: A. They produce large quantities of penicillinase B. They do not utilise D-alanine whose incorporation in the cell wall is inhibited by benzylpenicillin C. Benzyl penicillin is not able to penetrate deeper into the lipoprotein-peptidoglycan multilayer cell wall of gram negative bacteria D. Both ‘A’ and ‘B’ are correct

Description : Gram negative organisms are largely insensitive to benzyl penicillin because: A. They produce large quantities of penicillinase B. They do not utilise D-alanine whose incorporation in the cell wall is inhibited ... multilayer cell wall of gram negative bacteria D. Both A' and B' are correct

Last Answer : . Benzyl penicillin is not able to penetrate deeper into the lipoprotein-peptidoglycan multilayer cell wall of gram negative bacteria

The drug of choice for treatment of methicillin resistant Staphylococcus aureus infection is (a) Cloxacillin (b) Vancomycin (c) Erythromycin (d) Amikacin

Description : The drug of choice for treatment of methicillin resistant Staphylococcus aureus infection is (a) Cloxacillin (b) Vancomycin (c) Erythromycin (d) Amikacin

Last Answer : Ans: B

The regimens recommended for treatment of chloroquine resistant P.falciparum malaria in an adult include the following except: A. Quinine 10 mg/kg/8 hourly+ doxycycline 100 mg/day for 7 days B. Quinine 10 mg/kg 3 times a day × 7 days with pyrimethamine 75 mg + sulfadoxine 1500 mg on first day C. Mefloquine 0.5 g daily for 7 days D. Artemether 80 mg i.m./twice on first day followed by once daily for 4 days

Description : The regimens recommended for treatment of chloroquine resistant P.falciparum malaria in an adult include the following except: A. Quinine 10 mg/kg/8 hourly+ doxycycline 100 mg/day for 7 days B. Quinine 10 mg/kg ... 7 days D. Artemether 80 mg i.m./twice on first day followed by once daily for 4 days

Last Answer : C. Mefloquine 0.5 g daily for 7 days

The tetracycline with highest antileprotic activity is: A. Minocycline B. Doxycycline C. Demeclocycline D. Oxytetracycline

Description : The tetracycline with highest antileprotic activity is: A. Minocycline B. Doxycycline C. Demeclocycline D. Oxytetracycline

Last Answer : A. Minocycline

he most suitable tetracycline for use in a patient with impaired renal function is: A. Tetracycline B. Demeclocycline C. Oxytetracycline D. Doxycycline

Description : he most suitable tetracycline for use in a patient with impaired renal function is: A. Tetracycline B. Demeclocycline C. Oxytetracycline D. Doxycycline

Last Answer : D. Doxycycline

The following tetracycline has the potential to cause vestibular toxicity: A. Minocycline B. Demeclocycline C. Doxycycline D. Tetracycline

Description : The following tetracycline has the potential to cause vestibular toxicity: A. Minocycline B. Demeclocycline C. Doxycycline D. Tetracycline

Last Answer : D. Tetracycline

Select the most potent tetracycline antibiotic: A. Demeclocycline B. Oxytetracycline C. Minocycline D. Doxycycline

Description : Select the most potent tetracycline antibiotic: A. Demeclocycline B. Oxytetracycline C. Minocycline D. Doxycycline

Last Answer : C. Minocycline

Clavulanic acid is combined with amoxicillin because: A. It kills bacteria that are not killed by amoxicillin B. It retards renal excretion of amoxicillin C. It counteracts the adverse effects of amoxicillin D. It inhibits beta lactamases that destroy amoxicillin

Description : Clavulanic acid is combined with amoxicillin because: A. It kills bacteria that are not killed by amoxicillin B. It retards renal excretion of amoxicillin C. It counteracts the adverse effects of amoxicillin D. It inhibits beta lactamases that destroy amoxicillin

Last Answer : D. It inhibits beta lactamases that destroy amoxicillin

Amoxicillin is inferior to ampicillin for the treatment of the following infection: A. Typhoid B. Shigella enteritis C. Subacute bacterial endocarditis D. Gonorrhoea

Description : Amoxicillin is inferior to ampicillin for the treatment of the following infection: A. Typhoid B. Shigella enteritis C. Subacute bacterial endocarditis D. Gonorrhoea

Last Answer : B. Shigella enteritis

Select the antibiotic that has a high therapeutic index: A. Streptomycin B. Doxycycline C. Cephalexin D. Vancomycin

Description : Select the antibiotic that has a high therapeutic index: A. Streptomycin B. Doxycycline C. Cephalexin D. Vancomycin

Last Answer : C. Cephalexin

The following cytotoxic drug acts by inhibiting depolymerization of tubulin and thus producing abnormal arrays of microtubules: A. Paclitaxel B. Vinblastine C. Etoposide D. Mitoxantrone (p. 774) 60.9 C 60.10 B 60.11 D 60.12 A Ai

Description : The following cytotoxic drug acts by inhibiting depolymerization of tubulin and thus producing abnormal arrays of microtubules: A. Paclitaxel B. Vinblastine C. Etoposide D. Mitoxantrone (p. 774) 60.9 C 60.10 B 60.11 D 60.12 A Ai

Last Answer : A. Paclitaxel

Select the drug which is active against a variety of diarrhoea producing organisms like Giardia, Shigella, Salmonella as well as S. typhi and Trichomonas vaginalis, but is not a first line treatment for any of these: A. Metronidazole B. Mepacrine C. Cotrimoxazole D. Furazolidone

Description : Select the drug which is active against a variety of diarrhoea producing organisms like Giardia, Shigella, Salmonella as well as S. typhi and Trichomonas vaginalis, but is not a first line treatment for any of these: A. Metronidazole B. Mepacrine C. Cotrimoxazole D. Furazolidone

Last Answer : D. Furazolidone

An immunologically mediated reaction to a drug producing stereotyped symptoms unrelated to its pharmacodynamic actions is: A. Hypersensitivity B. Supersensitivity C. Intolerance D. Idiosyncrasy

Description : An immunologically mediated reaction to a drug producing stereotyped symptoms unrelated to its pharmacodynamic actions is: A. Hypersensitivity B. Supersensitivity C. Intolerance D. Idiosyncrasy

Last Answer : A. Hypersensitivity

Select the macrolide antibiotic having clinically useful antileprotic activity: A. Azithromycin B. Clarithromycin C. Erythromycin D. Roxithromycin

Description : Select the macrolide antibiotic having clinically useful antileprotic activity: A. Azithromycin B. Clarithromycin C. Erythromycin D. Roxithromycin

Last Answer : B. Clarithromycin

Roxithromycin has the following advantage(s) over erythromycin: A. It is more effective in whooping cough B. It causes less gastric irritation C. It has longer plasma half-life D. Both 'B' and 'C' are correct

Description : Roxithromycin has the following advantage(s) over erythromycin: A. It is more effective in whooping cough B. It causes less gastric irritation C. It has longer plasma half-life D. Both 'B' and 'C' are correct

Last Answer : D. Both 'B' and 'C' are correct

Select the macrolide antibiotic that can be given once daily for 3 days for empirical treatment of ear-nosethroat, respiratory and genital infections: A. Erythromycin B. Azithromycin C. Roxithromycin D. Clarithromycin

Description : Select the macrolide antibiotic that can be given once daily for 3 days for empirical treatment of ear-nosethroat, respiratory and genital infections: A. Erythromycin B. Azithromycin C. Roxithromycin D. Clarithromycin

Last Answer : B. Azithromycin

The following is true of clarithromycin except: A. It produces less gastric irritation and pain than erythromycin B. It is the most active macrolide antibiotic against Helicobacter pylori C. It does not interact with terfenadine or cisapride to cause cardiac arrhythmias D. It exhibits dose dependent elimination kinetics

Description : The following is true of clarithromycin except: A. It produces less gastric irritation and pain than erythromycin B. It is the most active macrolide antibiotic against Helicobacter pylori ... terfenadine or cisapride to cause cardiac arrhythmias D. It exhibits dose dependent elimination kinetics

Last Answer : C. It does not interact with terfenadine or cisapride to cause cardiac arrhythmias

Compared to erythromycin, azithromycin has: A. Extended antimicrobial spectrum B. Better gastric tolerance C. Longer duration of action D. All of the above

Description : Compared to erythromycin, azithromycin has: A. Extended antimicrobial spectrum B. Better gastric tolerance C. Longer duration of action D. All of the above

Last Answer : D. All of the above

A patient of bronchial asthma maintained on theophylline developed upper respiratory tract infection. Which antimicrobial if used can increase the risk of developing theophylline toxicity: A. Ampicillin B. Cephalexin C. Cotrimoxazole D. Erythromycin

Description : A patient of bronchial asthma maintained on theophylline developed upper respiratory tract infection. Which antimicrobial if used can increase the risk of developing theophylline toxicity: A. Ampicillin B. Cephalexin C. Cotrimoxazole D. Erythromycin

Last Answer : D. Erythromycin

Bacteria become erythromycin resistant by the following mechanisms except: A. Becoming less permeable to erythromycin B. Elaborating an erythromycin esterase enzyme C. Elaborating a ‘protection protein’ which blocks the erythromycin binding site D. Altering the ribosomal binding site through a methylase enzyme

Description : Bacteria become erythromycin resistant by the following mechanisms except: A. Becoming less permeable to erythromycin B. Elaborating an erythromycin esterase enzyme C. Elaborating a protection ... the erythromycin binding site D. Altering the ribosomal binding site through a methylase enzyme

Last Answer : C. Elaborating a ‘protection protein’ which blocks the erythromycin binding site

Select the antibiotic which inhibits bacterial protein synthesis by interfering with translocation of elongating peptide chain from acceptor site back to the peptidyl site of the ribosome so that ribosome does not move along the mRNA and the peptide chain is prematurely terminated: A. Chloramphenicol B. Erythromycin C. Tetracycline D. Streptomycin

Description : Select the antibiotic which inhibits bacterial protein synthesis by interfering with translocation of elongating peptide chain from acceptor site back to the peptidyl site of the ribosome so that ... chain is prematurely terminated: A. Chloramphenicol B. Erythromycin C. Tetracycline D. Streptomycin

Last Answer : B. Erythromycin