Description : The following organism is notorious for developing antimicrobial resistance rapidly: A. Streptococcus pyogenes B. Meningococcus C. Treponema palli
Last Answer : D. Escherichia coli
Description : The most common cause of an invasive wound infection, such as a burn, is a. gram-positive bacterial species. b. treponema pallidum. c. Pseudomonas aeruginosa. d. Escherichia coli.
Last Answer : c. Pseudomonas aeruginosa.
Description : Chloramphenicol is more active than tetracyclines against (a) Bateroides fragilis (b) Treponema pallidum (c) Streptococci (d) Staphylococci
Last Answer : Ans: A
Description : A man has an Escherichia coli bacteremia with a low-grade fever (101.6°F). Appropriate management of his fever would be (a) Give acetaminophen 650 mg orally every 4 hours (b) Give aspirin 650 ... fever curve to monitor his response to antibiotic therapy (e) Use tepid water baths to reduce the fever
Last Answer : Ans: D
Description : Choose the correct statement about the role of opioid antimotility drugs in the management of diarrhoeas (a) They are used to control diarrhoea irrespective of its etiology (b) They should be ... therapy of diarrhoea (d) They are the drugs of choice in irritable bowel syndrome diarrhoea
Last Answer : Ans: B
Description : Amoebic dysentery is caused by (1) Entamoeba histolytica (2) Salmonella typhi (3) E. coli (4) Streptococcus pyogenes
Last Answer : Entamoeba histolytica
Description : Organisms that normally inhabit the body a. include Treponema pallidum. b. cause endogenous diseases. c. may be detected by Donovan bodies. d. resist the effects of antibiotics.
Last Answer : b. cause endogenous diseases.
Description : Chloramphenicol is particularly effective in the treatment of (a) Diphtheria (b) Tuberculosis (c) Emphysema (d) Rickettsial diseases (e) Streptomyces pyogenes infections
Description : Semi-conservative replication of DNA was first demonstrated in (a) Escherichia coli (b) Streptococcus pneumoniae (c) Salmonella typhimurium (d) Drosophila melanogaster.
Last Answer : (c) Salmonella typhimurium
Description : Polluted water usually contains coliform bacteria like _____. a. Streptococcus b. Proteus c. Escherichia coli d. Pseudomonas
Last Answer : c. Escherichia coli
Description : Which type of antimicrobial drug combination is most likely to exhibit antagonism ? (a) Bactericidal + Bactericidal (b) Bactericidal + Bacteriostatic for a highly sensitive organism (c) Bactericidal + Bacteriostatic for a marginally sensitive organism (d) Bacteriostatic + Bacteriostatic
Description : Which antimicrobial should be avoided in patients of liver disease ? (a) Chlortetracycline (b) Cotrimoxazole (c) Cephalexin (d) Ethambutol
Description : The persistent suppression of bacterial growth that may occur following limited exposure to some antimicrobial drugs is called (a) Time-dependent killing (b) The post antibiotic effect (c) Clinical synergy (d) Concentration – dependent killing (e) Sequential blockade
Description : Which one of the following antimicrobial drugs does not require supplementation of dosage following hemodialysis? (a) Ampicillin (b) Cefazolin (c) Ganciclovir (d) Tobramycin (e) Vancomycin
Last Answer : Ans: E
Description : Clarithromycin and erythromycin have very similar spectrums of antimicrobial activity. The major advantage of clarithromytcin is that it (a) Eradicates mycoplasmal infections in a single dose (b ... not inhibit live drug-metabolizing enzymes (e) Acts on methicillin-resistant strains of staphylococci
Last Answer : Ans: C
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
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
Description : Which one of the following organisms was NOT a model organism related the birth of molecular genetics? a. Streptococcus b. Penicillium c. Escherichia d. neurospora
Last Answer : c. Escherichia
Description : Which one of the following does correctly match a sexually transmitted disease with its pathogen? (a) Syphilis-Treponema pallidum (b) Gonorrhoea-Entamoeba histolytica (c) Urethritis-Bacillus anthracis (d) Softsore-Bacillus brevis
Last Answer : a) Syphilis-Treponema pallidum
Description : Which is showing accurate pairing? (a) Syphilis - Treponema pallidum (b) AIDS - Bacillus conjugalis (c) Gonorrhoea - Leishmania donovani (d) Typhoid - Mycobacterium leprae
Last Answer : (a) Syphilis - Treponema pallidum
Description : Match the disease in column I with the appropriate items (pathogen / prevention / treatment) in column II. Column I Column II A. Amoebiasis (i) Treponema pallidum B. Diphtheria (ii) Use only sterilised food and water C. Cholera (iii)DPT ... D - (iv) (d) A - (ii), B - (iv), C - (i), D - (iii)
Last Answer : (b) A – (ii), B – (iii), C – (iv), D – (i)
Description : Chloramphenicol is more active than tetracyclines against: A. Bateroides fragilis B. Treponema pallidum C. Streptococci D. Staphylococci
Last Answer : a
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
Description : The primary mechanism underlying the resistance of gram-positive organisms to macrolide antibiotics is (a) Methylation of binding sites on the 50S ribosomal subunit (b) Formation of ... ) Formation of drug-inactivating acetyltranferases (e) Decreased drug permeability of the cytoplasmic membrane
Description : Which one of the following organisms is not an eukaryote? (a) Paramecium caudatum (b) Escherichia coli (c) Euglena viridis (d) Amoeba proteus
Last Answer : (b) Escherichia coli
Description : : All the following are among the opportunistic organisms that may cause nosocomial disease except: a. Pseudomonas aeruginosa. b. Escherichia coli. c. Staphylococcus aureus. d. Mycobacterium leprae.
Last Answer : d. Mycobacterium leprae.
Description : What bacterial species is most often associated with cystitis? a. Treponemo pallidum b. Escherichia coIi c. Chlamydia trachomatis d. Pseudomonas aeruginosa
Last Answer : b. Escherichia coIi
Description : Amoebic dysentery is caused by - (1) Entameeba histolytica (2) Salmonella typhi (3) E. coil (4) Streptococcus pyogenes
Last Answer : (1) Entameeba histolytica Explanation: Amoebic dysentery (or amebic dysentery) is a type of dysentery caused primarily by the amoeba Entamoeba histolytica. Amoebic dysentery is transmitted through ... survive long outside of the human gastrointestinal tract, and are a purely diagnostic observation.
Description : Which of the following can be a cause of food poisoning? a. Streptococcus Pyogenes b. Staphylococcus Aureus. c. Pseudomonas Fluorescens d. Streptococcus Epidermidis
Last Answer : b. Staphylococcus Aureus.
Last Answer : b. Staphylococcus Aureus
Description : Streptococcus pyogenes is highly contagious by _____. a. Unwashed hands b. Oral/fecal route c. Respiratory droplets d. Remaining on surfaces for long periods of time
Last Answer : c. Respiratory droplets
Description : Which of the following is staphylococcal infection: A. Scarlet fever (Streptococcus pyogenes)Bright red tongue with a "strawberry" appearance Forchheimer spots (fleeting small, red spots on ... inflammation, caused by viral infection, idiopathic, Mycobacterium t C. Pancreatitis no D. Carbuncle
Last Answer : D. Carbuncle
Description : 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 ... lipoprotein-peptidoglycan multiplayer cell wall of gram-negative bacteria (d) Both (a) and (b)
Description : Spectinomycin is an aminoglycoside-like antibiotic indicated for the treatment of (a) Gram-negative bacillary septicemia (b) Tuberculosis (c) Penicillin-resistant gonococcal infections (d) Syphilis (e) Gram-negative meningitis due to susceptible organisms
Description : A high school student presents with headache, fever, and cough of 2 day's duration. Sputum is scant and nonpurulent and a Gram stain reveals many white cells but no organisms. Since this ... initiate treatment with (a) Cefazolin (b) Clindamycin (c) Erythromycin (d) Gentamicin (e) Trovafloxacin
Description : The following is true of anti-H.pylori therapy except: A. It is indicated in all patients of peptic ulcer B. Resistance to any single antimicrobial drug develops rapidly C. Concurrent ... efficacy of the regimen D. Colloidal bismuth directly inhibits H.pylori but has poor patient acceptability
Last Answer : A. It is indicated in all patients of peptic ulcer
Description : Can anyone help me understand antibiotic resistance?
Last Answer : Sorry there are a few grammar issues in the above but I can’t edit it anymore.
Description : Does misusing Polysporin create antibiotic resistance?
Last Answer : Define “misusing”.
Description : The aminoglycoside antibiotic which is distinguished by its resistance to bacterial aminoglycoside inactivating enzymes is (a) Kanamycin (b) Sisomicin (c) Amikacin (d) Tobramycin
Description : The most important mechanism of bacterial resistance to an aminoglycoside antibiotic is (a) Plasmid mediated acquisition of aminoglycoside conjugating enzyme (b) Mutational acquisition of aminoglycoside ... affinity of ribosomal protein for the antibiotic (d) Mutational loss of porin channels
Description : What is the most important reason for restricted clinical use of chloramphenicol ? (a) Its narrow spectrum of activity (b) Emergence of chloramphenicol resistance (c) Its potential to cause bone marrow depression (d) Its potential to cause superinfections
Description : The most important mechanism by which gram negative bacilli acquire chloramphenicol resistance is (a) Decreased permeability into the bacterial cell (b) Acquisition of a plasmid encoded ... bacterial ribosome for chloramphenicol (d) Switching over from ribosomal to mitochondrial protein synthesis
Description : Important microbiological features of ciprofloxacin include the following except (a) Long postantibiotic effect (b) Marked suppression of intestinal anaerobes (c) MBC values close to MIC values (d) Slow development of resistance
Description : What is break point concentration of an antibiotic ? (a) Concentration at which the antibiotic lyses the bacteria (b) Concentration of the antibiotic which demarks between sensitive ... which overcomes bacterial resistance (d) Concentration at which a bacteriostatic antibiotic becomes bactericidal
Description : Of the following which is the most important mechanism of concurrent acquisition of multidrug resistance among bacteria ? (a) Mutation (b) Conjugation (c) Transduction (d) Transformation
Description : In a patient with culture-positive enterococcal endocarditis who has failed to respond to vancomycin because of resistance, the treatment most likely to be effective is (a) Clarithromycin (b) Erythromycin (c) Linezolid (d) Minocycline (e) Ticarcillin
Description : This drug has activity against many strains of Pseudomomas aeruginosa. However, when it is used alone, resistance has emerged during the course of treatment. The drug should not be used in ... with tazobactam (a) Amoxicillin (b) Aztreonam (c) Imipenem (d) Piperacillin (e) Vancomycin
Description : Assertion : Escherichia coli, Shigella sp. And salmonella sp. Are all responsible for diarrhoeal diseases. Reason : Dehydration is common to all types
Last Answer : Assertion : Escherichia coli, Shigella sp. And salmonella sp. Are all responsible for diarrhoeal ... If both the assertion and reason are false
Description : What is the disease caused by Escherichia coli 0157 ?
Last Answer : H7? Haemorrhagic colitis