Description : Which is of the following organism is an Gram-ve organism A Staphylococcus aureus B Bacillus Subtilis C Vibrio cholerae D Clostridium tetani
Last Answer : C Vibrio cholerae
Description : Cases of cholera are caused by _____ cholerae. a. Vibrio b. Clostridium c. Salmonella d. Shigella
Last Answer : a. Vibrio
Description : Two microbes found to be very useful in genetic engineering are (a) crown gall bacterium and Caenorhabditis elegans (b) Escherichia coli and Agrobacterium tumefaciens (c) Vibrio cholerae and a tailed bacteriophage (d) Diplococcus sp. and Pseudomonas sp
Last Answer : (b) Escherichia coli and Agrobacterium tumefaciens
Description : To select cholera-causing bacterium, Vibrio cholerae, the pH of the medium is maintained at apH of A- 8.5 B-8.90 C-6.79 D- 3.5
Last Answer : 8.5
Description : This gram-positive rod can cause meningoencephalitis, septicemia, and newborn meningitis. a. Bacillus cereus b. Listeria monocyto genes c. Clostridium peringens d. Escherichia coli
Last Answer : b. Listeria monocyto genes
Description : Gas gangrene is caused by _____. a. Clostridium tetani b. Clostridium botulinum c. Clostridium perfringens d. Clostridium gangrenum
Last Answer : c. Clostridium perfringens
Description : Clostridium tetani grows in a/an _____ environment. a. Acidic b. Anaerobic c. High Oxygen d. Aerobic
Last Answer : b. Borrelia
Description : Which of the following has Chinese letter arrangement? A- Bacillus anthracis B- Mycobacterium tuberculosis C- Clostridium tetani D- Corynebacterium diphtheria
Last Answer : Corynebacterium diphtheria
Description : An example of an anaerobe that causes disease in humans is _____. Clostridium a. E.coli b. Salmonella c. Pseudomonas
Last Answer : a. E.coli
Description : Which one of the following bacterial species is NOT a cause of food poisoning (noninflammatory gastroenteritis)? a. Escherichia coli b. Bacillus cereus c. Staphylococcus aureus d. Clostridium perfringens
Last Answer : a. Escherichia coli
Description : The bacteria which is predominant flora of the human gut is A- Escherichia coli B- Clostridium perfringens C- Bacteroides D- Actinomyces
Last Answer : Clostridium perfringens
Description : What is the disease caused by Vibrio cholerae 0139 ?
Last Answer : New strain of epidemic cholerae
Description : The following are true about G proteins: a. they are first messengers b. when activated, the alpha subunit exchange GDP for GTP c. they are transmembrane signal receptor molecules d. vibrio cholerae secrets an exotoxin which makes G-proteins resistant to inactivation
Last Answer : when activated, the alpha subunit exchange GDP for GTP
Description : Which one of the following is NOT a genus within the gram-positive bacteria? a. Staphylococcus b. Methanogens c. Mycoplasma d. Bacillus and Clostridium
Last Answer : b. Methanogens
Description : Which of the following has drum stick appearance Options: 1) Clostridium tetani 2) Pneumococcus 3) Streptococcus pneumoniae 4) Staphylococcus epidermis
Last Answer : Correct Answer: 1) Clostridium tetani
Description : A medium containing crystal violet dye plus sodium deoxycholate will allow A- gram (-)ve intestinal bacteria to grow B- gram (+)ve intestinal bacteria to grow C- .aquatic bacteria to grow D- none of these
Last Answer : gram (-)ve intestinal bacteria to grow
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 : Escherichia coli is a common gram that can be a cause of a. positive rod; hemorrhagic colitis b. negative rod; traveler‘s diarrhea c. positive coccus; typhoid fever d. negative rod; cholera
Last Answer : b. negative rod; traveler‘s diarrhea
Description : Which organism is found in the acidic vagina of women of reproductive age? a. Candida albicans b. Lactobacillus c. Escherichia coli. d. Staphylococcus epidermidis
Last Answer : b. Lactobacillus
Description : Skin ulcers are a common lesion resulting from being bitten by a. A Tick Infected With B. Burgdorferi. b. Fleas Infected With Y. Pestis. c. A Tick Infected With F. Tularensis. d. Lice Infected With C. Tetani.
Last Answer : c. A Tick Infected With F. Tularensis.
Description : A 67-year-old male presents with an intraabdominal abscess secondary to perforated sigmoid diverticulitis. The following statement(s) is/are true concerning his intraabdominal abscess. a. Culture will ... gram-negative enteric bacilli d. The most common anaerobic islet will be a Bacteroides species
Last Answer : Answer: b, c, d Typically an intraabdominal infection results in perforation of a hollow viscus and the ensuing contamination of a normally sterile peritoneal cavity. The normal ... Bacteroides species (especially B. fragilis, Clostridium), and anaerobic cocci are most consistently isolated
Description : This species is the most virulent of the vibrios. a. V vulnficus b. V. cholerae c. V enterocolitica d. V. parahaemolyticus
Last Answer : a. V vulnficus
Description : Selective media facilitate growth of only one kind of organism.Saboraud medium is used to selectively isolate A- coliform bacteria B- gram positive bacteria C- .yeasts D- acid fast organisms
Last Answer : .yeasts
Description : Causative agent for necrotic enteritis is C A. E. coli B. Streptococcus spp. C. Clostridium perfringens D. None of the these
Last Answer : . Clostridium perfringens
Description : An emerging pathogen associated with contaminated water is _____. a. typhoid fever b. cholera c. shigellosis d. Vibrio vulnificus
Last Answer : d. Vibrio vulnificus
Description : Traveler's diarrhea is most often caused by a species of _____. a. Salmonella b. Vibrio c. Escherichia d. Listeria
Last Answer : c. Escherichia
Description : The ability of Vibrio fischerito produce bioluminescence chemicals only when a certain population density has been reached is an example of A.Liebig's law of the minimum B.Shelford's law of tolerance C.quorum sensing D.Heisenberg's principle of uncertainty
Last Answer : C.quorum sensing
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
Description : Which of the following bacteria can grow in alkaline pH? A- Shigella B- .Lactobacilli C- Salmonella D- Vibrio cholera
Last Answer : Vibrio cholera
Description : Which of the following bacteria can grow in acidic pH? A-Vibrio cholera B- Lactobacilli C- Shigella D-Salmonella
Last Answer : Lactobacilli
Description : Spherical bacterial cells in chains would be a referred to as a _______ arrangement. a. Vibrio b. Streptococcus c. Staphylococcus d. Tetrad
Last Answer : b. Streptococcus
Description : Epidemic, endemic, and scrub typhus are caused by a different species a. Yersinia b. Borrelia c. Rickettsia d. Clostridium
Last Answer : c. Rickettsia
Description : Which one of the following genera is not associated with a foodborne intoxication? a. Clostridium b. Salmonella c. Staphylococcus d. All three (A-C) are associated with a foodborne intoxication.
Last Answer : b. Salmonella
Description : Clostridium difficile is a. the cause of pseudomembranous colitis. b. traveler‘s diarrhea. c. meningoencephalitis. d. undulant fever.
Last Answer : a. the cause of pseudomembranous colitis.
Description : Which of the following species of Clostridium is predominantly sacchrolytic? A.C septicum B.C perfringens C.C novyi D.All of these
Last Answer : D.All of these
Description : Which of the following species of Clostridium is responsible for formation of dark green to A- Clostridium tyrobutyricum B- Clostridium sporogenes C- Clostridium herbarum D- None of these
Last Answer : Clostridium herbarum
Description : A level of regulation, demonstrated by the termination of transcription if tryptophan is abundant, by the tryptophan operon in E.coli cells is called A.activation B.attenuation C.corepression D.desiccation
Last Answer : B.attenuation
Description : Which phage always carries a small piece of E.coli genome? A.Lambda B.Mu C.T4 D.T3
Last Answer : B.Mu
Description : n the time since E. coli and Salmonella diverged evolutionarily A.there has been little change in either genome B.E. coli has acquired many genes via horizontal transfer C.E, coli has lost approximately 50% of its genome D.none of these
Last Answer : C.E, coli has lost approximately 50% of its genome
Description : In the time since E. coli and Salmonella diverged evolutionarily A.there has been little change in either genome B.E. coli has acquired many genes via horizontal transfer C.E, coli has lost approximately 50% of its genome D.none of these
Description : The time temperature combination for HTST paterurization of 71.1°C for 15 sec is selected on the basis of A.CoxiellaBurnetii B.E. coli C.B. subtilis D.C. botulinum
Last Answer : A.CoxiellaBurnetii
Last Answer : .CoxiellaBurnetii
Description : Traveller's diarrhea is caused by A- enteropathogenicEscherichia coli (EPEC) B- entero invasive E. coli (EIEC) C- entero toxigenic E. coli (ETEC) D- enterohaemorrhagicE. coli (EHEC)
Last Answer : entero toxigenic E. coli (ETEC)