Description : Which of the following gram-negative bacteria is/are not aerobic? A.Pseudomonas B.Neisseria C.Escherichia D.None of these
Last Answer : C.Escherichia
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 : Polluted water usually contains coliform bacteria like _____. a. Streptococcus b. Proteus c. Escherichia coli d. Pseudomonas
Last Answer : c. Escherichia coli
Description : Cefotaxime has the following properties except (a) It is highly active against aerobic gram negative bacteria (b) It is the most active cephalosporin against Pseudomonas aeruginosa (c) It produces an active metabolite (d) It has achieved high cure rates in serious hospital acquired infections
Last Answer : Ans: B
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 : Gram-positive bacteria, responsible for food poisoning, is/are A.Mycoplasmas B.Pseudomonas C.Clostridia D.all of these
Last Answer : C.Clostridia
Description : Gram-positive bacteria, responsible for food poisoning, is/ar A.Mycoplasmas B.Pseudomonas C.Clostridia D.all of these
Last Answer : .Clostridia
Description : Cefotaxime has the following properties except: A. It is highly active against aerobic gram negative bacteria B. It is the most active cephalosporin against Pseudomonas aeruginosa C. It produces an active metabolite D. It has achieved high cure rates in serious hospital acquired infections
Last Answer : B. It is the most active cephalosporin against Pseudomonas aeruginosa
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 : Tetracyclines are active against the following gram negative bacteria: A. Salmonella typhi B. Pseudomonas aeruginosa C. Yersinia pestis D. All of the above
Last Answer : C. Yersinia pestis
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 : 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 : The drug isoniazid is used widely in contemporary medicine to a. Treat tuberculosis. b. Prevent fungal overgrowth in the intestine. c. Clear away wound infections. d. Eliminate infections due to gram-negative bacteria.
Last Answer : a. Treat tuberculosis.
Description : Conjugation pili are found only on some ______ bacteria, though it may occur between cells of various bacteria. a. Gram-positive b. Gram-negative c. Acid-fast d. Capsule containing
Last Answer : b. Gram-negative
Description : The cell wall of A.gram-positive bacteria are thicker than gram-negative bacteria B.gram-negative bacteria are thicker than gram-positive bacteria C.both have same thickness but composition is different D.none of these
Last Answer : A.gram-positive bacteria are thicker than gram-negative bacteria
Description : Which of the following is true about cell wall of gram-positive bacteria? A- It consists of multiple layers B- It is thicker than that associated with gram-negative bacteria C- It contains teichoic acids D- D.All of these
Last Answer : D.All of these
Description : Porins are located in A- the outer membrane of gram-negative bacteria B- he peptidoglycan layer of gram-positive bacteria C- the cytoplasmic membrane of both gram-negative and gram-positive bacteria D- the periplasmic space of gram-negative bacteria
Last Answer : the outer membrane of gram-negative bacteria
Description : Teichoic acids are typically found in A- cell walls of gram positive bacteria B- outer membranes of gram positive bacteria C- cell walls of gram negative bacteria D- outer membranes of gram negative bacteria
Last Answer : cell walls of gram positive bacteria
Description : The cell wall of A- gram-positive bacteria are thicker than gram-negative bacteria B- gram-negative bacteria are thicker than gram-positive bacteria C- both have same thickness but composition is different D- none of these
Last Answer : gram-positive bacteria are thicker than gram-negative bacteria
Description : Which of the following is true about cell wall of gram-positive bacteria? A-It consists of multiple layers B- It is thicker than that associated with gram-negative bacteria C- It contains teichoic acids D- All of these
Last Answer : All of these
Description : Which of the following may contain fimbriae? A- Gram-positive bacteria B- .Gram-negative bacteria C- Both (a) and (b) D- None of these
Last Answer : C. A and b
Description : Gram-negative bacteria would stain_________ with the Gram stain and have _______in the wall. a. orange-red; Teichoic acid b. orange-red; lipopolysaccharide c. purple; peptidoglycan d. purple; Teichoic acid
Last Answer : c. purple; peptidoglycan
Description : Which of the following bacteria dies quickly after drying? A- .Treponema palladium B- Mycobacterium tuberculosis C- Staphylococcus aureus D- Pseudomonas aeruginosa
Last Answer : .Treponema palladium
Description : Which of the following normal microbiota cause disease in immunocompromised patients? a. Neisseria b. Streptococcus c. Corynebacterium d. Proprionibacterium
Last Answer : b. Streptococcus
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 : 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 : The following statement(s) is/are true concerning gram-negative bacterial sepsis. a. Mortality due to this condition has almost been eliminated due to therapeutic intervention with antibiotics, aggressive ... sepsis is generally considered a more serious problem than sepsis due to a single organism
Last Answer : Answer: c, e Gram-negative bacterial sepsis is a serious disease process that produces substantial morbidity and mortality in both normal and immunocompromised patients (10% to 20% and ... and most investigators agree that polymicrobial sepsis is more lethal than infection with a single organism
Description : _____ bacteria live as individuals and do not live in biofilms. a. Planktonic b. Anaerobic c. Aerobic d. Facultative anaerobic
Last Answer : a. Planktonic
Description : Which one of the following pairs is incorrectly matched as to antibiotic and use? a. Penicillin-gram-positive bacteria b. Nystatin-fungi c. Tetracycline-viruses d. Griseofulvin-fungi
Last Answer : c. Tetracycline-viruses
Description : The gram-positive bacteria lack __________ structure/component? A.outer membrane B.murein C.teichoic acid D.plasma membrane
Last Answer : A.outer membrane
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 : 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 cell walls of many gram positive bacteria can be easily destroyed by the enzyme known as A-lipase B- .lysozyme C- .pectinase D-.peroxidase
Last Answer : .lysozyme
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 : Bacteria, which can attack normal corneal epithelium: a. Neisseria gonorrhea. b. Staphylococcal epidermidis c. Moraxella lacunata. d. Staphylococcal aureus
Last Answer : ANSWER: A
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 : Hemorrhagic colitis and hemolytic uremic syndrome are associated with a. Helicobacter Pylori. b. Staphylococcus Aureus. c. Escherichia Coli. d. Salmonella Typhi.
Last Answer : c. Escherichia Coli.
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 : Gastric ulcer disease is caused by a. Helicobacter pylori. b. Yersinia entercolitica. c. Escherichia coli. d. Salmonella Typh
Last Answer : a. Yersinia pestis.
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 : Gastric ulcer disease is caused by a. Helicobacter pylori. b. Yersinia entercolitica. c. Escherichia coli. d. Salmonella Typhi.
Last Answer : a. Helicobacter pylori.
Description : What was the first bacterial genome to be sequenced and made public? A- Bacillus subtilis B- Escherichia coli C- Haemophilus influenza D- No bacterial genome has been sequenced yet
Last Answer : Haemophilus influenza