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33 Cards in this Set
- Front
- Back
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bacteria that are spherical in shape are referred to as:
a. cocci b. diplococci c. bacilli d. spiral |
a. cocci
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bacteria that have a single flagellum at one pole are described as:
a. atrichous b. monotrichou c. amphitrichous d. peritrichous |
b. monotrichous
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the growth phase in which bacterial multiplication is most rapid is the:
a. lag b. log c. stationary d. decline |
b. log
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during the vegetative stage of bacterial life, bacteria are usually engaged in:
a. feeding b. sexual reprod c. endospore reprd d. all of the above |
a. feeding
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bacteria that require free oxygen for growth are said to be:
a. obligate anaerobes b. anaerobes c. aerobes d. mesophilic |
c. aerobes
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bacteria that grow best at 30-37C are described as:
a. obligate anaerobes b. thermophilic c. psychrophilic d. mesophilic |
d. mesophilic
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which of the following is the most effective method of sterilization:
a. boiling at 100c for 15-30min b. moist heat c. steam autoclaving at 121c with 15 pounds of pressure for 15-30min d. incubation at 37c for 6 hours |
c. steam autoclaving at 121 c with 15 lbs of pressure for 15-30 min
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which of the following is an example of a differential stain:
a. methylene blue b. gentian violet c. trypan blue d. gram stain |
d. gram stain
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in the gram stain procedure the mordant is:
a. crystal violet b. iodine c. 95% alcohol d. safranin |
b. iodine
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in the gram stain procedure the counter stain is:
a. crystal violet b. iodine c. 95% alcohol d. safranin |
d. safranin
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the most common pathologic bacteria isolated from throat culture of patients with pharyngitis is:
a. alpha strep b. group a beta hemolytic strep c. neisseria d. salmonella |
b. group A beta hemolytic strep
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most pathogenic bacteria grow best at what temp range:
a. 1-6 b. 70-100 c. 30-37 d. 18-22 |
c. 30-37
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strains of staph aureus that are resistant to penicillin produce:
a. methicillin b. vancomycin c. bata lactamase d. cephalosporins |
c. beta lactamase
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which of the following is an acid-fast bacilli:
a. treponema pallidum b. campylobacter c. mycobacteria d. vibrio |
c. mycobacteria
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the most common std in U. S.
1. gonorrhea 2. syphillis 3. gardnerella d. chlamydia |
d. chlamydia
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which of the following is an example of an anaerobic bacteria:
a. shigella b. e. coli c. s. aureus d. clostridium tetani |
d. clostridium tetani
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most pathogenic bacteria are:
a. mesophilic b. thermophilic c. psychrophilic d. fungi |
a. mesophilic
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all of the following are gm positive rods except:
a. bacillus anthracis b. haemophilus influenzae c. corynebacterium diphtheriae d. Listeria monocytogens |
b. heamophilus influenzae
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which of the following microscopes can be used to view a virus 0.1um in size:
a. transmission electron microscope b. compound microscope c. dark field microscope d. phase contrast microscope |
a. transmission electron microscope
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all of the following belong to the archae except:
a. mycoplasma b. sulfolobus c. halobacterium d. halococcus e. methanobacterium |
a. mycoplasma
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an organism is found to be a gm positive, anaerobic, endospore-forming rod. It probably belongs to the genus:
a. listeria b. actinomyces c. bacillus d. clostridium e. escherichia |
d. clostridium
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characteristic of legionella pneumophila include:
1. causation of pneumonia 2. ability to survive in chlorine treated water 3. water born 4. sexual transmission |
A. 1,2,3
- causation of pneumonia - ability to survive in chlorine water - water born |
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bacteria classified as anaerobic bacteria include:
1. e. coli 2. clostridium bortulinum 3. staph aureus 4. clostridium tetani |
c. 2,4 are correct
clostridium bortulinum, clostridium tetani |
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characteristics of N. gonorrheae include:
1. gm - cocci 2. fermentation of glucose 3. causation of urethritis 4. causation of aids |
A. 1,2,3
cocci, fermentation of glucose, causation of urethritis |
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during the vegetative stage of bacterial life, bacteria are usually engaged in:
1. feeding 2. sexual reproduction 3. asexual reproduction 4. endospore formation |
b. 1,3
feeding and asexual reproduction |
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what is the usual size range of viruses:
a. 20-300nm b. 20-300cm c. 20-300mm d. 20-300um |
a. 20-300nm
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the protein coat of a virus is called the:
a. capsomere b. envelope c. viral membrane d. capsid |
d. capsid
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which of the following protozoan parasites commonly causes travelors diarrhea?
a. giardia lamblia b. entameoba histolytica c. trypanosoma cruzi d. trichomonas vaginalis |
a. giardia lamblia
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what is the route of transmission of schistosoma infection?
a. ingestion of contaminated food b. sexual intercourse c. skin penetration by larval forms d. breathing in schistosoma eggs |
c. skin penetration by larval forms
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chagas disease is caused by:
a. entamoeba histolytica b. trichomonas c. trypanosome d. plasmodium |
c. trypanosome
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malaria is caused by:
a. entamoeba histolytica b. trichomonas c. trypanosome d. plasmodium |
d. plasmodium
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which of the following disinnfectants can kill bacteria by damaging their membrane:
a. chlorhexidine b. glutaraldehyde c. silver nitrate d. iodine |
a. chlorohexindine
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the antimicrobial agent penecillin targets:
a. 70 s ribosomes b. peptidoglycan c. lipopoltsaccharide d. archae |
b. peptidoglycan
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