Microbiology quiz
True or False: Helicobacter pylori is the MOST common singleorganism found in the stomach.
True
False
Which of the following is NOT found in the gastrointestinaltract of a healthyindividual
protists
Clostridium
Bacteroides
Bacteroidetes
Which of the following is NOT produced by microorganisms in thegut of humans?
vitamin B12
vitamin K
vitamin C
CO2
Bacteria make up about ________ the weight of fecal matter.
one-fourth
one-third
one-half
one-fifth
Which of the following will happen after a person takes anantibiotic orally?
The growth of normal flora will be inhibited.
The growth of pathogens will be inhibited.
Opportunistic microorganisms such as antibiotic-resistantStaphylococcus will become established.
all of the above
Healthcare-associated infections are also called
opportunistic pathogenic infections.
attenuated infections.
virulent infections.
nosocomial infections.
Which of the following healthcare procedures may unintentionallyintroduce microorganisms into the patient?
catheterization
surgery
spinal puncture
all of the above
_______ is the growth of microorganisms NOT normally presentwithin a host.
Disease
Virulence
Infection
Pathogenicity
Adherence factors include ALL of the following EXCEPT
capsule.
fimbriae.
flagella.
lipopolysaccharide