Question

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