Microbiology quiz
True or False: Helicobacter pylori is the MOST common single organism found in the stomach.
True
False
Which of the following is NOT found in the gastrointestinal tract of a healthy individual
protists
Clostridium
Bacteroides
Bacteroidetes
Which of the following is NOT produced by microorganisms in the gut 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 an antibiotic orally?
The growth of normal flora will be inhibited.
The growth of pathogens will be inhibited.
Opportunistic microorganisms such as antibiotic-resistant Staphylococcus 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 unintentionally introduce microorganisms into the patient?
catheterization
surgery
spinal puncture
all of the above
_______ is the growth of microorganisms NOT normally present within a host.
Disease
Virulence
Infection
Pathogenicity
Adherence factors include ALL of the following EXCEPT
capsule.
fimbriae.
flagella.
lipopolysaccharide
1. True. Helicobacter pylori is the most common organism found in the human stomach.
2. Clostridium and protists are not found in the GIT of a healthy individual. They cause diseases. The other options consist of the normal flora.
3. Vitamin C and CO2 are not produced by the intestinal flora in the gut. These organisms produce vitamin K and B12.
4. Bacteria make up about _____one third___ the weight of fecal matter.
5. When a person takes an oral antibiotic, the option is - all of the above..
6. Healthcare-associated infections are also called nosocomial infections. These occur when the apparatus used in hospitals is not sterile. The doctor/nurse may also be a vehicle of transmission.
7. All the given healthcare procedures can introduce pathogens into the patient. Catheterization is the introduction of a catheter inside the body. A spinal puncture also opens up the bosy while during surgery, pathogens can easily enter if the operation theatre is not sterile.
8. Infection is the growth of organisms not seen in the body. Virulence is the ability to cause a disease while disease is the symptomatic show of the inner growth of microbes. Pathogenicity is the method of infection.
9. Lipopolysaccharide does not act as a adherens factor. The rest of the options act as adherens factors.
Microbiology quiz True or False: Helicobacter pylori is the MOST common single organism found in the...
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