Which of the following was found to be catalase positive

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Reference no: EM133224541

Assignment:

1- Which of the following was found to be catalase positive?

Staphylococcus epidermidis
Streptococcus pyogenes
Proteus mirabilis
All of the above were positive.

2- The end products of urease hydrolyzing urea are

Water and carbon dioxide
Hydrogen peroxide and water
Ammonia and water
Ammonia and carbon dioxide
Ammonia only

3- The catalase enzyme changes.............. into water and oxygen.

The superoxide radical
Oxygen
Hydrogen peroxide
Lactose Mannitol

4- Which of the following statements is CORRECT ?

Endospores are LESS resistant to disinfectants than are Mycobacteria.
Endospores are MORE resistant to disinfectants than are Gram (-) bacteria
Gram (-) bacteria are MORE resistant to disinfectants than are Mycobacteria
Viruses without envelopes are LESS resistant to disinfectants than are viruses with envelopes
Viruses without envelopes are MORE resistant to disinfectants than are Gram (-) bacteria

5- The fraction of the population that is infected with the disease at a certain point in time is known as...

Prevalence
Propagation
Indexing
Incidence

6- Which of the following are INCORRECTLY associated?

Morbidity.....illness
Morbidity.....death
Mortality....death
Mortality....illness
Both B & D are incorrect

Reference no: EM133224541

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