Question 1

What is the similarity between the flora found in a female at the menopause stage and a female at the pre- puberty stage? How different is it from a female between the stages of puberty and menopause?

Accepted Answer

The answer of What is the similarity between the flora...

Question 2

The collective term for the organisms living on or in the human body is_________ .

Accepted Answer

The answer of The collective term for the organisms living...

Question 3

The following bacteria are all implicated in dental caries EXCEPT

Accepted Answer

A)  Streptococcus mutans. 
B)  Escherichia coli. 
C)  Streptococcus sobrinus. 
D)  all of the above.

Question 4

The spread of pathogens through the blood and lymph systems that results in a bloodborne systemic infection is called

Accepted Answer

A)  cancer. 
B)  septicemia. 
C)  bacteremia. 
D)  pathogenesis.

Question 5

Siderophores from some pathogens remove iron from the host protein(s)

Accepted Answer

A)  lactoferrin 
B)  transferrin 
C)  both lactoferrin and transferrin 
D)  none of the above

Question 6

Explain how Clostridium tetani cells that rarely leave their initial site of infection can cause death in their hosts.

Accepted Answer

The answer of Explain how Clostridium tetani cells that rarely...

Question 7

The process by which white blood cells ingest and kill bacteria is called_________ .

Accepted Answer

The answer of The process by which white blood cells...

Question 8

Which genus does NOT produce hyaluronidase?

Accepted Answer

A)  Procholorococcus 
B)  Clostridia 
C)  Streptococcus 
D)  Staphylococcus

Exam 27: Microbial Interactions With Humans