The skin and mucosal tissue can prevent the spread of infectious ...

[kshipps]

The skin and mucosal tissue can prevent the spread of infectious agents by acting as _____ barri-ers.
 
  a. immunologic c. epidermal
  b. mechanical d. soft

Question 2

An agent that destroys pathogenic microorganisms on inanimate objects only is best described as a:
 
  a. virucide. c. bactericide.
  b. germicide. d. disinfectant.

[harveenkau8139]

Answer to Question 1

ANS: B
The skin and mucous membranes are mechanical barriers to infection, meaning that they physi-cally prohibit the transfer of infectious organisms into a host.

Answer to Question 2

ANS: D
A disinfectant describes agents that destroy pathogenic microorganisms on inanimate objects on-ly. Germicide is a general term used to describe agents that destroy pathogenic microorganisms on living tissue and inanimate objects. A bactericide destroys all pathogenic bacteria. A virucide destroys viruses only.

[kshipps]

Thanks for the timely response, appreciate it

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