Author Question: The skin and mucosal tissue can prevent the spread of infectious agents by acting as _____ ... (Read 28 times)

kshipps · **on:** Jul 16, 2018

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 · **Reply #1 on:** Jul 16, 2018

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.