Use universal precautions to keep pathogens out of your

blood or blood stream

Explanation:

you use gowns and gloves to keep pathogens from entering your bloodstream- for example

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.