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______ insert their own genetic code into the host cells genetic code and feed on it to reproduce; the new particles burst the cell membrane and escape to infect other cells viruses
____ can spread disease by secreting toxic substances, becoming parasites in human cells, or by forming colonies in the body that disrupt function bacteria
one-celled organisms called ____ cause disease by parasitizing or directly destroying cells. protozoa
jessica became sick when the hamburger she ate contained germs from a food-service worker who did not wash his hands. pathogens were thus spread to jessica via: environmental contact
phil has a venereal disease. this is caused by person-to-person contact
an example of someone with an opportunistic invasion is a change is anjiyas skin temp and increased moisture act together
practice medium-level sanitation. which is likely to use a hospital disinfectant labeled "tuberculocidal"
a dysfunction in the bodys immune system, which defends the body against disease, is called AIDS
primitive cells that have no nuclei bacteria
which of the following is both a safety and sanitation concern jewelry
a client has hepatitis C. the massage practitioner is concerned about becoming infected while giving a client a massage...realistic concern NO, so long as standard precautions are used
HIV is a virus that can be killed with hot soapy water and a 10% bleach solution
AIDS is a dysfunction of the immune system
Created by: marlenasokana