Choose true or false for all questions: 1. blood borne pathogens are disease causing organisms carried in human blood. a. true b. false 2. a person could have hiv and not have any symptoms for several years. a. true b. false 3. change in smell/taste and generalized itching are some of the symptoms of hepatitis.

All the three statements are true.

Explanation:

a. Blood borne pathogens are carried through the blood medium. These pathogens can spread through infected blood of one person to another person. Examples: HIV and hepatitis virus (HBV, HCV and HDV are spread by blood and sexual contact).

b. AIDS is a deficiency of immune system, acquired during the life time of an individual. HIV is a retrovirus, it produces DNA from its RNA which then gets integrated into host cell DNA. There it can remain dormant , giving no sign of its presence.

c. Viral hepatitis includes such symptoms of change in smell, taste and itching.

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )

i think the answer is g1

hope i

-lavira: )