Select the statement that best describes the role of the immune system. a. the immune system is responsible for keeping invaders from entering the body. b. the immune system is responsible for recognizing foreign invaders. c. the immune system is responsible for attacking viruses. d. the immune system is responsible for preventing illness and defending the body from harmful foreign substances.

Which of the following does not cause blindness? a. cataractsb. glaucomac. osteoarthritisd. diabetes

Which is an example of a drug–nutrient interaction? a.bacterial overgrowth b. changes in absorption c. decreased sense of smell d. poor appetite e. reduced acuity of taste sensation

Jen is reviewing information about a new treatment for arthritis pain that she saw on an informational website. most of the information is testimonials from satisfied users. which best indicates that this information is unreliable? it is not paid for by product sponsors. it is on a website that is not run by professionals. its claims are based mostly on anecdotal evidence. its claims are not supported by the provided information.