I have a number of these questions and I'm so confused by them, please help. What am I supposed to write in the box?

Knowing if a patient has tuberculosis, hepatitis b, or aids is important because a. serious illnesses should be avoided. b. they could compromise the vital sign readings. c. cross-infection may occur. d. they can't be cured.

Can someone give me one specific health problem, and explain it. !

True or false: determining the source and motive of an ad for a health product will you decide whether the ad is a reliable source of health information.