Explain how to assess the risks associated with an individual negotiating familiar and unfamiliar environments

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.

Why would one lymph node in the neck be swollen and not the other? what causes them to swell?

Which of these is a fact about performance enhancing drugs? a. steroids lack addictive properties. b. steroids use can cause dangerous side effects. c. it is safe to use steroids when working out. d. a person can get in legal trouble for using steroids.