Which of these is the responsibility of public health?

What condition is most likely present when a normal p wave is negatively deflected?

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.

During polarization,potassium has a blank charge,sodium has a blank ch arge ,and calcium has a b l ank. charge