Answer:
State and
Local health departments
Explanation:
Because health workers in state and local departments are closer to people within their jurisdiction than at national level, their responsibilities include monitoring of health activities, disease control and sanitation; the funding and delivery of personal health services including Medicaid, mental health, and direct delivery through public hospitals and health departments at local and state levels; environmental protection, including protection against man-made environmental and occupational hazards.
BMI- obesity
X-Ray- COPD
Blood Cell Count- iron deficiency
Patients of hospitals with a high index of suspicion, and Healthcare providers that utilize needles ( primarily because blood from either can get into the wounds of one another).
Additionally I think servicemen are obligated to have one done on them. Additionally those who wish to donate blood are required to have a negative blood test.