Explore Westonci.ca, the premier Q&A site that helps you find precise answers to your questions, no matter the topic. Connect with a community of experts ready to provide precise solutions to your questions on our user-friendly Q&A platform. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.

Which of these describes the work of a public health professional?
A.
Dr. Chang is studying lead-paint exposure in an urban community.
B.
Dr. Roberts is prescribing antibiotics to a patient with an infection.
C.
Dr. Harrison is researching the effectiveness of chicken pox vaccines.
D.
Dr. Gardiner is administering chemotherapy to a patient with colon cancer.