Health care workers need to practice STANDARD PRECAUTIONS because: their facility requires it it's not easy to identify patients who have communicable diseases it's not easy to identify patients who have cancer they will get fired if they do not do it.

It's not easy to identify patients with communicable diseases.

Explanation:

Strict practice of standard precautions would forestall the transfer of infections from patient to patient through health care workers.

delegated (sometimes called enumerated or expressed) powers are specifically granted to the federal government in article i, section 8 of the constitution. this includes the power to coin money, to regulate commerce, to declare war, to raise and maintain armed forces, and to establish a post office.