Throughout history, public health activities directed at the nature, ______, and control or treatment of diseases reflected the state of knowledge at the time.

During labor, the umbilical cord may present first, causing a dangerous condition known as __________

Fill in the blank(s) with correct word

________ is the irrational and excessive fear of an object, activity, or situation.

A. Use B. Abuse C. Phobia D. Dependence