What is the term for the premature separation of the placenta from the uterine wall?

Atoms of an element that contain different numbers of neutrons are:

A) mass elements. B) natural elements. C) isotopes. D) neutral elements.

To test a patient's capillary refill, the EMT will:

A) apply gentle pressure to the radial pulse and watch color changes to the hand. B) firmly compress and then release pressure on the nail bed. C) examine the inside lining of one or both eyelids. D) apply pressure and then release that pressure from the arm.