Which of the following reflects the ability of a genetic marker to distinguish two samples coming from different sources?

An EMS agency's public information officer should be trained to:

A) release anticipated actions of the agency. B) use the media to the agency's advantage. C) direct media coverage away from a disaster. D) release limited protected health information

Contractility is the ability of a cardiac cell to

A) contract. B) initiate an impulse without outside stimulus. C) respond to a stimulus by depolarizing. D) pass an impulse along to neighboring cells.