In this animated activity, learners examine muscle cell contraction and relaxation and consider the role of calcium ions.

Learners examine a CBC and study the functions of blood cells, the normal range for each item on the CBC, and possible reasons for increases or decreases from the normal range.

Learners follow an EMT response at a high school involving a patient who complains of having difficulty breathing. In this detailed activity, learners examine response procedures, resources, and medications.

Learners examine the phases and characteristics of the reality shock experienced by nurses. They also identify strategies to deal with reality shock and with the transition from student nurse to registered nurse.