In this animated and interactive object, learners examine ABO blood antigens and Rh antigens and their compatibility.

Through the use of symbols and words, the learner reviews the etiologies, symptoms, and treatment of respiratory and metabolic acid-base disturbances.

Learners watch a brief video clip. They then follow step-by-step instructions on how to do a urine colony count and examine the criteria for determining if a colony count represents an infection. A brief quiz completes the object.

In this interactive object, learners match physiological, mechanical, or other parenteral nutrition complications with the appropriate nursing care.

Dental x-rays are generated in the dental x-ray tube. Through this animated learning object, students will learn the steps in x-ray generation from turning on the x-ray unit to exposing the dental x-ray film.

Learners follow an EMT response at a restaurant involving a woman with slurred speech who has weakness on her right side. Students examine response procedures, resources, and medications.

The tubehead is a sealed, heavy metal housing that contains the x-ray tube that produces dental x-rays. This learning object will provide students with practice identifying and labeling the dental x-ray tubehead.

In this interactive object, learners review the four types of hypersensitivity and check their knowledge of alternative names, mediators, and various antigens and disease conditions.

In this animated activity, learners examine the components of the dental x-ray tube and how dental x-rays are generated.

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.

In this animated lesson, students read how reducing the thickness of a food is an important factor in cooling it. They also read FDA guidelines for food temperatures.

Learners test their knowledge in this drag-and-drop exercise by identifying coding errors in health care claim cases.

In this animated learning object, learners view how the fats that people eat are digested and absorbed.

In this animated learning object, learners examine the regulation of inducible operons in bacterial systems.

Students make observations and formulate an evaluation that includes diagnosis, microorganism identification, and treatment.

This learning object demonstrates the process by which antigens are identified, processed, and presented to mediators of the cellular immune system.

The student identifies the anatomical parts of the ear and learns the purpose and function of these parts. A review follows the lesson.

Learners examine microscope images of blood agar and the various types of hemolysis that can be detected. A quiz completes the activity.

In this activity, you will review proper apparel for working in a doctor's office.

In this animated and interactive object, learners examine the structure and functions of granulocytes and agranulocytes. Two exercises complete the activity.

Learners identify various therapeutic interaction strategies to be used when working with children and adolescents to enhance self-esteem, self-concept, self-worth, body image, and coping and communication skills.

In this learning object, you will learn about four blood osmolality and volume regulators, their sites of production, their sites of action, and the results of those actions.