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 object, learners examine the various connective tissue layers of the muscle organ. The terms "prime mover," "synergist," "antagonist," "origin," and "insertion" are defined.

In this animated object, learners view the "T" and "P" waves and the "QRS complex." A brief quiz completes the activity.

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.

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.

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

Learners examine the function of each part of a microscope and follow step-by-step instructions on how to focus on a specimen. They also review the proper use and care of a microscope and test their knowledge in two drag-and-drop exercises.

Viewers watch an introduction to monosaccharides, disaccharides, and polysaccharides. The processes for dehydration synthesis and hydrolysis.

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

Learners take a close look at the information on product labels concerning fat, fiber, and serving sizes. A quiz follows the lesson.

In this highly interactive and animated object, learners complete three exercises to identify the cranial nerves and their functions.

Learners conduct an experiment to illustrate how a greater number of particles in a "vessel" increases osmotic pressure.

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.

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

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 match gastrointestinal system drug actions to the appropriate drug category.

Learners follow the path of a carbohydrate food from consumption through digestion to absorption into the bloodstream. In a matching exercise, students identify the main type of carbohydrate found in four different foods.

In this learning activity you'll assemble the components of a prokaryotic cell and match the names and functions with each structure.

Learners identify five common types of open wounds: abrasions, avulsions, incisions, lacerations, and puncture wounds.

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

In this screencast, learners examine the movement of fluid within the vascular system.

Learners study two diagrams of the lymphatic system and then test their knowledge in drag-and-drop exercises.

Learners examine four stages of rheumatoid arthritis and compare them to the normal synovial joint.

In this interactive object, learners identify a person's regional body parts.