They try to do many things at once, are impatient, and easily irritated and angered - the type B personality is marked by relatively relaxed, patient, easygoing behavior * Type A behavior is a contributing factor in heart disease * The immune response is the body's defensive reaction to invasion by bacteria, viruses, etc... It is marked by a history of diverse physical complaints that appear to be psychological in origin * Conversion disorder is characterized by a significant loss of physical function with no apparent organic basis, usually in a single organ system * Hypochondria ...

• Word Count: 3108
• Approx Pages: 12
• Grade Level: Undergraduate