T-helper Information and Courses from MediaLab, Inc.
These are the MediaLab courses that cover T-helper and links to relevant pages within the course.
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| A decrease in which of the following in an AIDS patient are associated with increased susceptibility to infection: | View Page |
| Introduction Acquired Immunodeficiency syndrome (AIDS) is caused by the Human Immunodeficiency virus (HIV). When HIV enters a person's bloodstream, it attacks and kills the T-helper lymphocytes, which are essential to the body in fighting off infections. As these cells are lost, so is the body's ability to fight infection. Possibly months after the initial infecting episode, an infected person develops a mononucleosis-like illness lasting a week or two. A person may then be free of symptoms for years. But as the T-helper cells die, the person becomes vulnerable to many serious infections. The expected mortality is 100%, and there is no vaccine available to develop specific immunity. | View Page |
| What causes HIV? HIV is caused by the Human Immunodeficiency virus.When HIV enters a person's bloodstream, it attacks and kills the T-helper cells. These cells are part of a group of white blood cells known as lymphocytes, which are essential to the body in fighting off infections.As these cells are lost, so is the body's ability to fight infection. | View Page |
| What happens after HIV infection? Possibly months after the initial infecting episode, an infected person develops a mononucleosis-like illness lasting a week or two.A person may then be free of symptoms for years.But as the T-helper cells die, the person becomes vulnerable to many serious infections.And the expected mortality is 100%. | View Page |