The following are additional Purdue OWL resources to help you write your cover letter: 1  Cover Letter Workshop- Formatting and Organization. 2  Example Employment Documents. 3  Cover Letters 1: Quick Tips. 4  Cover Letters 2: Preparing to Write a Cover Letter. 5  Cover Letter Presentation. 6  Job Search Documents for Working Class Positions.
1 IgG deficiency with hyper-IgM is a disease that results when the B-cell fails to switch from making IgM to IgG. 2  This produces an increase in the amount of IgM antibodies present and a decrease in the amount of IgG antibodies. 3  This disease is the result of a genetic mutation.
A test for quantitative immunoglobulins (Igs) is used to detect an excess or deficiency in the three major classes of immunoglobulins (IgG, IgA, and IgM).he results of the tests for IgG, IgA, and IgM levels are usually evaluated together. Abnormal test results typically indicate that there is something affecting the immune system and suggest the need for further testing.