All objectives are fair game for multiple choice or matching questions.
List 3 different types of primary immunodeficiency indicating how humoral and cell-mediated immunity is affected in each case and how each may be treated. State what is meant by secondary immunodeficiency and list 4 possible contributing factors. Define superantigens, state why they are able to activate exceedingly large numbers of T4-lymphocytes, and give 3 examples of superantigens. Applied Objective 1. When a person has hay fever , common symptoms include runny eyes, runny nose, swollen sinuses, and difficulty in breathing .