Use the Information Below as Background for the Following Questions

question 51

Multiple Choice

Use the information below as background for the following questions.
Immunodeficiencies may be genetic in origin. Two examples of these are Bruton's agammaglobulinemia, an X-linked disorder, and DiGeorge syndrome, caused by a deletion from chromosome 22. Bruton's results in underdeveloped B cells, while DiGeorge syndrome results in a missing or seriously underdeveloped thymus.
-What aspect of the immune response would a patient who has a parasitic worm infection and another patient responding to an allergen such as ragweed pollen have in common?

• A)Both patients would have an increase in cytotoxic T cell number.
• B)Both patients would suffer from anaphylactic shock.
• C)Both patients would risk development of an autoimmune disease.
• D)Both patients would be suffering from a decreased level of innate immunity.
• E)Both patients would have increased levels of IgE.

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Definitions:

Break-Even Point

The production level or sales volume at which total revenues equal total expenses, resulting in no net loss or gain.

Contribution Margin

The amount remaining from sales revenue after variable costs are deducted, contributing to covering fixed costs and generating profit.

Break-Even Point

The financial point at which costs equal revenues, so there is no net loss or gain.

Contribution Margin

The amount remaining from sales revenue after variable expenses have been deducted, contributing to covering fixed costs and profit.