Ellie Wonders Whether She Has Fully Understood What You Have

question 64

Multiple Choice

Ellie wonders whether she has fully understood what you have told her, so she tells you what she knows but she makes one mistake. Which statement made by your friend is INCORRECT?

• A) When a person is exposed to an antigen, B cells get activated by TH cells, proliferating and differentiating to form populations of plasma cells and memory cells.
• B) Plasma cells produce antibodies which are specific proteins that bind to the antigens, tagging them for elimination by other immune cells such as macrophages and neutrophils.
• C) On first exposure to an antigen, a person makes IgM followed by IgG. On second exposure to that same antigen, memory cells produce large amounts of IgG.
• D) If a woman experiences a primary exposure to a particular while pregnant, she makes IgM in response. This antibody crosses the placenta and protects her fetus from that pathogen.
• E) If a woman experiences a secondary exposure to a particular pathogen while pregnant, she makes IgG that crosses the placenta and protects the fetus from that antigen.

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Definitions:

Ending Work

Refers to the value of work-in-process inventory at the end of an accounting period.

Activity-Based Costing

A method in accounting that assigns costs to products or services based on the activities required to produce or deliver them.

Overhead Costs

Indirect costs associated with operating a business, such as utilities, rent, and administrative expenses, not directly tied to a specific product or service.

Arbitrary Allocations

The distribution of costs based on criteria that may not precisely reflect the actual consumption or benefit of those costs.