Which of the Following Statements About the Antigen-Presenting Function of Macrophages

question 16

Multiple Choice

Which of the following statements about the antigen-presenting function of macrophages is NOT correct?

• A)Macrophages are particularly important at presenting peptides derived from particulate or opsonized antigens that are internalized by phagocytosis.
• B)Macrophages become activated by the helper T cells to which they present microbial peptides,and as a result of this activation they become efficient at killing the microbes.
• C)Resting macrophages express low levels of class II MHC molecules,but higher class II MHC expression is induced on activation by the T cells to which they present antigen.
• D)Macrophages express highly variable,high-affinity receptors for many different antigens,and these receptors facilitate the internalization of the antigens for processing and presentation.
• E)Macrophages present antigen to T cells in lymphoid organs and many nonlymphoid organs.

Understand how personal biases or expectations (like experimenter expectancy effects and the placebo effect) can influence research outcomes.

Identify the roles of key variables in experimental research (independent and dependent variables) and the importance of manipulation and measurement.

Understand the importance and applications of ethical and environmentally friendly product designs.

Comprehend customer service standards and how to meet or exceed them.

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Definitions:

Financial Investments

Assets acquired with the goal of generating income or appreciating in value, such as stocks, bonds, or real estate.

Scientific Evidence

Information that has been collected systematically following scientific methods, intended to support or disprove theories or hypotheses, and is often used in legal and regulatory decision-making processes.

WTO

World Trade Organization; an international body that regulates and facilitates global trade by establishing trade agreements and resolving disputes among member countries.

Product Standards

Established criteria or specifications that products must meet for quality, safety, and performance to protect consumers and ensure consistency.