Your Immune System Has Identified Some Body Cells Infected with an Influenza

question 99

Multiple Choice

Your immune system has identified some body cells infected with an influenza (flu) virus. Which of the following will the immune system use to destroy these infected cells?

• A) B cells
• B) Antibodies
• C) Phagocytes
• D) Antigens
• E) Cytotoxic T cells

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Definitions:

Wilcoxon Signed Rank Test

A non-parametric test that compares two paired or matched samples to assess if their population mean ranks differ.

Significance Level

A threshold in hypothesis testing that determines the probability of rejecting a null hypothesis when it is true, commonly set at 0.05 or 5%.

Wilcoxon Signed Rank Sum Test

A non-parametric statistical hypothesis test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess whether their population mean ranks differ.

Nonzero Differences

Differences between values or measurements that are not equal to zero, indicating variation or change.