How Do Group a Streptococci Camouflage Themselves from White Blood

question 21

Multiple Choice

How do group A streptococci camouflage themselves from white blood cells?

• A) They produce coagulase, allowing the bacteria to hide within blood clots.
• B) They have protein M in their capsule, which destabilizes complement and interferes with opsonization.
• C) They grow in chains or pairs.
• D) They have hyaluronic acid capsules.
• E) They produce streptokinase, which breaks down blood clots.

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Definitions:

SE Coef

The Standard Error of the Coefficient (SE Coef) measures the accuracy with which a sample represents a population, specifically showing how much the estimated coefficients of a regression analysis are likely to vary from the actual population values.

Linear Effects

Phenomena or changes that are directly proportional to the changes in an independent variable, showing a straight-line relationship in graphical representations.

Worst Predictor

A variable or factor that provides little to no useful information in forecasting or predicting outcomes.

Linear Effects

The impact on a dependent variable that is proportional to the change in an independent variable, suggesting a straight-line relationship in a statistical model.