What Is the Primary Determinant of Virulence in Streptococcus Pneumoniae

question 13

Multiple Choice

What is the primary determinant of virulence in Streptococcus pneumoniae?

• A) the presence of a particular Lancefield antigen
• B) the production of pneumolysin
• C) the presence of a polysaccharide capsule
• D) the ability to lyse red blood cells
• E) strain-specific teichoic acids in its cell wall

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Definitions:

Spatial Abilities

The capability to visualize, manipulate, and reason about spatial relations among objects or space.

Verbal Reasoning

The capability to understand, analyze, and derive conclusions from verbal information.

Flynn Effect

The observed rise over time in standardized intelligence test scores, attributed to various factors like improvements in nutrition, education, and environment.

IQ Scores

Numerical values derived from standardized tests designed to measure human intelligence and cognitive abilities.