If the Stopper Is Removed from a Tube Before Centrifugation

question 16

Multiple Choice

If the stopper is removed from a tube before centrifugation, what effect will this have on the carbon dioxide and pH levels in the sample?

• A) A decrease in CO₂ and an increase in pH
• B) A decrease in CO₂ and a decrease in pH
• C) An increase in CO₂ and an increase in pH
• D) An increase in CO₂ and a decrease in pH

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Definitions:

Actual Inflation

The rate at which the general level of prices for goods and services is rising, and subsequently, purchasing power is falling, as it is currently being measured or experienced in the economy.

Unemployment Rate

The ratio of individuals in the labor force who are without a job and are searching for employment.

Expected Inflation

The rate at which the general level of prices for goods and services is projected to rise over a specific period, reflecting the public's expectations for future inflation.

Actual Inflation

The observed increase in prices for goods and services in an economy over a period, typically measured as a percentage.