After Reading the Paragraph Below, Answer the Questions That Follow

question 65

Multiple Choice

After reading the paragraph below, answer the questions that follow.
To protect U.S. soldiers serving overseas, each soldier receives vaccinations against several diseases, including smallpox, before deployment. Following intelligence about an imminent smallpox threat in Iraq, the U.S. Army wants to ensure that soldiers stationed there are fully protected from exposure to the disease, so all the soldiers in the threat zone are given a second vaccination against smallpox.
-The second vaccination is beneficial because

• A)it contains plasma cells that survive longer than 4-5 days.
• B)it stimulates production of a higher concentration of antibodies in the bloodstream.
• C)it requires two injections to stimulate antibody formation.
• D)it keeps previously produced plasma cells circulating in the bloodstream.

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Definitions:

Volume of Container

The amount of space that a container can hold, usually measured in liters or cubic meters.

Blood CO2 Levels

The concentration of carbon dioxide in the blood, an important indicator of respiratory function.

Blood’s pH

The measurement of acidity or alkalinity in the blood, crucial for maintaining homeostasis and enzymatic function.

Bicarbonate Ions

A major component of the body's pH buffering system, helping to maintain acid-base balance in blood and other fluids.