After Reading the Paragraph Below, Answer the Questions That Follow

question 16

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 first vaccination provides immunity because

• A)a localized inflammatory response is initiated.
• B)the vaccine contains manufactured antibodies against smallpox.
• C)antigenic determinants in the vaccine activate B cells, which form plasma cells as well as memory cells.
• D)the vaccine contains antibiotics and other drugs that kill the smallpox virus.

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Definitions:

Open Market Purchases

Transactions by a central bank in which it buys securities from the market to increase the money supply and encourage economic activity.

Open Market Sales

The selling of government bonds and securities in the open market to control the money supply and influence interest rates.

Relative Price

The price of one good or service compared to the price of another, essentially showing the trade-off between the two items.

Menu Costs

Menu costs refer to the expenses incurred by firms in changing prices in response to market changes, including the physical costs of changing price tags and the costs of updating marketing materials.