Why Do Cigarette Smokers Cough More Than Most People Do

question 52

Multiple Choice

Why do cigarette smokers cough more than most people do?

• A)The tar in cigarette smoke tends to make alveoli become sticky and close. Coughing opens them.
• B)Coughing is the respiratory system's attempt to clear itself of the thick mucus that is produced in response to smoke exposure.
• C)Cigarette smoking partially paralyzes the lungs; coughing exchanges the resultant "dead air."
• D)Coughing stimulates blood flow to the lungs.

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Definitions:

Exchange Rate

The price of one country's currency in terms of another's, used in international trade and investment.

Spot Rate

The current market price at which a particular asset can be bought or sold for immediate delivery and payment.

Covered Interest Arbitrage

A strategy in which an investor uses a forward contract to hedge against exchange rate risk when investing in foreign interest-bearing instruments.

Nominal Risk-Free Rate

The rate of return on the safest investments, such as government bonds, without adjusting for inflation.