Report, Which of the Following Findings Is True

question 56

Multiple Choice

report, which of the following findings is true?

• A) Approximately two thirds of the United States population admits to having tried an illegal substance and approximately 10% have used a drug in the past year
• B) Approximately three fourths of the United States population admits to having tried an illegal substance and approximately 15% have used a drug in the past year
• C) Approximately half of the United States population admits to having tried an illegal substance and approximately 15% have used a drug in the past year
• D) Approximately one third of the United States population admits to having tried an illegal substance and approximately 10% have used a drug in the past year

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Definitions:

Anatomic Dead Space

refers to areas of the respiratory system where gas exchange does not take place, such as the trachea and bronchi.

Inspiratory Reserve Volume (IRV)

The additional air that can be forcefully inhaled after a normal inhalation.

Expiratory Reserve Volume (ERV)

The additional amount of air that can be forcibly exhaled after the completion of a normal, quiet exhalation.

Inspiratory Capacity (IC)

The maximum amount of air that can be inhaled after a normal exhalation.