Recall That the Word Sum Indicates Addition

question 78

Short Answer

Recall that the word sum indicates addition. Write the numerical expression that is equivalent to the phrase below, and then simplify. Six added to the sum of -9 and 4

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Definitions:

Residual Volume (RV)

The volume of air remaining in the lungs after a forceful expiration, ensuring that gas exchange can continue at all times.

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.