Which Two of These Four Structures Are of the Same

question 17

Multiple Choice

Which two of these four structures are of the same structural isomer?

• A)upper right and lower left
• B)upper left and lower right
• C)lower left and upper right
• D)lower right and upper right

---

Definitions:

Vital Capacity (VC)

The greatest volume of air that can be expelled from the lungs after taking the deepest possible breath; an important measurement in respiratory health.

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.