How Do You Spell FUNCTIONAL RESIDUAL CAPACITIES?

Pronunciation: [fˈʌŋkʃənə͡l ɹɪsˈɪd͡ʒuːə͡l kəpˈasɪtiz] (IPA)

Functional Residual Capacities is a term commonly used in respiratory physiology. The word "functional" is spelled as /fʌŋkʃənəl/ in IPA phonetic transcription. The word "residual" is pronounced as /rɪzɪdʒuəl/. Finally, the word "capacities" is spelled as /kəpæsətiz/. Together, the term refers to the amount of air left in the lungs after normal expiration. Understanding IPA phonetic transcription can help to accurately pronounce and spell technical terms in various fields of study.

FUNCTIONAL RESIDUAL CAPACITIES Meaning and Definition

1. Functional residual capacity (FRC) is a term used in respiratory physiology to describe the amount of air remaining in the lungs at the end of a normal tidal breath. It refers to the equilibrium volume of the lungs after passive expiration, where the opposing elastic forces of the lungs and chest wall are balanced. FRC represents the functional lung volume available for gas exchange during normal breathing.

   FRC is determined by two components: the residual volume (RV), which is the volume of gas remaining in the lungs after maximum expiration, and the expiratory reserve volume (ERV), which is the volume of air that can be forcefully exhaled after a tidal breath. Therefore, FRC can be calculated as the sum of RV and ERV.

   This lung capacity is essential for maintaining efficient gas exchange. It acts as a reserve, allowing the lungs to remain partially inflated even after expiration, ensuring a continuous exchange of oxygen and carbon dioxide between the alveoli and the bloodstream. FRC also plays a crucial role in the maintenance of lung mechanics, preventing lung collapse and maintaining the compliance of the respiratory system.

   Abnormalities in FRC can be indicative of respiratory disorders or diseases such as chronic obstructive pulmonary disease (COPD), asthma, or lung fibrosis. Measuring FRC can provide valuable diagnostic information and help monitor the progression of these conditions.

Common Misspellings for FUNCTIONAL RESIDUAL CAPACITIES

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