RespirationSp10.pptx. NPB 101

RespirationSp10.pptx. NPB 101 - 5/4/10 1 Respiration 1...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 5/4/10 1 Respiration 1 Outline Topic #1 1. Functions Respiratory System. 2. Volumes and Capacities of the Respiratory System, and Their Roles in Gas Exchange Particular Focus on Functional Residual Capacity (FRC). 3. Interaction of Intrinsic Forces for the Lung and Chest Wall and Forces Acting Across the Lung and Chest Wall Determining Inspiration or Expiration 4. Concept of Transmural Pressure, & the Definition of the Transmural Pressures for the Lung, Chest Wall, and Respiratory System. 5. Intrinsic Forces Acting on the Lung & Chest Wall 6. Role and Functional Significance of Surfactant. 7. Pressure Changes and Interaction of Forces for Inspiration, and Expiration. 5/4/10 2 Topic #1 Respiration 2 Functions of the Respiratory System 1. Ventilation for Gas Exchange Respiratory System Supplies Oxygen to the Alveoli and blood, and It Removes Carbon Dioxide from the Alveoli and Blood. 2. Role in Acid Base Balance and Regulation through Affect on Carbon Dioxide Content in the Blood. 3. Defense Against Foreign Substance Particulates, Bacteria, Viruses. Ciliated Cells Mucous Macrophages - Phagocytic Cells in Airways. 4. Activator of Vasoactive Substances Angiotensin I Angiotensin II, + Others. 5. 5/4/10 2 Topic #1 Respiration 2 Functions of the Respiratory System 1. Ventilation for Gas Exchange Respiratory System Supplies Oxygen to the Alveoli and blood, and It Removes Carbon Dioxide from the Alveoli and Blood. 2. Role in Acid Base Balance and Regulation through Affect on Carbon Dioxide Content in the Blood. 3. Defense Against Foreign Substance Particulates, Bacteria, Viruses. Ciliated Cells Mucous Macrophages - Phagocytic Cells in Airways. 4. Activator of Vasoactive Substances Angiotensin I Angiotensin II, + Others. 5. Role in Temperature Regulation Convection of Heat and Evaporation. 5/4/10 3 Topic #1 Respiration 3 Lung Volumes and Capacities (Fig. 13-18) (Note: Lung Capacities are Sums of Lung Volumes) Topic #1 Respiration 4 Dead Space Volume Contributes to FRC 5/4/10 4 FRC = Dead Space Volume + Air Volume Remaining in Alveoli Dead Space = Volume of air in conducting airways Gas exchange does not occur in the dead space Dead Space = ~ 150 ml (weight in pounds expressed as ml) Topic #1 Respiration 5 Distribution of the Tidal Volume Mixing of Outside Air with Air Previously undergone Gas Exchange in Dead Space gradient Po2 and Pco2 along Airways Distribution of any Tidal Volume (TV) TV Dead Space Volume + Alveolar Volume With Inspiration, 1. dead space volume, first air to enter alveoli air has undergone gas exchange 2. Then outside air enters alveoli. 3. Mixing of outside air with air that has previously undergone gas exchange....
View Full Document

This note was uploaded on 11/07/2010 for the course NPB NPB 101 taught by Professor Weidner/wingfield during the Spring '08 term at UC Davis.

Page1 / 35

RespirationSp10.pptx. NPB 101 - 5/4/10 1 Respiration 1...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online