Respiratory Physiology

Upper Respiratory System structures

Lower Resp System Structures

Conducting portion of Resp System

4 Structures involved in gas exchange

Epiglottis

What is the primary passageway for air into the lungs

Annular Ligaments

4 Lobes of Right Lung

Pulmonary and Bronchial Arteries supply blood to the...

hypoxia

Perfusion Coupling

Bronchial arteries...

The pressure within the lungs?

Pressure within the pleural cavity?

Boyles Law

What causes most of the exhalation?

When is expiration an active process?

Main Expiratory Muscles

Intrapulmonic pressure becomes positive when...

The intrapulmonic pressure is normally _____ during inspiration..

The intrapleural pressure is during inspiration vs expiration is...

2 things that produce RECOIL

What prevents the collapse and the recoil of the lungs during expiration?

Surfactant

Factors Opposing Recoil Tendency of Lungs

Premature birth=

Pneumothroax

5 Types of Pneumothorax

Open pneumothorax

Mediastinal flutter

Throcaocentesis

Atelectasis

Causes of Atelectasis

2 Main Types of Atelectasis

Obstructive Atelectasis AKA Absorption Atelectasis or Secondary

Compression Atelectasis

Massive Atelectasis

Hypostatic Atelectasis

Obstructive Pulmonary diseases...

Examples of Obstructive Pulmonary Diseases

Bronchoconstrictor Agonists

Emphysema

2 Types of Breathing

Eupnea

Bradypnea

Tachypnea

Tidal Volume (Vt)

Respiratory Frequency (f)

Minute Volume (V)

Minute Volume (V) =

When air comes into the resp track, what two functionally diff parts does it go to?

Anatomical Dead Space

alveolar Vd

To calculate total physiological dead space use this formula:

Physiological Dead Space

Tidal Volume is the sum of...

6 Layers Gas needs to go across from alveoli to blood during gas exchange

How does Pulmonary Edema influence gas diffusion?

How does Pneumonia affect gas diffusion?

Diffusion Coefficient

How much faster does carbon dioxide diffuse through the membrane?

What diseases can cause decreased surface area of the respiratory membrane?

total pressure gas =

PO2

PaO2

PvO2

PAO2

Hemoglobin can carry up to...