A & P Test 5 - Respiratory Physiology

What is the primary function of the respiratory system?

What is the site of gas exchange?

Where are the alveoli located? How many are there per alveolus?

By what process do 02 and CO2 move through air and blood? How does this relate to high and low partial pressures?

What is the formula for finding the partial pressure of a gas?

What is the partial pressure of 02 at sea level?

What is the total pressure at sea level?

W

How does water vapor pressure affect the calculation of PO2 of inspired air.

What are type 1 alveolar cells?

What are type 2 alveolar cells?

What are alveolar macrophages?

Describe the pathway from the trachea.

What do all of the bronchi make up?

How many generations of airways are there?

What generation is the trachea?
What about the R & L mainstem bronchi?

What bronchus are foreign bodies more likely to lodge? Why?

Where is the conducting zone?
What is another name for the conducting zone?

What is the function of the conducting airways? What type of flow do they promote?

What are the most distal conducting airways?

Where are the transitional zone of the airways?

What is the respiratory zone of the airways?

What are the two major zones of the airways?

What is the volume of anatomic deadspace?

What is the volume of the alveolar region?

What are the two blood supplies the lungs receive?

What are the functions of the pulmonary arteries?

What is unique about the pulmonary arteries?

Where are the pulmonary arteries located?

What do you know about the pulmonary artery pressure and flow?

What are the functions of the pulmonary artery?

What is the diameter of the capillary segment of the pulmonary artery?

What is the thickness of the blood-gas barrier?

What is the effect of large increases in capillary pressure?

How many seconds do RBCs spend in the capillary network?

What happens after gas exchange in the alveoli?

What is the role of the bronchial arteries?

What do the bronchial arteries create with the pulmonary veins?

What are the components of the venous admixture?

What is the result of the venous admixture?

Why is the blood-gas barrier ideal for exchange by diffusion?

All gas exchange happens where? What is the volume?

To where does convective flow take inspired gas?