Compared to atmospheric air the partial pressure of o2 in the alveoli is higher or lower and the partial pressure of co2 in the alveoli is higher or lower

Q: describe the journey of a corbon-dioxide molecule from a alveolus to the outside world. Describe the…

A: The journey of a carbon dioxide molecule from an alveolus to the outside world is a fascinating…

Q: How does surfactant stabilize alveoli by preventing small alveoli from emptying into large alveoli?

A: Surfactant refers to the detergent-like fluid synthesized and secreted by the type 2 alveolar cells,…

Q: What is surface tension? Why is surface tension important in the function of the alveoli? What is…

A: Alveoli are small sac like structure which are thin walled and ballon shaped structure which helps…

Q: Predict the direction of diffusion of gases between alveoli and alveolar capillaries.

A: The respiratory system is a set of organs that permits an individual to exchange and breathe carbon…

Q: What structural characteristic of the alveoli makes them an ideal site for the diffusion of gases?

A: The respiratory system of the body is a biological system that comprises of lungs and the associated…

Q: What happens to tidal volume when you decrease the EPAP (expiratory positive airway pressure) in the…

A: Noninvasive ventilation (NIV) is a technique used to support breathing in patients with respiratory…

Q: Describe the condition known as pulmonary edema. What effects does this condition have on the…

A: Alveoli are important for the respiratory system. The respiratory system is a part of your body that…

Q: Explain how a change in lung dimensions causes a change in alveolar pressure?

A: The human body is a well built machine in which all the organs coordinate together to make it work.…

Q: What are the side effects of The DPPC molecule at the alveolar gas-liquid interface?

A: Pulmonary surfactant is a complex and important substance produced and stored in alveolar type II…

Q: Explain the effect of O2, CO2, and pH on ventilation.

A: The process of ventilation or breathing is the movement of air through the conducting passages…

Q: Air flows out of the alveoli and into the atmosphere when atmospheric pressure is _____ than…

A: Respiratory system is a body system which is involved in removal of carbon dioxide and entry of…

Q: Why is nitrogen gas not exchanged between the alveoli and the blood in the lung capillaries?

A: In the lungs, the exchange of gases is a crucial process for sustaining life. When we breathe, air…

Q: What does surfactant do?     Improves lung tension and reduces alveolar expansion   Improves…

A: Lungs can be described as important organs associated with the respiratory system as they help in…

Q: Why does lowering the surface tension makes it easier for the alveoli to expand during inflation?

A: Surface tension of a liquid is the force of cohesion of molecules in the liquid. It is the surface…

Q: What is the importance of surfactant in the lungs?   it reduces the surface tension of water in the…

A: Introduction Pulmonary surfactant (PS) is a protein and lipid mixture produced by alveolar type-II…

Q: Explain how the different pressures involved with ventilation change during inspiration in a normal…

A: Breathing is the process of taking air inside the body and exhaling carbon dioxide and other waste…

Q: Draw figures showing the reactions carbon dioxide undergoes entering the blood in the tissue…

A: Carbon dioxide is transported through the blood in three ways. Mainly carbon dioxide diffuses from…

Q: Contrast the processes of inspiration and expiration during ventilation.

A: Respiration is the oxygen movement from the outside environment to the tissues and cells of the…

Q: Type Il alveolar cells: Engulf foreign particles in the alveoli Decreases the diffusion distance of…

A: Respiration is a process of taking oxygen into the body from the environment and giving out carbon…

Q: contrast the composition of inspired and alveolar air;

A: There are two important terms ars inspiration and expiration. Inspiration means breathing in while…

Q: Starting at the larynx, draw in order all the tubes air passes through to reach an alveolus.

A: Respiration is the metabolic process of using oxygen to oxidize foodstuffs and produces energy and…

Q: Alveolar pressure has the following characteristics (select all that apply): O It is always a…

A: lungs is the organ which helps us to breath . it takes in oxygen and gives out carbon dioxide rich…

Q: Describe the work of the diaphragm in ventilation.

A: The term ventilation is associated with the physical process in which gaseous exchange takes place…

Q: Describe the specific events of the ventilation process. Be sure to include all additional…

A: Ventilation has a cyclic pattern. Air flows in and out of the lungs by alternate expansion and…

Q: What is the pressure of gas within the alveoli at the peak of inspiration, just before expiration,…

A: Respiration is a metabolic process through which carbon dioxide is exhaled and Oxygen is inhaled.…

Q: list the strucutures in the respiratory pathway from where air enters the nares to the alveoli

A: Respiratory system in human body can be categorized to respiratory tract and lungs. Respiration is a…

Q: Compare and contrast the following terms: Vital lung capacity and total lung capacity

A: Introduction: The respiratory system of an individual comprises a group of organs involved in…

Q: Atmospheric pressure is less than Sam's alveolar pressure. Which of the following is TRUE? Sam's…

A: Alveolar pressure is the pressure of the air that is present within the alveoli of the lung.…

Q: Why does the alveolar air contain more carbon dioxide and less oxygen than does atmospheric air?

A: Alveoli are the endpoint of lungs and exchange of oxygen from air to blood and carbon dioxide from…

Q: According to Laplace's Law:

A: Laplace's law states that the pressure inside an inflated elastic container with a curved surface is…

Q: trace the flow of air beginning with the air in the atmosphere and ending with the alveoli

A: Breathing occurs in two steps- 1. Inspiration- In this method we take air inside the body. 2.…

Q: Describe how atmospheric and alveolar air differ in composition, and explain these differences.

A: In human respiratory system, the oxygen is inhaled from atmosphere and carbon dioxide is released.…

Q: Why is nitrogen gas not exchanged between the alveoli and the blood in the lung capillaries?

A: The objective of this question is to understand why nitrogen gas is not exchanged between the…

Q: A defect in type 2 alveolar cells would mostly affect Expiration Gas exchange Inspiration

A: During the act of inspiration and expiration, the alveoli can be referred to as the region which…

Q: Describe the relationship between alveolar ventilationand pulmonary capillary perfusion

A: The main function of the lungs is to exchange the gas from the air by pumping in the oxygen and…

Q: Trace the path of air from the nose to the alveoli

A: Respiratory system transports oxygen from inhaled air to the blood and carbon dioxide from the blood…