Egan's Chapter 11. Ventilation questions with correct answers

Main function of the lungs: Answer To supply the body with oxygen and to remove carbon dioxide. Ventilation Answer The process of moving gas in and out of the lungs. How is ventilation distinguished from respiration? Answer Respiration refers to the physiologic process of O2 use at the cellular level. Two phases of ventilation: Answer Inspiration and expiration. Tidal Volume (VT) Answer The volume of gas that moves in and out of the respiratory tract during inspiration and expiration. Oxygen is supplied based on what? Answer To supply the metabolic needs. Pressure gradient Answer Used to understand the gas flow into and out of the alveoli during breathing. When do the lungs distend? Answer To move air in and out of the lungs the lungs must be distended. Distention of the lungs requires? Answer Several opposing factors.