HomeCoursesMEDSCI 142: Organ SystemsLecture 25 Lecture 25 0% Question 1 of 28 What is Dalton’s law? = P - the sum of all partial pressures. What is Dalton’s law? = P - the sum of all partial pressures. Question 1 of 28Question 2 of 28 How does Dalton’s law relate to atmospheric pressure? = Atmospheric pressure is the sum of all the pressures of the components of air. How does Dalton’s law relate to atmospheric pressure? = Atmospheric pressure is the sum of all the pressures of the components of air. Question 2 of 28Question 3 of 28 What does equilibrium of gas in solution mean? = The solubility of atmospheric pressure. What does equilibrium of gas in solution mean? = The solubility of atmospheric pressure.Question 3 of 28Question 4 of 28 What is partial pressure? = The pressure required to prevent gas leaving a liquid. (P/Area) What is partial pressure? = The pressure required to prevent gas leaving a liquid. (P/Area) Question 4 of 28Question 5 of 28 What is Henry’s Law? = C equle __? PA. What is Henry’s Law? = C equle __? PA. Question 5 of 28Question 6 of 28 What is the percentage of O2 dissolved in blood? = 2%. What is the percentage of O2 dissolved in blood? = 2%. Question 6 of 28Question 7 of 28 What is the percentage of O2 dissolved in blood by being attached to Hb? = 98%. What is the percentage of O2 dissolved in blood by being attached to Hb? = 98%.Question 7 of 28Question 8 of 28 List the stages of cooperative binding? = Easy to hard 2-3-1-4. List the stages of cooperative binding? = Easy to hard 2-3-1-4. Question 8 of 28Question 9 of 28 What does sigmoidal mean? = ‘S’ shape. What does sigmoidal mean? = ‘S’ shape. Question 9 of 28Question 10 of 28 Draw the sigmoidal HbO2 equilibrium relation? = Graph: Draw the sigmoidal HbO2 equilibrium relation? = Graph: Question 10 of 28Question 11 of 28 What is the maximum amount of O2 dissolved in 1L of blood? = 200 ml. What is the maximum amount of O2 dissolved in 1L of blood? = 200 ml. Question 11 of 28Question 12 of 28 At what PAO2 does this occur? = 100mm Hg. At what PAO2 does this occur? = 100mm Hg. Question 12 of 28Question 13 of 28 When does the saturation of O2 in Hb begin to steeply decline? = 40mm Hg. When does the saturation of O2 in Hb begin to steeply decline? = 40mm Hg. Question 13 of 28Question 14 of 28 How saturated is blood returning to the lungs at rest? = 70%. How saturated is blood returning to the lungs at rest? = 70%. Question 14 of 28Question 15 of 28 How saturated is blood returning during exercise? = 25%. How saturated is blood returning during exercise? = 25%. Question 15 of 28Question 16 of 28 How does pH affect the equilibrium relation? = Shifts to the right (less affinity) as pH decrease. How does pH affect the equilibrium relation? = Shifts to the right (less affinity) as pH decrease. Question 16 of 28Question 17 of 28 How does the PaCO2 affect equilibrium relation? = Shifts to the right (less affinity) as Pa CO2 increase. How does the PaCO2 affect equilibrium relation? = Shifts to the right (less affinity) as Pa CO2 increase. Question 17 of 28Question 18 of 28 How does the temperature affect equilibrium relation? = Shifts to the right (less affinity) as temp increase. How does the temperature affect equilibrium relation? = Shifts to the right (less affinity) as temp increase. Question 18 of 28Question 19 of 28 When do all these occur? = Exercise. When do all these occur? = Exercise. Question 19 of 28Question 20 of 28 What is the beneficial effect of this? = O2 delivered to tissues, CO2 delivered to lungs. What is the beneficial effect of this? = O2 delivered to tissues, CO2 delivered to lungs. Question 20 of 28Question 21 of 28 How do anaemia and CO poisoning affect HbO2 equilibrium? = Lessen saturation values. (Graph) How do anaemia and CO poisoning affect HbO2 equilibrium? = Lessen saturation values. (Graph) Question 21 of 28Question 22 of 28 What present at CO2 in blood is dissolved in simple solution? = What present at CO2 in blood is dissolved in simple solution? = Question 22 of 28Question 23 of 28 How much is HbCO2? = How much is HbCO2? = Question 23 of 28Question 24 of 28 How much is HCO3-? = How much is HCO3-? = Question 24 of 28Question 25 of 28 How is CO2 excreted from the blood? = Lungs/kidneys. How is CO2 excreted from the blood? = Lungs/kidneys. Question 25 of 28Question 26 of 28 How is CO2 excreted from the body? = Exhalation/urination. How is CO2 excreted from the body? = Exhalation/urination. Question 26 of 28Question 27 of 28 What is the max CO2 in blood? = 600ml. What is the max CO2 in blood? = 600ml. Question 27 of 28Question 28 of 28 How does O2 saturated affect HbCO2 saturation? = As HbO2 (increase) Hbco2 (decrease). How does O2 saturated affect HbCO2 saturation? = As HbO2 (increase) Hbco2 (decrease).Question 28 of 28 Loading...