15. CHALLENGE QUESTION I: Smurf hemoglobin has a p50 of 30 torr and has 8 subunits, instead ofthe usual 4. It binds O2 with perfect positive cooperativity. What is the fractional saturation ofSmurf hemoglobin at pO2-37 torr (the partial pressure on top of Smurf mountain)? P Question 29CHALLENGE QUESTION II: Smurf hemoglobin has a p50 of 30 torr and has 8 subunits, instead ofthe usual 4. It binds O2 with perfect positive cooperativity. What is the fractional saturation ofSmurf hemoglobin at pO2-30 torr (the partial pressure in Smurf muscle tissue)?

Fractional saturation(Y) is the ratio of concentration of protein-ligand complex to total…

Answered: CHALLENGE QUESTION I: Smurf hemoglobin…

Cardiopulmonary Anatomy & Physiology

7th Edition

ISBN:9781337794909

Author:Des Jardins, Terry.

Publisher:Des Jardins, Terry.

Chapter2: Ventilation

Section: Chapter Questions

Problem 15RQ: 15. Lung compliance study Part /: If a patient generates a negative pleural pressure change of -8 cm...

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19. In general, when the nonbicarbonate buffer concentration is normal, an acute PaCO2 decrease of 10 mm Hg below 40 mm Hg will be associated with which of the following changes?a. [HCO3-] decreases by approximately 10 mEq/L. b. [HCO3-] decreases by approximately 5 mEq/L. c. [HCO3-] decreases by approximately 2 mEq/L. d. [HCO3-] decreases by approximately 1 mEq/L.
17. In general, when the nonbicarbonate buffer concentration is normal, an acute PaCO2 rise of 10 mm Hg will be associated with which of the following changes?a. [HCO3-] rises by approximately 10 mEq/L. b. [HCO3-] rises by approximately 5 mEq/L. c. [HCO3-] rises by approximately 2 mEq/L. d. [HCO3-] rises by approximately 1 mEq/L.
18. In general, when the nonbicarbonate buffer concentration is normal, an acute PaCO2 rise to a level of 60 mm Hg will be associated with which of the following changes in the [HCO3-]? a. [HCO3-] rises to approximately 34 mEq/L. b. [HCO3-] rises to approximately 31 mEq/L. c. [HCO3-] rises to approximately 26 mEq/L. d. [HCO3-] rises to approximately 25 mEq/L.
19. In general, when the nonbicarbonate buffer concentration is normal, an acute PaCO2decrease of 10 mm Hg below 40 mm Hg will be associated with which of the following changes?a. [HCO3-] decreases by approximately 10 mEq/L. b. [HCO3-] decreases by approximately 5 mEq/L. c. [HCO3-] decreases by approximately 2 mEq/L. d. [HCO3-] decreases by approximately 1 mEq/L.
18. In general, when the nonbicarbonate buffer concentration is normal, an acute PaCO2 rise to a levelof 60 mm Hg will be associated with which of the following changes in the [HCO3-]? a. [HCO3-] rises to approximately 34 mEq/L. b. [HCO3-] rises to approximately 31 mEq/L. c. [HCO3-] rises to approximately 26 mEq/L. d. [HCO3-] rises to approximately 25 mEq/L.
12. Assume a normal female with a resting tidal volume of 400 mL, respiratory rate of 13 breaths/ min, and dead space of 125 mL. When she exercises, which of the following scenarios would be most efficient for increasing her oxygen delivery to the lungs? a) increase respiratory rate to 20 breaths/min but no change in tidal volume b) increase tidal volume to 550 mL but no change in respiratory rate c) increase tidal volume to 500 mL and respiratory rate to 15 breaths/min
21. A 20% increase in which of the following would be most effective in achieving the greatest increase in oxygen content of pulmonary capillary blood in a perfectly homogeneous lung inhaling air at sea level? A) Cardiac output B) Hemoglobin concentration C) Hemoglobin P50 D) Inspired O2 concentration E) Ventilation Please explain the reasoning for each choice. I understand that other choices says its D but please tell me why it's not the other.
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15. Lung compliance study Part /: If a patient generates a negative pleural pressure change of -8 cm during inspiration, and the lungs accept a new volume of 630 mL, what is the compliance of the lungs? Part II: If the same patient, 6 hours later, generates a pleural pressure of -12 cm during inspiration, and the lungs accept a new volume of 850 mL, what is the compliance of the lungs? Part III: In comparing Part II to Part I, the patient's lung compliance is A. increasing. B. decreasing.
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CHALLENGE QUESTION I: Smurf hemoglobin has a p50 of 30 torr and has 8 subunits, instead of the usual 4. It binds O2 with perfect positive cooperativity. What is the fractional saturation of Smurf hemoglobin at pO2=37 torr (the partial pressure on top of Smurf mountain)?