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Had Ed given Ms. M.B. a sucrose solution instead of water, he might have helped her. What concentration sucrose solution should he have administered to leave her RBC volume unaffected?

Had Ed given Ms. M.B. a sucrose solution instead of water, he might have helped her. What concentration sucrose solution should he have administered to leave her RBC volume unaffected?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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How to do problem 5? I am struggling learning osmolarity calculations and I have not had a very clear explination at all from my lecture notes.
## Case Study: Ms. M.B's Plasma Condition ### Calculation Annotations - The first calculation involves determining the osmolarity of RBCs (Red Blood Cells): ``` RBC: 600 mOsm 600 ÷ 2.4L = 250 mOsm RBC ``` - The second calculation determines the osmolarity of plasma: ``` 900 mOsm ÷ 3.6L = 250 mOsm Plasma ``` ### Scenario Description Ms. M.B experienced a deterioration in her condition following Ed's treatment, prompting the resident's intervention. Blood was drawn from the patient and subsequently centrifuged. The denser red blood cells settled at the bottom of the tube, resulting in a pink supernatant plasma. To address this, the resident decided to infuse a sucrose solution into the plasma. It is important to note that the RBC membrane is impermeable to sucrose. ### Questions and Analysis 4. **Why was the patient’s plasma pink?** - **Answer:** The patient's plasma is pink because... 5. **Had Ed given Ms. M.B. a sucrose solution instead of water, he might have helped her. What concentration sucrose solution should he have administered to leave her RBC volume unaffected?**
Transcribed Image Text:## Case Study: Ms. M.B's Plasma Condition ### Calculation Annotations - The first calculation involves determining the osmolarity of RBCs (Red Blood Cells): ``` RBC: 600 mOsm 600 ÷ 2.4L = 250 mOsm RBC ``` - The second calculation determines the osmolarity of plasma: ``` 900 mOsm ÷ 3.6L = 250 mOsm Plasma ``` ### Scenario Description Ms. M.B experienced a deterioration in her condition following Ed's treatment, prompting the resident's intervention. Blood was drawn from the patient and subsequently centrifuged. The denser red blood cells settled at the bottom of the tube, resulting in a pink supernatant plasma. To address this, the resident decided to infuse a sucrose solution into the plasma. It is important to note that the RBC membrane is impermeable to sucrose. ### Questions and Analysis 4. **Why was the patient’s plasma pink?** - **Answer:** The patient's plasma is pink because... 5. **Had Ed given Ms. M.B. a sucrose solution instead of water, he might have helped her. What concentration sucrose solution should he have administered to leave her RBC volume unaffected?**
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