Question about osmotic pressure of blood plasma

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SUMMARY

The osmotic pressure of blood plasma necessary for water absorption from the interstitium to the capillary bed is determined to be equal to 21 mmHg. This conclusion is drawn from the analysis of the provided options, where option (c) is identified as the correct answer. The discussion emphasizes the importance of understanding osmotic pressure in physiological contexts, particularly in relation to fluid dynamics within the circulatory system.

PREREQUISITES
  • Understanding of osmotic pressure and its physiological significance
  • Basic knowledge of fluid dynamics in biological systems
  • Familiarity with the concept of capillary beds and interstitial fluid
  • Ability to interpret and analyze graphical representations of physiological data
NEXT STEPS
  • Research the role of osmotic pressure in kidney function and fluid balance
  • Study the effects of different osmotic pressures on cellular hydration
  • Explore the relationship between osmotic pressure and blood pressure regulation
  • Learn about the clinical implications of osmotic pressure in conditions like edema and dehydration
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Students in biology or medicine, healthcare professionals, and anyone interested in the physiological mechanisms of fluid balance and osmotic pressure in the human body.

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Homework Statement



The osmotic pressure (π) of the blood plasma necessary to induce absorption of water from interstitium (outside) to the capillary bed under circumstances shown on the picture (attached) has to be
a. Less than 20 mmHg
b. Between -1 and 20 mmHg
c. Equal to 21 mmHg
d. Greater than 21 mmHg

Homework Equations



see below

The Attempt at a Solution



I'm guessing the correct answer is (c) equal to 21.
Something like (20+1)-(?-0)... Am I on the right track, or completely wrong?
 

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  • Skjermbilde 2012-05-31 kl. 09.36.34.png
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