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Pocock & Richards: Human Physiology 3e

Chapter 02

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Instructions

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Question 01

If a sample of red blood cells were placed in a solution of 18g l-1 of urea (Mr 60.1) would they:

Question 02

If a sample of red blood cells were placed in a solution of 9 g l-1 of NaCl (Mr 58.4) would they:

Question 03

There are approximately 6.15 g of NaCl per liter of plasma, what is the osmolality contributed by the NaCl?

Question 04

Calculate the osmolarity (in mOsmoles per liter) of a solution of 45 g of albumin in a liter of water (Mr of albumin 69,000).

Question 05

What is the osmotic pressure (in kPa) of a solution containing 50 g of albumin in a liter of water at body temperature (310 K)? (Hint: RT = 2577 J mole-1 and 1 liter = 0.001 m3)?