* not completed

. If a sample of red blood cells were to be placed in the solution discussed in question 1 above, what would happen? Would they:

Swell and burst correct incorrect

Stay the same size correct incorrect

Shrink by 20% correct incorrect

Swell slightly correct incorrect

* not completed

. If a sample of red blood cells were to be placed in the solution discussed in question 3 above, what would happen? Would they:

Swell by 10% correct incorrect

Shrink by 10% correct incorrect

Stay the same size correct incorrect

Swell and burst correct incorrect

* not completed

. There are approximately 6.15 g of NaCl per liter of plasma, what is the osmolality contributed by the NaCl? (Mr 58.4)

105 mOsmol l^-1 correct incorrect

210 mOsmol l^-1 correct incorrect

300 mOsmol l^-1 correct incorrect

150 mOsmol l^-1 correct incorrect

* not completed

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

6.5 mOsmol l^-1 correct incorrect

0.05 mOsmol l^-1 correct incorrect

0.65 Osmol l^-1 correct incorrect

0.65 mOsmol l^-1 correct incorrect

* not completed

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

101 kPa correct incorrect

1.9 kPa correct incorrect

19 kPa correct incorrect

5.3 kPa correct incorrect

* not completed

. What is the relative molecular mass of lactose (C₁₂H₂₂O₁₁) (C=12, H=1 and O=16 a. u.)

201 a.u. correct incorrect

342 a.u. correct incorrect

29 a.u. correct incorrect

350 a.u. correct incorrect