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PHGY 209 - Blood lectures Exam Latest Update
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PHGY 209 - Blood lectures ExamLatest Update
How are nutrients, respiratory gases, hormones and waste carried through the blood to
the body? - Answer Via capillaries
What is the acid balance for blood and why is it important to maintain? - Answer 7.3-7.45
-- critical that the blood ph stays in this range -- changing would change the structure of
proteins.
What blood cells are involved in protection? - Answer White Blood cells and plasma
proteins.
If blood is appears homogenous in patients how can we study and distinguish its
aspects? - Answer Treat it to stay in an aqueous state and then centrifuge it which will
cause it to distribute into densities.
How much of the body mass does blood account for? - Answer 7 %
How is the composition of Plasma similar to that of the ISF - Answer both contain 90%
water, both have similar ions -- sodium and chloride mainly. Can also find nutrients,
respiratory gases, and waste in small portion -- constantly being transferred and
exchanged.
How does the composition of plasma and the isf differ? - Answer Plasma contains large
amount of proteins
Plasma Proteins - Answer albumin, globulins, fibrinogen
What is electrophoresis? - Answer the movement of charged particles in a fluid or gel
under the influence of an electric field. -- fractionation
If the plasma is applied at the negative electrode where will the plasma proteins move
and why? - Answer Proteins will have an excess of negative charges so all proteins in
plasma will run towards the positive end.
What dictates how fast the proteins move? - Answer - the number of charges - more
negative charges the faster it will go to the cathode, and the molecular weight - the
heavier the slower.
Which plasma protein moves the fastest on an electrophoresis ? - Answer Albumin
What is specific about the way globulins move on a electrophoresis? - Answer It is
heterogeneous so they all move at different rates.
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