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(a) How do oxalate and heparin prevent b...

(a) How do oxalate and heparin prevent blood coagulation?

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(a) Oxalate prevent blood coagulation by precipitiang `Ca^(++) `from blood(`Ca^(++)` is necessary for coagulation). Heprin prevent blood coagulation by preventing the formation of active throwbin from inactive prothrombin.
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SANTRA PUBLICATION-BODY FLUIDS AND CIRCULATION-Short answer type questions (PART-A)
  1. Why blood does not coagulate within the body in normal health?

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  2. (a) What are Anticoagulants? (b) Give examples.

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  3. (a) How do oxalate and heparin prevent blood coagulation?

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  4. (a) What are Meghakaryocytes? (b) How are the platelets or thrombocyte...

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  5. What is diapedesis?

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  6. What is Lymph? (b) Mention the functions of lymph.

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  7. (a) What is anaemia? (b) Write the cause of anaemia. (c ) Mention the ...

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  8. (a) What is a living test tube? (b) What will happen when RBC is place...

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  9. (a) What is the normal pH of human blood? (b) Name the blood buffers.

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  10. (a) What is alkalosis of blood ? (b) What are the cause of alkalosis?

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  11. (a) Which blood cell in man becomes smaller or maturity? (b) What is t...

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  12. (a) What are reticulocytes? (b) What are they so-called?

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  13. What are Polymorphs or Polymorphonuclear Leucocyte? (b) Why are they s...

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  14. (a) What is Polythaemia? (b) What is Leucotosis? (c ) What is Leucokae...

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  15. Name (a) Four vitamins and (b) Four minerals required for Erythropoies...

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  16. Name the type of anaemia produced in disorder of stomach or after gast...

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  17. (a) Which gas is prefered more than O(2) for absorption by Haemoglobin...

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  18. What is a clot?

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  19. What is heart failure?

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  20. Why blood pressure rises in old age?

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