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Practical Biochemistry Blood Module Quiz

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Practical Biochemistry Blood Module Quiz

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Questions and Answers

What is the function of Potassium Oxalate as an anti-coagulant?

It reacts with calcium to form insoluble calcium oxalate and inhibits calcium participation in coagulation. (correct)

It reacts with potassium to form soluble potassium oxalate and aids in blood coagulation.

It reacts with sodium to form insoluble sodium oxalate and prevents clot formation.

It inhibits the actions of various enzymes involved in blood coagulation.

What is the role of Sodium Fluoride as an anti-coagulant?

It inhibits the actions of various enzymes involved in blood coagulation.

It reacts with calcium to form insoluble calcium fluoride and inhibits calcium participation in coagulation. (correct)

It reacts with sodium to form soluble sodium fluoride and aids in blood coagulation.

It reacts with potassium to form insoluble potassium fluoride and prevents clot formation.

What is the effect of Citrate as an anti-coagulant?

It reacts with calcium to form insoluble citrate and aids in blood coagulation.

Sodium or Potassium Citrate + Ca++ → Ca-Citrate (soluble, non-ionizable) (correct)

It inhibits the actions of various enzymes involved in blood coagulation.

It reacts with potassium to form soluble potassium citrate and prevents clot formation.

What is the function of EDTA as an anti-coagulant?

<p>EDTA + Ca++ → soluble undissociable salt preventing liberation of Ca++ (D)</p> Signup and view all the answers

What is the role of Heparin as an anti-coagulant?

<p>Inhibits the actions of various enzymes involved in blood coagulation. (B)</p> Signup and view all the answers

Study Notes

Introduction to Practical Biochemistry Blood Module

The blood module is a part of practical biochemistry
The module covers various topics related to blood biochemistry

Composition of Blood

Plasma is blood without clotting factors, resulting in serum
Red Blood Cells (RBCs) are non-nucleated cells composed of:
- 60-65% water
- 35-40% solids, mainly metallo-chromoprotein (Hemoglobin)

Cell Membrane Composition

Cell membrane or stroma is composed of:
- Protein
- Lipids, such as Lecithin, Cephalin, and Cholesterol
- Semi-permeable membrane

Preparation of Blood Samples

Whole Blood:
- Mixing blood with water leads to hemolysis of RBCs
- Used for analyzing Hb, Lactate, Pyruvate, and Ammonia levels
Serum:
- Blood coagulates in the tube if left for a few minutes
- Centrifugation separates serum from blood components

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Description

Test your knowledge of practical biochemistry with this quiz covering topics such as anti-coagulants, blood hemolysis, colorimetry, hemoglobin derivatives, CHO metabolism, diabetes mellitus, glucose tolerance, and HbA1C.