Lymph Formation 1
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Questions and Answers

What is the main component of lymph?

  • Water (correct)
  • Protein molecules
  • White Blood Cells
  • Electrolytes
  • Which type of oedema occurs when the amount of fluid in the interstitial spaces exceeds lymphatic transport capacity?

  • Deep vein thrombosis
  • Mechanical Insufficiency
  • Chronic venous insufficiency
  • Dynamic Insufficiency (correct)
  • What are the contents of lymph?

  • Water, Electrolytes, Platelets, Protein molecules
  • Water, Electrolytes, Bacteria, Protein molecules
  • Water, Electrolytes, White Blood Cells, Protein molecules (correct)
  • Water, Electrolytes, Red Blood Cells, Protein molecules
  • What causes high capillary pressure?

    <p>Right ventricular failure, Chronic venous insufficiency, Deep vein thrombosis</p> Signup and view all the answers

    What causes decreased plasma oncotic pressure?

    <p>Dietary deficiencies, liver disease, kidney disease</p> Signup and view all the answers

    What causes increased permeability of capillaries?

    <p>Trauma, Allergy, Acute infection, Lipoedema (increased tissue compliance), Pregnancy, Menstruation</p> Signup and view all the answers

    According to Starling's principle, which of the following is true about hydrostatic pressure in the capillary bed?

    <p>It is highest at the arterial end</p> Signup and view all the answers

    What is the role of oncotic pressure in the capillary bed?

    <p>It draws water towards solutes</p> Signup and view all the answers

    Under normal circumstances, what happens to the excess fluid that is not reabsorbed in the capillary bed?

    <p>It is taken up by the lymphatic system</p> Signup and view all the answers

    According to Starling's findings, why is there an excess of fluid in the interstitial spaces?

    <p>The lymphatic capillaries are unable to reabsorb all of the fluid</p> Signup and view all the answers

    What is the pressure difference at the arteriole end of the capillary bed?

    <p>10 mmHg into the interstitial space</p> Signup and view all the answers

    According to Starling's Principle, what is the net movement of fluid at the venule end of the capillary bed?

    <p>Absorption</p> Signup and view all the answers

    What factors determine the movement and quantity of fluid in the capillary bed?

    <p>Fluid permeability and solute permeability</p> Signup and view all the answers

    What is the approximate amount of fluid that is not reabsorbed and taken up by the lymphatic system per day?

    <p>3L</p> Signup and view all the answers

    Which type of oedema occurs when there is disruption to the process of fluid uptake into the lymphatic system?

    <p>Dynamic Insufficiency</p> Signup and view all the answers

    What causes decreased plasma oncotic pressure in the capillary bed?

    <p>Liver disease</p> Signup and view all the answers

    What causes increased permeability of capillaries in the capillary bed?

    <p>Trauma</p> Signup and view all the answers

    According to Starling's principle, what is the net movement of fluid at the arteriole end of the capillary bed?

    <p>Filtration into the interstitial space</p> Signup and view all the answers

    According to Starling's Principle, what is the net movement of fluid at the venule end of the capillary bed?

    <p>Fluid is reabsorbed into the capillary bed</p> Signup and view all the answers

    Under normal circumstances, what happens to the excess fluid that is not reabsorbed in the capillary bed?

    <p>It is taken up by the lymphatic system</p> Signup and view all the answers

    Which of the following is NOT a cause of high capillary pressure in the capillary bed?

    <p>Liver disease</p> Signup and view all the answers

    What is the normal value for capillary pressure?

    <p>32 mmHg. 14mmHg</p> Signup and view all the answers

    What is the normal value for plasma oncotic pressure?

    <p>25 mmHg</p> Signup and view all the answers

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