Lymphatic System Quiz

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Questions and Answers

What is the function of the lymphatic system?

  • To produce new blood cells
  • To regulate body temperature
  • To return fluid from the tissues to be recirculated (correct)
  • To synthesize hormones

Where does lymph ultimately empty into?

  • Right or left subclavian vein (correct)
  • Hepatic portal vein
  • Pulmonary artery
  • Renal vein

What does lymph transport from the digestive system to the blood?

  • Vitamins via triglycerides
  • Proteins via amino acids
  • Fats via chylomicrons (correct)
  • Carbohydrates via lipoproteins

What is the origin of the word 'lymph'?

<p>The name of the ancient Roman deity of fresh water, Lympha (A)</p> Signup and view all the answers

What is the composition of lymph when it leaves a lymph node?

<p>Richer in lymphocytes than blood plasma (C)</p> Signup and view all the answers

What gives chyle its milky white appearance?

<p>Triglycerides (fat) (C)</p> Signup and view all the answers

What is the intermediary for exchange of constituents between blood and tissue cells?

<p>Interstitial fluid (D)</p> Signup and view all the answers

Where does interstitial fluid form at the arterial end of capillaries?

<p>Due to the higher pressure of blood compared to veins (B)</p> Signup and view all the answers

What is the composition of lymph when it is formed?

<p>Watery clear liquid with the same composition as the interstitial fluid (B)</p> Signup and view all the answers

What is the main function of lymph in relation to proteins and interstitial fluid?

<p>Returns proteins and excess interstitial fluid to the bloodstream (C)</p> Signup and view all the answers

What is the main method of lymph movement?

<p>Peristalsis (B)</p> Signup and view all the answers

What prevents the backward flow of lymph along the vessels?

<p>Valves (B)</p> Signup and view all the answers

What is the average lymph flow in the thoracic duct in an average resting person?

<p>Approximately 100ml per hour (B)</p> Signup and view all the answers

What is the role of histopathological examination of the lymph system?

<p>Used as a screening tool for immune system analysis (A)</p> Signup and view all the answers

What did Ross Granville Harrison demonstrate the growth of in a medium of clotted lymph?

<p>Frog nerve cell processes (A)</p> Signup and view all the answers

What did E. Steinhardt, C. Israeli, and R. A. Lambert grow in fragments of tissue culture from guinea pig cornea grown in lymph?

<p>Vaccinia virus (B)</p> Signup and view all the answers

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