How well do you know about the lymphoid organs and defense systems of the body?

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Questions and Answers

Which lymphoid organ is responsible for filtering and cleansing blood, destroying worn-out red blood cells, and storing platelets?

  • Peyer's patches
  • Thymus gland
  • Spleen (correct)
  • Tonsils

Which lymphoid organ is responsible for producing thymosin that develops active T-lymphocytes?

  • Thymus gland (correct)
  • Spleen
  • Peyer's patches
  • Tonsils

Which lymphoid organ produces thymosin that develops active T-lymphocytes?

  • Spleen
  • Thymus gland (correct)
  • Peyer's patches
  • Tonsils

Which lymphoid organ is involved in early detection of invaders and contains B and T-lymphocytes?

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

Which lymphoid tissue is located in the wall of the small intestine and contains macrophages to capture and destroy bacteria?

<p>Peyer's patches (A)</p> Signup and view all the answers

What is the function of tonsils?

<p>To trap and remove pathogens (C)</p> Signup and view all the answers

Which lymphoid organ is characterized by predominance of reticular connective tissue and lymphocytes?

<p>Spleen (A)</p> Signup and view all the answers

Which lymphoid organ is the largest and filters and cleanses blood, destroys worn-out red blood cells, and stores platelets?

<p>Spleen (A)</p> Signup and view all the answers

Which lymphoid tissue contains B and T-lymphocytes and is involved in early detection of invaders?

<p>MALT (A)</p> Signup and view all the answers

What is the function of Peyer's patches?

<p>To capture and destroy bacteria (C)</p> Signup and view all the answers

Which lymphoid organ functions to trap and remove pathogens and is located around the pharynx?

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

Which defence system includes the skin, mucous membranes, phagocytic white cells, anti-microbial proteins, and inflammatory response and fever?

<p>Nonspecific defence system (A)</p> Signup and view all the answers

Which defence system fights foreign pathogens using phagocytic white cells, anti-microbial proteins, and inflammatory response and fever?

<p>Nonspecific defence system (B)</p> Signup and view all the answers

Which type of connective tissue predominates in lymphoid organs?

<p>Reticular connective tissue (A)</p> Signup and view all the answers

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Study Notes

  1. Lymphoid organs include the spleen, thymus gland, tonsils, Peyer's patches, and scattered lymphatic tissue.
  2. Lymphoid organs are characterized by predominance of reticular connective tissue and lymphocytes.
  3. Only lymph nodes filter lymph.
  4. The spleen is the largest lymphoid organ and filters and cleanses blood, destroys worn-out red blood cells, and stores platelets.
  5. The thymus gland produces thymosin that develops active T-lymphocytes.
  6. MALT (mucosa-associated lymphoid tissue) contains B and T-lymphocytes and is involved in early detection of invaders.
  7. Tonsils are small masses of lymphatic tissue that surround the pharynx and function to trap and remove pathogens.
  8. Peyer's patches are located in the wall of the small intestine and contain macrophages to capture and destroy bacteria.
  9. The body has two defence systems to fight foreign pathogens: nonspecific and specific.
  10. The nonspecific defence system includes the skin, mucous membranes, phagocytic white cells, anti-microbial proteins, and inflammatory response and fever, while the specific defence system includes lymphocytes and antibodies.

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