How Well Do You Know the Lymphatic System?

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Questions and Answers

Which of the following is responsible for circulating lymph throughout the body?

  • Muscular system
  • Nervous system
  • Blood vascular system
  • Lymph vascular system (correct)

True or false:The thymus gland is located in the posterior superior mediastinum.

False (B)

True or false:The lymphatic system circulates blood throughout the body.

False (B)

Where is the thymus located in the body?

<p>Anterior superior mediastinum (D)</p> Signup and view all the answers

True or false: The lymphatic system plays a role in maintaining the volume of intracellular fluid.

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

What is the role of the lymphatic system in maintaining extracellular fluid volume?

<p>Transporting lymphocytes and antibodies (D)</p> Signup and view all the answers

What are the two main subdivisions of the thymus?

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

True or false: Both the cortex and medulla of the thymus contain reticular epithelial cells.

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

True or false: The lymphatic system consists of lymphatic vessels and lymphoid organs.

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

What are Hassal's corpuscles?

<p>Special and specific bodies present in the thymic cortex (A)</p> Signup and view all the answers

What are the two components of the lymphatic system?

<p>Lymphatic vessels and lymphoid organs (D)</p> Signup and view all the answers

True or false: Hassal's Corpuscles are present in the cortex of the thymus.

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

True or false: The thymus gland is responsible for reducing B-lymphocytes.

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

Which type of vessels convey fluids from tissues to the bloodstream in the lymphatic system?

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

What is the primary function of thymocytes?

<p>To generate T lymphocytes (B)</p> Signup and view all the answers

True or false: Lymph nodes filter bacteria and foreign particles from blood.

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

True or false: Lymph nodes produce lymphocytes and plasma cells.

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

What is the function of lymph nodes in the lymphatic system?

<p>To filter bacteria and foreign particles from lymph fluid (B)</p> Signup and view all the answers

True or false: The spleen is the largest lymph organ in the body, but not the largest haem organ.

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

Where is the spleen located in the body?

<p>Under the left half of the diaphragm (A)</p> Signup and view all the answers

What is the function of the red pulp in the spleen?

<p>To filter blood and remove old red blood cells (A)</p> Signup and view all the answers

True or false: The lymphatic system has vessels in the central nervous system.

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

Which two lymph ducts are present in the lymphatic system?

<p>Thoracic and right lymphatic ducts (B)</p> Signup and view all the answers

True or false: Both the red pulp and white pulp of the spleen contain lymphocytes.

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

True or false: The lingual tonsils are located at the front of the throat.

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

In which parts of the body does the lymphatic system not have vessels?

<p>Central nervous system and bone (D)</p> Signup and view all the answers

What is the composition of tonsils?

<p>Connective tissue similar to lymph nodes (A)</p> Signup and view all the answers

True or false: Lymph flows away from tissues to lymph nodes and eventually to subclavian veins.

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

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Study Notes

  • The lymph vascular system circulates lymph throughout the body and returns extracellular fluid to the blood.
  • It plays a role in maintaining the volume of extracellular fluid and transports lymphocytes and antibodies.
  • The system consists of lymphatic vessels and lymphoid organs.
  • Lymphatic vessels convey fluids from tissues to the bloodstream and have lymph capillaries and collecting vessels.
  • Lymph nodes are small bodies that filter bacteria and foreign particles from lymph fluid.
  • Lymph nodes have a cortex and medulla, surrounded by a thick capsule.
  • The nodes produce lymphocytes and plasma cells and have immunological functions.
  • There are two lymph ducts: the thoracic and right lymphatic ducts.
  • Lymph flows away from tissues to lymph nodes and eventually to subclavian veins.
  • The lymphatic system does not have vessels in the central nervous system, cartilage, bone, or epidermis.

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