Lecture 9 Lymphatic System A+P2

Play an AI-generated podcast conversation about this lesson

What percentage of fluid filtered from the bloodstream is reabsorbed?

95%

85% (correct)

70%

60%

What is the main function of lacteals in the small intestine?

To transport dietary lipids (correct)

To produce lymphocytes

To drain excess interstitial fluid

To carry out immune responses

What is unique about the structure of lymphatic capillaries?

They have less permeability than blood capillaries

They have smaller diameters than blood capillaries

They have a thicker wall than blood capillaries

They have a larger diameter and are closed at one end (correct)

What is the purpose of lymphatic vessels?

To return fluid and lipids to the bloodstream Signup and view all the answers

What are the smaller vessels that unite to form lymphatic vessels?

Lymphatic capillaries Signup and view all the answers

Where are lymph nodes located in relation to lymphatic vessels?

Along the length of lymphatic vessels Signup and view all the answers

What type of lymphatic tissue is found in the mucous membranes of the GI, urinary, reproductive tracts, and respiratory airways?

MALT Signup and view all the answers

What is the primary function of Natural Killer cells?

To kill infected cells, tumour cells, viruses, or abnormal cells Signup and view all the answers

What is the result of most inflammatory reactions?

Pus Signup and view all the answers

What is the term for the body's ability to defend against specific bacteria, viruses, toxins, and other foreign substances?

Adaptive immunity Signup and view all the answers

What type of cells are produced in response to specific antigens and can remember that specific antigen?

B Lymphocytes Signup and view all the answers

What is the term for the increased body temperature that results from infection or inflammation?

Fever Signup and view all the answers

What is the primary function of the lymphatic system?

To remove excess filtered fluid from the blood capillaries Signup and view all the answers

Which lymphatic duct drains into the venous blood at the junction of the Left Internal Jugular and Subclavian Veins?

Thoracic Duct Signup and view all the answers

What is the name of the largest single mass of lymphatic tissue in the body?

Spleen Signup and view all the answers

What is the function of the valves in lymphatic vessels?

To prevent backflow of lymphatic fluid Signup and view all the answers

Which lymphatic organ is responsible for maturing B cells and T cells?

Thymus Signup and view all the answers

What is the name of the process by which the spleen removes abnormal blood cells?

Phagocytosis Signup and view all the answers

What is the name of the lymphatic vessel that receives lymph from the right jugular, right subclavian, and right bronchomediastinal trunks?

Right Lymphatic Duct Signup and view all the answers

What is the function of the lymphatic system in immune responses?

To initiate an immune response by activating B cells and T cells Signup and view all the answers

How many lymph nodes are present in the human body?

600 Signup and view all the answers

What is the location of the spleen in the body?

Posterior lateral side of the diaphragm Signup and view all the answers