13 Questions
What is the primary function of the lymphatic system?
Draining excess fluid and protein from the interstitial tissue back into the blood
What is the relationship between plasma, interstitial fluid, and lymph?
Lymph is formed when interstitial fluid flows through the lymphatic vessels
Where do lymphatic vessels originate?
In spaces between the cells called lymph capillaries
What is the composition of lymph in comparison to plasma?
Lymph contains less protein than plasma
What is the role of lymphocytes in the body?
Protecting the body through immune responses
Why do larger protein molecules not easily filter through the walls of capillaries?
The cells that form the capillary walls restrict their passage
Which of the following statements about lymphatics is true?
Lymphatics have thicker walls and fewer valves than veins
What is the function of the hilus within a lymph node?
It is where blood vessels and efferent lymphatic vessels leave the node
Where are lymphocytes found in the body?
Scattered in the linings of the gastrointestinal, respiratory, urinary, and reproductive tracts
What is the role of the medulla in a lymph node?
It contains macrophages and plasma cells
Which statement about tonsils is accurate?
Tonsils are arranged in a ring at the junction of the oral cavity and pharynx
What is a significant function of the spleen?
Filtration of lymph
How does lymph flow through the lymph nodes?
Efferent lymphatic vessels $ ightarrow$ Sinuses $ ightarrow$ Afferent lymphatic vessels
This quiz covers the components and functions of the lymphatic system, including lymph, lymphatic vessels, and lymphoid tissue. It also delves into the functions of the lymphatic system, such as draining excess fluid, transporting fat, and producing lymphocytes for body protection.
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