#1
Which organ is primarily responsible for filtering lymph?
Spleen
ExplanationThe spleen is the primary organ responsible for filtering lymphatic fluid.
#2
What is the main function of the lymphatic system?
Fighting infection
ExplanationThe main function of the lymphatic system is to fight and prevent infections in the body.
#3
What is the role of lymphatic vessels in the body?
Draining excess interstitial fluid
ExplanationLymphatic vessels drain excess interstitial fluid from tissues, maintaining fluid balance.
#4
Which of the following is a function of lymphatic fluid?
Transporting waste products
ExplanationLymphatic fluid transports waste products and cellular debris away from tissues for elimination.
#5
Which of the following is not a primary lymphoid organ?
Spleen
ExplanationThe spleen is considered a secondary lymphoid organ, not a primary one.
#6
What is the function of lymph nodes in the lymphatic system?
Filtering lymph
ExplanationLymph nodes play a crucial role in filtering and trapping harmful substances in lymphatic fluid.
#7
Where are Peyer's patches primarily found in the body?
Small intestine
ExplanationPeyer's patches, part of the lymphatic system, are primarily located in the small intestine.
#8
What is the function of the thoracic duct in the lymphatic system?
Draining lymph from the lower body and left side of the upper body
ExplanationThe thoracic duct drains lymph from the lower body and the left side of the upper body into the bloodstream.
#9
Which of the following is true about lymphatic capillaries?
They are more permeable than blood capillaries
ExplanationLymphatic capillaries have higher permeability, allowing larger particles, including proteins, to enter.
#10
Which of the following is not a lymphocyte?
Monocyte
ExplanationMonocytes are a type of white blood cell but not classified as lymphocytes.
#11
Where do lymphatic vessels ultimately drain lymph?
Into the bloodstream
ExplanationLymphatic vessels ultimately drain lymph into the bloodstream, completing the circulatory cycle.
#12
Which of the following is NOT a function of the spleen?
Producing digestive enzymes
ExplanationThe spleen does not produce digestive enzymes; its main functions involve blood filtration and immune response.