Questions and Answers
Which of the following correctly describes the pathway of lymph?
Lymph traveling from the left arm would enter the venous circulation via the _______.
thoracic duct
Which of the following is NOT a part of the lymphatic system?
Lymph vessels do NOT transport ________.
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When the lymphatic structures of a limb are blocked due to tumors, the result is ________.
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Select the correct statement about lymph transport.
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Lymphatic capillaries are present in ________.
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Which of the following is NOT a method that maintains lymph flow?
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Which of the following is NOT a function of the lymphatic system?
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From the right leg, lymph moves in which order?
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Lymphatic ________ are formed from the union of the largest collecting lymphatic vessels.
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Fats absorbed from the small intestine are transported to the bloodstream via ________.
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Which of the following would NOT be classified as a lymphoid organ?
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The lymphatic capillaries are ________.
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Select the correct statement about lymphocytes.
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Select the correct statement about lymphoid tissue.
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Which of the following is considered a primary lymphoid organ?
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Although B and T lymphocytes originate in the bone marrow, T cells mature in the ________.
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Small secondary lymphoid organs, which cluster along lymphatic vessels, are termed ________.
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Lymph leaves a lymph node via ________.
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What is a bubo?
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Large clusters of lymph nodes are NOT found in the ________ region.
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Flow of lymph through a lymph node is slowed due to ________.
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Antibodies that act against a particular foreign substance are released by ________.
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Functions of the spleen include all of those below EXCEPT ________.
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Which of the following is NOT a function of the spleen?
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Which of the following statements is FALSE regarding the spleen?
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Lymphoid tissue that appears as a swelling of the mucosa in the oral cavity is called a(n) ________.
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Which of the following structures is NOT considered mucosa-associated lymphoid tissue (MALT)?
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Peyer's patches are found in the distal portion of the ________.
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Mucosa-associated lymphoid tissues include all of the following EXCEPT ________.
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The tonsils located at the base of the tongue are the ________.
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Tonsils have blind-ended structures called ________ that trap bacteria and particulate matter.
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Which of the following statements regarding the thymus is FALSE?
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The thymus is most active during ________.
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The thymus is the only lymphoid organ that does NOT ________.
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Study Notes
Lymphatic Pathway
- Lymph moves from lymphatic capillaries to lymphatic vessels, then to lymphatic trunks, and finally to lymphatic ducts.
- Lymph from the left arm enters venous circulation via the thoracic duct.
Components of the Lymphatic System
- Erythrocytes are not a part of the lymphatic system.
- Lymph vessels do not transport erythrocytes or respiratory gases.
Lymphatic Obstruction
- Blockage of lymphatic structures in a limb due to tumors results in severe localized edema distally.
Lymph Transport Mechanisms
- Lymph transport relies on the movement of adjacent tissues, such as skeletal muscles.
- Capillary smooth muscle contraction is NOT a method maintaining lymph flow.
Lymphatic Capillaries and Organs
- Lymphatic capillaries are more permeable than blood capillaries and are present in digestive organs.
- Lymphoid organs include the thymus but exclude the pancreas and the spleen regarding specific functions.
Lymphocyte Function
- B cells, upon activation, produce plasma cells that secrete antibodies into the bloodstream.
- T cells mature in the thymus after originating in the bone marrow.
Lymph Nodes
- Small secondary lymphoid organs along lymphatic vessels are known as lymph nodes; they filter lymph.
- Lymph leaves a lymph node via efferent lymphatic vessels.
- The flow of lymph through lymph nodes is slowed by having fewer efferent vessels compared to afferent vessels.
- A bubo refers to an infected lymph node.
Spleen Functions
- The spleen does not produce new erythrocytes in adults or form crypts to trap bacteria.
- Red pulp is primarily associated with blood filtration, not immune functions.
Mucosa-Associated Lymphoid Tissue (MALT)
- Peyer's patches are found in the distal small intestine.
- Tonsils, including lingual tonsils, exhibit tonsillar crypts that trap bacteria.
- Thymus is not classified as MALT.
Thymus Characteristics
- The thymus is inactive post-childhood and does not contain follicles similar to those in the spleen.
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Test your knowledge on the lymphatic system with these flashcards focusing on key concepts from Chapter 20 of Anatomy & Physiology 2. Assess your understanding of lymph pathways, components, and functions to enhance your learning experience in A&P. Perfect for students preparing for exams or quizzes!