Quiz 5 (Chapter 20: The Lymphatic System and Lymphoice Structures and Organs) – Flashcards
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Small organs associated with lymphatic vessels are termed ________.
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lymph nodes
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Which of the following would not be classified as a lymphatic structure?
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pancreas
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Which of the following statements regarding the thymus is not true?
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It has follicles similar to those in the spleen.
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Lymph transport involves all but which of the following?
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smooth muscle contraction in the lymph capillary walls
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The thymus is most active during _______.
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childhood
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Which lymphatic structure drains lymph from the right upper limb and the right side of the head and thorax?
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right lymphatic duct
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Which of the following is not a part of the lymphatic system?
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erythrocytes
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The lymphatic capillaries are _______.
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more permeable than blood capillaries
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Antibodies that act against a particular foreign substance are released by________.
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plasma cells
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Lymph leaves a lymph node via ________.
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efferent lymphatic vessels
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Which cells become immunocompetent due to thymic hormones?
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lymphocytes
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Functions of the spleen include all of those below except _________.
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forming crypts that trap bacteria
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When the lymphatic structures of a limb are blocked due to tumors, the result is _________.
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severe localized edema distal to the blockage of that limb
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Select the correct statement about lymph transport.
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Lymph transport depends on the movement of adjacent tissues, such as skeletal muscles.
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Select the correct statement about lymphocytes.
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B cells produce plasma cells, which secrete antibodies into the blood.
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Select the correct statement about lymphoid tissue.
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Lymphoid tissue is predominantly reticular connective tissue.
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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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tonsil
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Which of the following does not contain a mucosa-associated lymphatic tissue?
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thymus
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Peyer's patches are found in the ________.
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ileum of the small intestine
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Lymph capillaries are absent in all except which of the following?
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digestive organs
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What is a bubo?
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an infected lymph node
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The thymus is the only lymphoid organ that does not ________.
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directly fight antigens
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Large clusters of lymph nodes occur in all of the following locations except the ________.
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lower extremities
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Digestive tract-associated lymphatic tissue includes all of the following except _________.
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islets of Langerhans
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Which of the following is not a method that maintains lymph flow?
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capillary smooth muscle contraction
