91. The structure on the figure on the right is A. spleen B. kidney tonsils lymp
ID: 3519822 • Letter: 9
Question
91. The structure on the figure on the right is A. spleen B. kidney tonsils lymph node 92. The organ to the right functions A. to remove excess fluid and maintain fluid balance B. shaped like beans and sends fluid toward the heant C. receives lymph into lymph vessels D. only organ of the lymphatic system that has affereet and efferent E. All of the above are true. 93. The structure labeled is A. efferent lymphatic vessel B. venule C. arteriole D. afferent lymphatic vessel E. lymphatic nodule 94. Identify the structure labeled"4" A. medulla B. inner cortex C outer cortex D. trabeculae E. cortical sinus 95. Identify the structure labeled 7 A. afferent vessel B. efferent vessel C. venule D. arteriole E nerve ALymgh node etery and ven 96. Identify the type of lymphocytes common in area labeled " A. T eells B. B cells C. erythrocytes D. platelets E all of the above 97. Identify the structure labeled "6" A. arteriole B. white pulp C. red pulp D. trabeculae E. cortical sinus
Explanation / Answer
91. The given structure is transverse section of a lymphnode. Lymphnode is divided into outer cortex and inner medulla and dividied into cortical and medullary sinuses. Afferent lymph vessels carry lymph to lymph node from peripheral tissues. Efferent lymph vessels carry lymph from lymph node to venous circulation. Option E is correct.
92. Lymphnodes receive the clear fluid of plasma called lymph and it is interstitial fluid that occurs in tissue spaces and is returned to blood stream by effecrent lymphvessels near heart.Lymphnode filters and removes all bacteria, viruses and cellular debris. The afferent and efferent lymph vessels collect and return the lymph between lymphnode and tissues. Option E is correct.
93. The label '1' is afferent lymph vessel that delivers lymph into tissue spaces from the lymph node. The tissue spaces contain macrophages, dendritic cells and reticulocytes forming mesh like network. option D is correct.
94. The structure '4' is identified as medulla of lymph node. It is the deep core or center of lymph node containing B cells and plasma cells. Option A is correct.
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