- what are the 2 divisions of the central nerviness system
- what are the 2 divisions of the peripheral nerviness system
- what are the 2 divisions of the internal peripheral nerviness system
- what is aromatic nervous system important in the contral of
- relationship between the sympathetic Nervous System and the parasympathetic nervous system
- what are the part of the external peripheral nerviness system
- what is the goal of the sympathetic Nervous System and the parasympathetic nervous system
- The lymphatic vessels and lymph nodes do NOT appear until shortly before birth. True False
- A Vessels leading into lymph nodeB A large, baglike sinus leading into a number of smaller sinusesC The indented region on the concave side of the node leading into the efferent vesselsD Vessels leaving the lymph node5.1 Afferent lymphatic vessels 5.2 Subcapsular sinus 5.3 Hilus 5.4 Efferent lymphatic vessels
- With the exception that venous return is aided by the pumping of the heart, the same mechanisms that promote venous return in blood vessels act in lymph vessels to promote movement of fluid. True False
- Lymphoid organs are composed of reticular connective tissue. True False
- The exact pattern of the lymphoid tissues differs in the various lymphoid organs. True False
- A Deep cortexB Within germinal centerC Medullary cordsD Lymph sinusE Surrounding the germinal center7.1 B cell 7.2 T cell 7.3 Dendritic cells 7.4 Plasma cells 7.5 Macrophages
- MALT is found in the bronchi. True False
- The right bronchomediastinal trunk drains into the thoracic duct. True False
- A Causes T cells to become immunocompetentB Large collections of bean-shaped structures in the inguinal, axillary, and cervical regionsC A tubular offshoot from the cecumD The simplest lymphoid organsE A filter and reservoir for the blood2.1 Appendix 2.2 Lymph nodes 2.3 Spleen 2.4 Thymus 2.5 Tonsils
- A Provides a large, blood-filled site for lymphocyte proliferation and immune surveillance and response; cleanses the bloodB Important in early years of life by training T lymphocytes to become immunocompetentC Destroy bacteria in appendix; generate "memory" lymphocytes for long term memory in intestineD Guard the throat by "inviting" bacteria into the lymphatic system and destroying themE Protects the digestive and respiratory tracts from never-ending onslaughts of foreign matter entering mucosa lined cavities8.1 MALT 8.2 Peyer's patches 8.3 Tonsils 8.4 Thymus 8.5 Spleen
- Lymph capillaries have the same structure and function as capillaries of the circulatory system. True False
- Lymphoid cells include macrophages, dendritic cell, and lymphocytes. True False
- A Same three tunics as veins; second smallest lymph vesselsB Begin as blind-ended tubes that weave between tissue cells and blood capillaries in loose connective tissues; smallest vesselsC Bean shaped structure surrounded by a dense fibrous capsule with fibrous strands that divide it into compartmentsD Same three tunics as veins; largest of lymph vesselsE A type of loose connective tissue called reticular connective tissue; dominates all lymphoid organs except thymus3.1 Lymphatic capillaries 3.2 Lymphatic collecting vessels 3.3 Lymphatic trunks 3.4 Lymphatic tissue 3.5 Lymph node