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Structures that connect lymphatic capillary cells to surrounding tissue and prevent the capillaries from collapsing are called _________ filaments.

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Within the red pulp of the spleen are enlarged capillaries called _________,which have a discontinuous basal lamina that allows blood cells to enter and exit easily.


A) splenic cords
B) trabecular vessels
C) splenic vessels
D) splenic sinusoids
E) trabecular cords

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Which of the following does not contain red marrow


A) Ribs
B) Sternum
C) Flat bones of the skull
D) Vertebrae
E) Long bones of digits

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A lymphatic capillary that picks up dietary lipids in the small intestine is called a(n)


A) cisterna chyli.
B) lacteal.
C) afferent lymphatic vessel.
D) trabeculum.
E) efferent lymphatic vessel.

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The hilum of the spleen is part of its


A) concave anteromedial border.
B) concave posterolateral border.
C) convex anteromedial border.
D) convex posterolateral border.

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Which lymphatic organ contains red pulp and white pulp


A) Thymus gland and lymph nodes
B) Spleen and lymph nodes
C) Lymph nodes
D) Spleen
E) Thymus gland

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Lymphatic capillaries


A) cannot be discerned structurally from cardiovascular system capillaries.
B) originate as closed-ended tubes associated with blood capillary networks.
C) filter lymph.
D) concentrate lymph prior to passing it to larger lymphatic vessels.
E) include layers of smooth muscle for peristalsis.

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The term "swollen glands" is usually meant to refer to lymph nodes in which


A) the valves of afferent vessels are bulging.
B) macrophages are clogging afferent lymphatic vessels.
C) lymphocytes are proliferating in germinal centers.
D) phagocytes are consuming the infected lymph nodes.
E) macrophages are entering at the hilum.

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The letter "T" within "T-lymphocytes" stands for the _________.or

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MALT is found in which layer of the wall of a hollow organ


A) Epithelial
B) Lamina propria
C) Muscularis externa
D) Submucosa

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Lymphatic capillaries originate in the


A) peripheral nervous system ganglia.
B) red bone marrow.
C) yellow bone marrow.
D) tissue spaces between cells.
E) cisterna chyli.

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D

Lymph is transported through a network of increasingly larger lymphatic passageways.What is the correct order of these,from smallest diameter to largest diameter


A) Capillaries - ducts - trunks - vessels
B) Ducts - capillaries - vessels - trunks
C) Vessels - capillaries - trunks - ducts
D) Ducts - vessels - capillaries - trunks
E) Capillaries - vessels - trunks - ducts

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Which part of a thymic lobule contains mature lymphocytes


A) Cortex
B) Medulla
C) Capsule
D) Trabecula

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It has been suggested that the lymphatic system evolved when animals became larger and the hydrostatic pressure in their circulatory systems rose.Explain how this suggestion is consistent with the function of the lymphatics-how does high blood pressure make lymphatic function essential Also,what other advantages were gained by animals that developed lymphatic systems

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Higher blood pressure results in more fi...

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Which area does not contain MALT


A) Urinary tract
B) Respiratory tract
C) Genital tract
D) Gastrointestinal tract
E) No exceptions;all choices contain MALT

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E

Like veins,lymphatic vessels rely on skeletal muscle and respiratory pumps to help propel fluid through them.

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One of the functions of the spleen is phagocytosis of bacteria in the blood.

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With respect to the lymphatic system,what do the letters in the acronym MALT stand for


A) Membrane-adhering lymphatic T-cells
B) Mucosa-associated lymphatic tissue
C) Multiple-antigen lymphocyte target
D) Multiple-antibody lymphocyte test

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The term "primary lymphatic structure" applies


A) only to red bone marrow.
B) to the spleen and lymph nodes.
C) to the red bone marrow and thymus.
D) only to lymph nodes.
E) to lymph nodes and MALT.

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C

Typically,a hilum of a lymph node contains


A) one afferent lymphatic vessel.
B) one efferent lymphatic vessel.
C) numerous afferent vessels.
D) numerous efferent vessels.

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