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Hole's Human Anatomy & Physiology, 9/e

David Shier, Washtenaw Community College
Ricki Lewis, The University at Albany
Jackie Butler, Grayson County Community College

Lymphatic System and Immunity

True/False Quiz

Please answer all questions


1	The lymphatic system is an ancillary circulatory system of blood vessels that delivers nutrients and removes wastes from tissues.
		A)	True
		B)	False


2	Lymphatic vessels contain elastic fibers and valves.
		A)	True
		B)	False


3	The right lymphatic and thoracic ducts drain about an equal area of the body.
		A)	True
		B)	False


4	Bacteria cannot enter the blood from a wound in the skin as long as no bleeding is evidenced.
		A)	True
		B)	False


5	The function of the lymphatic system is to transport proteins, and other particles to the circulation where they are identified by defense cells.
		A)	True
		B)	False


6	Breathing helps facilitate return of lymph by creating a positive pressure in the thoracic cavity.
		A)	True
		B)	False


7	Thymosin is a hormone that stimulates the development of thymocytes into all lymphocyte types.
		A)	True
		B)	False


8	T lymphocytes can be found in the bone marrow, spleen, blood, and tonsils as well as thymus gland.
		A)	True
		B)	False


9	The sinuses of the lymph nodes and spleen are cavities filled with blood.
		A)	True
		B)	False


10	The spleen always stops its hematopoietic activity at birth.
		A)	True
		B)	False


11	Macrophages are specialized lymphocytes that engulf foreign particles.
		A)	True
		B)	False


12	Tears contain lysozyme enzymes that can destroy bacteria.
		A)	True
		B)	False


13	Inflammation is a nonspecific defense mechanism that is caused by any cell damage.
		A)	True
		B)	False


14	Mucous membranes provide a barrier to infection mainly because of its phagocytic properties.
		A)	True
		B)	False


15	A macrophage could belong to the lymphatic and reticulo- endothelial systems at the same time.
		A)	True
		B)	False


16	All phagocytes belong to the nonspecific mechanisms of defense.
		A)	True
		B)	False


17	The origin of the B cells is the bone marrow.
		A)	True
		B)	False


18	A clone is a group of cells with identical genetic properties.
		A)	True
		B)	False


19	The area designated the constant region of the immuno- globulin will bind to the antigen.
		A)	True
		B)	False


20	Immunoglobulin E can produce allergic or inflammatory reactions that are life threatening.
		A)	True
		B)	False


21	B cells usually require the presence of some activating factor before they can recognize an antigen.
		A)	True
		B)	False


22	Neutralizing antibodies cause antigens to lose their toxic properties.
		A)	True
		B)	False


23	T cells produce factors that stimulate the activity of other cells including B cells.
		A)	True
		B)	False


24	The delayed reaction allergy to a chemical is mediated by the B cell system.
		A)	True
		B)	False


25	The HIV AIDS viruses cause death from conditions such as Pneumocystis carinii pneumonia.
		A)	True
		B)	False


26	Immunosuppressive drugs can be used to suppress the histocompatibility complex reaction in a tissue organ or graft rejection.
		A)	True
		B)	False


27	SLE is an autoimmune disease, which attacks body tissues because of a T cell activation.
		A)	True
		B)	False

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