Anatomy Questions
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The thymus gland reaches its maximal activity level late in life. True False
Which nerve of the sacral plexus supplies the medial aspects of the buttocks?
Lymphangitis presents itself as severe localized edema. red lines under the skin that are sensitive to touch. tender lymph nodes that are filled with pus. enlarged tender tonsils.
Where are plasma cells found in the node? in the capsule in the medullary cords in the cortex in the lymph sinuses
The lymphatic structure that arises anterior to the first two lumbar vertebrae is known as the lacteals. right thoracic duct. cisterna chyli. thoracic duct.
The lymph from all but the right side of the head and the right arm and right thorax is drained by the lacteals. thoracic duct. cisterna chyli. right lymphatic duct.
What lymphatic structures trap bacteria in the posterior oral mucosa? lingual tonsils tubal tonsils submandibular tonsils pharyngeal tonsils palatine tonsils
Reed-Sternberg cells are characteristic of elephantiasis. lymphoma. mononucleosis. Hodgkin's disease.
Which of the following is not a function of the lymphatic vessels? carrying fat from the intestine to the blood providing a maturation site for lymphocytes returning excess fluid to the bloodstream returning leaked proteins to the blood stream
above the butt, below the lower back
Which of the following make up the principle lymphoid organs in the body? Tonsils Spleen Peyer''s patches MALT Lymph nodes
Which of the following features is not common to both lymphatic collecting ducts and veins? the presence of valves Each contain chyle. a wall made of three layers Anatomical distributions of each vary between individuals.
Which of the following best describes the arrangement of lymphatic vessels? A system that carries lymph through lymphatic arteries, lymphatic capillaries, and lymphatic veins A system of large vessels designed to fill quickly with lymph as the heart pushes blood through the coronary sinus A system that collects fluid from arteries and veins and takes it into lymphatic arteries to be pumped back to the blood circulation A one-way system of vessels beginning with blind-ended lymphatic capillaries A system that pumps lymph through lymphatic ventricles to the lymphatic capillaries and through lymph veins back to the atria
Which of the following is the major lymphoid organ that ""trains"" T-lymphocytes to become immunocompetent? Peyer''s patches Tonsils MALT Thymus Spleen
When B-lymphocytes are dividing rapidly the _____ of the lymphoid tissue enlarges. lymphoid nodules reticular fibers germinal centers diffused lymphoid tissue
Which of the following statements is true when comparing large lymphatic vessels to larger veins of the circulatory system? Larger lymphatic vessels have only two layers, instead of three, as do veins, but have more valves than veins. Larger lymphatic vessels have thicker layers and no valves. Larger lymphatic vessels have only one layer and have no valves. Large lymphatic vessels have the same three layers, but are thinner and have more valves. Larger lymphatic vessels have the same three layers, but have no valves.
Which of the following vessels transport fluid that leaks from the vascular system back into the blood? veins lymphatics capillaries sinusoids
Which statement is true regarding lymph nodes? They may reach the size of a golf ball. They have fewer efferent than afferent (incoming) vessels. There are over 10,000 located throughout the body. They contain dense collections of all five-leukocyte types. There is a dense collection located in the feet and hands.
The lymphoid organs, located in the throat, that defend against invading bacteria coming in through the mouth and nose are Tonsils Thymus Peyer''s patches MALT Spleen
Which of the following is found lining the lymphatic sinuses of the lymph nodes? B cells T cells Lymphocytes Macrophages Dendritic cells