Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Textbook Question
Chapter 21, Problem 11RQ
In some people, the thoracic duct does not receive any of the lymph trunks at the base of the neck (jugular, subclavian, or bronchomediastinal). In such people, what part of the body does the thoracic duct drain? (a) upper right quarter, (b) upper left quarter, (c) upper half, (d) lower half.
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Which part of the body does the thoracic duct not drain lymph from? (a) the left side of the neck, (b) both the lower limbs, (c) both the upper limbs, (d) the left half of the head.
(a) Which anatomical characteristic ensures that the flow of lymph through a lymph node is slow? (b) Why is this desirable?
(a)
The lymphatic system is a part of the circulatory system and a vital part of the immune
system. It is a network of tubes throughout the body that drains fluid (called lymph)
from tissues and empties it back into the bloodstream.
(i)
Give a brief explanation why the lymphatic system is a one-way system,
whereas the blood vascular system is a two-way system.
(ii)
Point out TWO (2) type of infections that may cause the lymph nodes to swell.
Chapter 21 Solutions
Human Anatomy
Ch. 21 - Prob. 1CYUCh. 21 - A sentinel lymph node is the first lymph node to...Ch. 21 - Fatty lymph, picked up by the lacteals in the...Ch. 21 - Prob. 4CYUCh. 21 - Prob. 5CYUCh. 21 - Prob. 6CYUCh. 21 - Prob. 7CYUCh. 21 - Prob. 8CYUCh. 21 - Prob. 9CYUCh. 21 - Prob. 10CYU
Ch. 21 - Prob. 11CYUCh. 21 - Lymphatic capillaries (a) are open-ended like...Ch. 21 - The basic structural framework of most lymphoid...Ch. 21 - Prob. 3RQCh. 21 - Prob. 4RQCh. 21 - Prob. 5RQCh. 21 - Prob. 6RQCh. 21 - Which of the following lymphoid organs have a...Ch. 21 - Prob. 8RQCh. 21 - Developmentally, the embryonic lymphatic vessels...Ch. 21 - It sometimes is difficult to distinguish the...Ch. 21 - In some people, the thoracic duct does not receive...Ch. 21 - Prob. 12RQCh. 21 - Prob. 13RQCh. 21 - Prob. 14RQCh. 21 - Prob. 15RQCh. 21 - Prob. 16RQCh. 21 - Prob. 17RQCh. 21 - As George was reading this chapter for the second...Ch. 21 - Prob. 19RQCh. 21 - Prob. 20RQCh. 21 - Prob. 1CRCAQCh. 21 - Prob. 2CRCAQCh. 21 - Prob. 3CRCAQCh. 21 - Mrs. Roselli has undergone a left radical...Ch. 21 - Prob. 5CRCAQCh. 21 - Simi realized she was very ill. During a recent...
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- Lymph collected from the lower abdomen, pelvis, and lower limbs is carried by the: (a) right lymphatic duct. (b) inguinal duct. (c) thoracic duct. (d) aorta.arrow_forwardThe germinal centers in lymph nodes are sites of (a) the lymph sinuses, (b) proliferating B lymphocytes, (c) T lymphocytes, (d) a and c, (e) all of the above.arrow_forwardAsap Lymph enters a lymph node via afferent vessels, circulates through lymph sinuses, and then exits via efferent vessels. What is the physiological significance of each lymph node having fewer efferent vessels than afferent vessels?arrow_forward
- Red blood cells that are damaged or defective are removed from the circulation by the (a) thymus. (b) lymph nodes. (c) spleen. (d) tonsils.arrow_forwardWhich of the following lymphoid organs have a cortex and a medulla? (More than one choice is correct.) (a) lymph nodes, (b) spleen, (c) thymus, (d) aggregated lymphoid nodules, (e) tonsils.arrow_forwardDevelopmentally, the embryonic lymphatic vessels are most closely associated with the (a) veins, (b) arteries, (c) nerves, (d) thymus.arrow_forward
- Directly after fluid leaks out a vessel into the surrounding tissue (due to ______ blood pressure) it gets a name change from plasma to ______ fill in the blank (A) low, interstitial fluid (B) high, lymph (C) high, interstitial fluid (D) low, lympharrow_forwardEven though the lymphatic system is a component of the circulatory system, why is the term circulation not the most appropriate term to describe the flow of lymph? How would you describe the flow? Explain how lymph is formed. What would be the impact on lymph formation if the osmotic force at the venous end of the capillary was more successful at recovering fluid lost at the arterial end?arrow_forwardIdentify the major axillary lymph nodes. 1)2)3)4)arrow_forward
- Match the names of the blood cells in column B with their descriptions in column A. Some names are used more than once. Column A Column B(1) destroys parasites (a) erythrocyte(2) has two types of granules (b) neutrophil(3) does not use diapedesis (c) eosinophil(4) stops the allergic response (d) basophil (e) lymphocyte (f) monocyte (5) the only cell that is not spherical (6) granulocyte that phagocytizes bacteria (7) the largest blood cell (8) granulocyte with the smallest granules…arrow_forwardIn an adult, the only site of red blood cell production, and the primary site of white blood cell formation, is the, (a) liver. (b) spleen. (c) thymus. (d) red bone marrow.arrow_forward1. (a)Where would you expect to find most of the plasma cells in a lymph node? (b)And What kinds of cells are in the cords of the Red Pulp?arrow_forward
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