Essentials of Human Anatomy & Physiology (12th Edition)
12th Edition
ISBN: 9780134395326
Author: Elaine N. Marieb, Suzanne M. Keller
Publisher: PEARSON
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Textbook Question
Chapter 12, Problem 40CT
Lymphocytes continuously circulate through the body using blood and lymph as their transport vehicles. What is the importance of this recirculation behaviour?
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Even 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?
(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.
Lymphatic capillaries function to transport all of the following EXCEPT
Choose from the following:
(A) extracellular fluid
(B) lipids
(C) erythrocytes
(D) leukocytes
(E) invading micro-organisms
Chapter 12 Solutions
Essentials of Human Anatomy & Physiology (12th Edition)
Ch. 12 - Prob. 1MCCh. 12 - Prob. 2MCCh. 12 - Prob. 3MCCh. 12 - Which of the following are part of MALT? a....Ch. 12 - 5. Developmentally, embryonic lymphatic vessels...Ch. 12 - 6. Which of the following are among the most...Ch. 12 - Chemical mediators of inflammation include a....Ch. 12 - Against which of the following will interferon do...Ch. 12 - Prob. 9MCCh. 12 - 10. Where exactly does an antigen bind to an...
Ch. 12 - Which of the following antibody capabilities...Ch. 12 - Prob. 12MCCh. 12 - Prob. 13MCCh. 12 - Prob. 14SAECh. 12 - Prob. 15SAECh. 12 - Prob. 16SAECh. 12 - 17. Besides acting as mechanical barriers, the...Ch. 12 - What is complement? Besides bacterial lysis, what...Ch. 12 - 19. Interferons are referred to as antiviral...Ch. 12 - Prob. 20SAECh. 12 - Prob. 21SAECh. 12 - Prob. 22SAECh. 12 - Prob. 23SAECh. 12 - Prob. 24SAECh. 12 - Binding of antigens to receptors of...Ch. 12 - Prob. 26SAECh. 12 - Prob. 27SAECh. 12 - 28. Compare and contrast a primary and a secondary...Ch. 12 - Prob. 29SAECh. 12 - Prob. 30SAECh. 12 - Prob. 31SAECh. 12 - Distinguish between immediate types of allergy and...Ch. 12 - Prob. 33SAECh. 12 - Prob. 34SAECh. 12 - Contrast lysozyme, perforin and granzymes, and a...Ch. 12 - Prob. 36CTCh. 12 - Prob. 37CTCh. 12 - Prob. 38CTCh. 12 - Mrs. Morrow, a 59-year-old woman, has undergone a...Ch. 12 - 40. Lymphocytes continuously circulate through the...Ch. 12 - Capillary permeability increase and plasma...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What is the relationship between tissue fluid and lymph?arrow_forwardWhen the tissue swell down due to injury, gaps in the lymphatic capillaries open allowing fluid to flow from the blood capillary to the lymphatic capillary? True or false?arrow_forwardWhat is the benefit of having fewer efferent than afferent lymphatics in lymph nodes?arrow_forward
- Since movement of the lymphatic fluid is not fueled by a pump, such as the heart, how do you think this liquid is propelled around the body? (hint: Think back to some of the features of veins that helped blood fight back to the heart)arrow_forwardWould you please help me make a flow chart listing the sequence of the movement of lymph from tissue in the right big toe back to the venous blood?arrow_forward(a) Which anatomical characteristic ensures that the flow of lymph through a lymph node is slow? (b) Why is this desirable?arrow_forward
- The white blood cell illustrated (mark all that apply) (A) is number three in WBC frequency (B) is phagocytic / or will become phagocytic (C) releases histamine (D) is the precursor cell to a plasma cell (E) is classified as a 'granulocyte'arrow_forwardIdentify the incorrect statment about lymphatic system (A) Lymphatic capillaries have valves to ensure unidirctional flow (B) 72% of total blood fluid leaks out and needs to be returened each day (C) lymph is filtered at the lymph nodes (D) heutrophils are the main phagocyte found in lymph nodesarrow_forwardAbout how big in micrometers AND in millimeters is a lymphocyte? What are the functions of lympocytes?arrow_forward
- What are the differences between the lymphatic and circulatory system vessels?arrow_forwardWhere in the body does the lymph enter the bloodstream?arrow_forwardMovement of large bulky substances into lymphatic vesses is easier and less selective than movement of these same (1) tight junctions, and allow solute movement blood vessels must contain (2) O More; Paracellularly O Fewer; Paracellularly O More; Transcellularly O Fewer; Transcellularlyarrow_forward
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