All of the following are true of the lymphatic system, EXCEPT: which option below is the answer? None of the other four answers (all are true of the lymphatic system) It brings microbial antigens into contact with immunologically active cells (lymphocytes and macrophages) Lymphatic capillaries lie in close physical proximity to arterial and venous capillaries Lymph nodes are located at lymphatic vessel junctions Its only important function is to carry interstitial fluid back to the circulatory system

All of the following are true of the lymphatic system, EXCEPT: which option below is the answer? None of the other four answers (all are true of the lymphatic system) It brings microbial antigens into contact with immunologically active cells (lymphocytes and macrophages) Lymphatic capillaries lie in close physical proximity to arterial and venous capillaries Lymph nodes are located at lymphatic vessel junctions Its only important function is to carry interstitial fluid back to the circulatory system

Body Structures & Functions Updated

13th Edition

ISBN:9780357191606

Author:Scott

Publisher:Scott

Chapter15: The Lymphatic And Immune Systems

Section: Chapter Questions

Problem 3RQ

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Which of the following is NOT true about the lymphatic system? the vessels of the lymphatic system form a closed loop the lymphatic system absorbs excess fluids from the tissue fluid the lymphatic vessels can be found within capillary beds movement of fluids within is caused by skeletal muscle motion lymphatic vessels have a structure similar to veins
Which of the following are TRUE of lymph nodes? They cause cancer cells to metastasize T/F? They act as filters to clean the lymph, preventing unwanted substances from being delivered to the blood T/F? They offer a place for lymphocytes to become activated and mount an attack against antigens T/F? They are the primary site to cleanse the blood of aged erythrocytes T/F?
All of the following are true of antigen-presenting cells (APCs) EXCEPT: which option below is the answer? None of the other four answers (All are true statements about APCs) They can interact directly with lymphocytes They include macrophages and dendritic cells APCs by themselves cannot distinguish between different microbial antigens, remember them later, or respond specifically to them They are non-specific cells and they play no role in activating or triggering specific immune responses
All of the following are true of the lymphatic system, EXCEPT: Lymphatic capillaries lie in close physical proximity to arterial and venous capillaries None of the other four answers (all are true of the lymphatic system) Lymph nodes are located at lymphatic vessel junctions It brings microbial antigens into contact with immunologically active cells (lymphocytes and macrophages) Its only important function is to carry interstitial fluid back to the circulatory system
Which of the following statements about lymphatic capillaries is FALSE? Group of answer choices Minivalves prevent the backflow of fluid into the interstitial spaces The endothelial cells are anchored by filaments to the surrounding structures They are located near blood capillaries They collect red blood cells that have "leaked" out of blood vessels
One purpose of the lymphatic system is to: Group of answer choices transport nutrients and oxygen. return interstitial fluid to the blood. block the transport of blood proteins. produce red blood cells. deliver carbon dioxide to the heart.
A mother takes her son to the doctor and describes the following symptoms that she has observed. The child is running a fever, has flu-like symptoms, and his lymph glands are very swollen and sore to the touch. The mother herself has a history of lymph node problems. She had a mastectomy that included the removal of axillary lymph nodes on her left side. She was also a patient of this practice on one of her follow-up visits. The mother wants to know what caused her son's swollen and sore lymph glands.What reasons would you give to help the mother understand why these signs and symptomshave occurred?
Which of the following organs are considered part of the lymphatic system? Select all that apply. Group of answer choices red bone marrow tonsils thyroid gland spleen
The right lymphatic duct drains the lymph from: the entire right side of the body only the right side of the head and neck and right upper limb O the right side of the thorax, right upper limb, and right side of the head and neck only the right side of the thorax the right side of the thorax, the abdomen, and the right lower and the right upper limbs
A mother takes her son to the doctor and describes the following symptoms that she has observed. The child is running a fever, has flu-like symptoms, and his lymph glands are very swollen and sore to the touch. The mother herself has a history of lymph node problems. She had a mastectomy that included the removal of axillary lymph nodes on her left side. She was also a patient of this practice on one of her follow-up visits. She also wanted to know if her son's condition would have an impact on his immune system. What would you tell her?
A 42-year-old woman presents with an enlarged supraclavicular lymph node. The patient is HIV positive and takes antiviral medications. A lymph node biopsy is shown in the image. The tumor cells express B cell antigens and are positive for Epstein-Barr virus (EBV). Which of the following is the most likely diagnosis? (A) Follicular lymphoma (B) Hodgkin lymphoma (C) Large B-cell lymphoma (D) MALT lymphoma (E) Mantle cell lymphoma
Lymphatic capillaries: originate as pockets (blind ends) in tissues both are made of loosely joined endothelial cells forming easily opened mini-valves and originate as pockets (blind ends) in tissues are made of loosely joined endothelial cells forming easily opened mini-valves, originate as pockets (blind ends) in tissues, and collapse easily collapse easily are made of loosely joined endothelial cells forming easily opened mini-valves