Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Chapter 19, Problem 7RQ
Summary Introduction
To determine:
The cells/tissues present in the red pulp area of spleen are:
(a) Splenic sinusoids, macrophages, and red blood cells
(b) Clustered lymphocytes
(c) Connective tissue septa.
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Although you might consider this image to be a histology image of a tonsil, you would not identify it as such due to the inability to visualize which of the following?
Choose from the following:
(A) epithelium
(B) smooth muscle
(C) crypts
(D) lymphatic follicles
Indicate whether each of the following statements about the spleen is true or false. If you
think a statement is false, explain why.
(a)
It filters antigens out of the blood.
The marginal zone is rich in T cells, and the periarteriolar lymphoid sheath (PALS) is
(b)
rich in B cells.
(c)
It functions to remove old and defective red blood cells.
Lymphatic vessels draining the tissue spaces enter the spleen.
It contains germinal centers.
(d)
Which one of the following lymphoid organs does not contain lymphoid follicles or germinal centers? (a) lymph nodes, (b) spleen, (c) thymus, (d) aggregated lymphoid nodules, (e) tonsils.
Chapter 19 Solutions
Anatomy & Physiology
Ch. 19 - What is lymph? Where does it come from?Ch. 19 - Name two lymphatic ducts and indicate the body...Ch. 19 - What is the driving force for lymph movement?Ch. 19 - Prob. 4CYUCh. 19 - What is the benefit of having fewer efferent than...Ch. 19 - Prob. 6CYUCh. 19 - List several functions of the spleenCh. 19 - Lymphatic vessels (a) serve as sites for immune...Ch. 19 - Prob. 2RQCh. 19 - Entry of lymph into the lymphatic capillaries is...
Ch. 19 - The structural framework of lymphoid organs is (a)...Ch. 19 - Lymph nodes are densely clustered in all of the...Ch. 19 - The germinal centers in lymph nodes are largely...Ch. 19 - Prob. 7RQCh. 19 - The lymphoid organ that functions primarily during...Ch. 19 - Collections of lymphoid tissue (MALT) that guard...Ch. 19 - Prob. 10RQCh. 19 - Prob. 11RQCh. 19 - (a) Which anatomical characteristics ensures that...Ch. 19 - There are no lymphatic arteries. Why isnt this a...Ch. 19 - Prob. 1CCSCh. 19 - Prob. 2CCSCh. 19 - Prob. 3CCSCh. 19 - Prob. 4CCS
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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
- The basic structural framework of most lymphoid organs consists of (a) areolar connective tissue, (b) hematopoietic tissue, (c) reticular connective tissue, (d) adipose tissue.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_forwardIt sometimes is difficult to distinguish the different lymphoid organs from one another in histological sections. How would you tell the thymus from a lymph node? (a) Only the thymus has a cortex and medulla; (b) lymphocytes are far less densely packed in the thymus than in the lymph node; (c) the thymus contains no blood vessels; (d) only the thymus has distinct lobules and thymic corpuscles.arrow_forward
- Which structure is depicted in the following image? A) thymus gland B) white blood cells C) jugular lymphatic trunks D) lumbar trunksarrow_forwardDevelopmentally, the embryonic lymphatic vessels are most closely associated with the (a) veins, (b) arteries, (c) nerves, (d) thymus.arrow_forwardLymphocytes that develop immunocompetence in the thymus are (a) B lymphocytes, (b) T lymphocytes.arrow_forward
- What is the meaning of spleens?arrow_forwardThe immune system of a person is supressed. He was found positive for a pathogen in the diagnostic test ELISA.(a) Name the disease, the patient is suffering from.(b) Which pathogen is identified by ELISA test?(c) Which cells of the body are attacked by the pathogen?(d) Suggest preventive measure of the infection.arrow_forwardPhagocytes move through capillary walls by squeezing between adjacent endothelial cells, a process known as (a) emigration. (b) chemotaxis. (c) adhesion. (d) perforation.arrow_forward
- Lymphatic nodules... A) contain loose connective tissue and lymphocytes B) may be found in parts of the digestive and respiratory systems C) contain a central region called the germinal center where lymphocytes are dividing D) form the white pulp of the spleen E) all of the above.arrow_forwardPhagocytes move through capillary walls by squeezing between adjacent endothelial cells, a process known as (a) diapedesis. (b) chemotaxis. (c) adhesion. (d) perforation.arrow_forwardChemical messengers secreted by ductless glands are called___________a) Lymphb) Plateletsc) Plasmad) Hormonesarrow_forward
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