Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781259709227
Author: Marjorie Kelly Cowan Professor, Heidi Smith
Publisher: McGraw-Hill Education
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Chapter 20.1, Problem 1NP
Summary Introduction
Introduction:
The lymphoid tissue is defined as a part of immune system that consists of loosely organized cells that surrounds small arteries. It contains lymphocytes and several other types of cells that are required to support the lymphatic system.
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The lymphatic trunk that drains lymph from the upper limb, breasts, and superficial thoracic wall is the a. lumbar trunk. b. jugular trunk. c. subclavian trunk. d. bronchomediastinal trunk.
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The specialized cells that provide the interface between the lumen of the gut and the underlying lymphoid tissue _____.
a. make up the germinal center
b. are called the M cells
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e. are progenitors of monocytes.
Chapter 20 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 20.1 - Prob. 1AYPCh. 20.1 - List the natural defenses present in the...Ch. 20.1 - Prob. 1NPCh. 20.2 - List the types of normal biota presently known to...Ch. 20.2 - Describe how our view has changed of normal biota...Ch. 20.3 - List the possible causative agents, modes of...Ch. 20.3 - Prob. 6AYPCh. 20.3 - Prob. 7AYPCh. 20.3 - Identify the most important features of mumps,...Ch. 20.3 - Differentiate among the main types of hepatitis,...
Ch. 20.3 - Prob. 1MMCh. 20.3 - Prob. 2NPCh. 20.3 - Prob. 3NPCh. 20.3 - Q. Why are the effects of jaundice so widespread...Ch. 20.3 - Prob. 4NPCh. 20.4 - Prob. 10AYPCh. 20.4 - Prob. 11AYPCh. 20.4 - Prob. 12AYPCh. 20.4 - Prob. 5NPCh. 20 - Prob. 1QCh. 20 - Healthy teeth are important for good nutrition and...Ch. 20 - Prob. 3QCh. 20 - Prob. 4QCh. 20 - Why is heating food contaminated with...Ch. 20 - Prob. 6QCh. 20 - Prob. 7QCh. 20 - Prob. 8QCh. 20 - Prob. 9QCh. 20 - Prob. 10QCh. 20 - Why is it thought that the Shiga toxin in...Ch. 20 - Prob. 12QCh. 20 - Prob. 13QCh. 20 - Prob. 14QCh. 20 - Prob. 15QCh. 20 - Prob. 16QCh. 20 - Describe the populations that are most at risk for...Ch. 20 - Prob. 18QCh. 20 - Prob. 19QCh. 20 - Prob. 20QCh. 20 - Prob. 21QCh. 20 - From chapter 11, figure 11.2a. Imagine for a...
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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_forwardWhich of the following is a function of the Lymphatic System? A) production and storage of lymphocytes B) maintaining blood volume by returning fluids from the tissues to the blood C) regulating the composition of the interstitial fluid D) all of the above.arrow_forwardForeign particles circulating in the blood are filtered by the _________. a. spleen b. lymph nodes c. MALT d. lympharrow_forward
- A man develops a scrotal skin abscess following vasectomy. Which of the following sets of lymph nodes is most likely to be first and large? a. External iliac nodes b. Internal iliac nodes c. Para-aortic (lumbar) nodes d. Sacral nodes e. Superficial inguinal nodesarrow_forwardAll of the following are associated with ectopic lymphoid tissues except _____. a. they form by a process known as lymphoid neogenesis b. they are a characteristic feature of Hashimoto’s disease c. they are encapsulated and contain lymphatics d. they resemble and function like secondary lymphoid tissues e. they are also called tertiary lymphoid organs.arrow_forwardLymphatic 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_forward
- A tick has embedded itself in the scalp of a young boy. His mother is most likely to find which lymph nodes to be swollen? a. cervical b. inguinal c. axillary d. femoralarrow_forwardWhich statement is accurate about lymph nodes? a. Lymph nodes do not become swollen and tender. b. Lymph nodes filter blood. c. Lymph enters the lymph node through afferent lymphatic vessels. d. Lymphatic sinuses are located in the cortex of a lymph node only.arrow_forwardWhich large lymphatic organ purifies blood by removing dead red cells, stores blood, and helps the immune system to recognize and attack foreign materials or proteins? a spleen b intestine c appendix d kidneyarrow_forward
- Which of the following is a function of the spleen?a. produces T cellsb. removes worn-out red blood cellsc. produces immunoglobulinsd. produces macrophagese. regulates the immune systemarrow_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_forwardWhat is the most likely cause of the patient's swollen tonsils? A) Her intense cough caused rupture of the tonsils, and swelling is part of the normal wound-healing process. B) Tonsils consist of lymphatic tissue, and became swollen by filtering out microbes and their toxic products. C) She is dehydrated from poor fluid intake, so the tonsils are retaining fluid. D) Tonsils are sensitive to stimulation, so they became swollen from her constant coughing.arrow_forward
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