Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 2MC
The process by which neutrophils squeeze through capillary walls in response to inflammatory signals is called (a) diapedesis, (b)
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ASAP
Neutrophils are best described as:
(a) Phagocytic, have bilobed nucleus and are small (2-5 microns)
(b) Respond to chemokines and are primary defense against bacteria
(c) Long-lived phagocytic cells.
why?
The most frequent cause of a nonmalignant increase in total leukocyte count is
Question 1 options:
A)
an increase in lymphocytes
B)
an increase in neutrophils
C)
an increase in monocytes
D)
an increase in basophils
Chapter 20 Solutions
Anatomy & Physiology (6th Edition)
Ch. 20.1 - What distinguishes the innate defense system from...Ch. 20.1 - What is the first line of defense against disease?Ch. 20.2 - What is opsonization and how does it help...Ch. 20.2 - Under what circumstances might NK cells kill our...Ch. 20.2 - What are the cardinal signs of inflammation and...Ch. 20.3 - Name three key characteristics of adaptive...Ch. 20.3 - What is the difference between a complete antigen...Ch. 20.3 - What marks a cell as self as opposed to nonselfCh. 20.4 - What event (or observation) signals that a B or T...Ch. 20.4 - Which of the following T cells would survive...
Ch. 20.4 - Prob. 11CYUCh. 20.4 - In clonal selection, who does the selecting? What...Ch. 20.5 - Why is the secondary response to an antigen so...Ch. 20.5 - Prob. 14CYUCh. 20.5 - Which class of antibody is most abundant in blood?...Ch. 20.5 - List four ways in which antibodies can bring about...Ch. 20.5 - Prob. 17CYUCh. 20.6 - Class II MHC proteins display what kind of...Ch. 20.6 - Which type of T cell is the most important in both...Ch. 20.6 - Describe the killing mechanism of cytotoxic T...Ch. 20.7 - Prob. 21CYUCh. 20.7 - Prob. 22CYUCh. 20 - All of the following are considered innate body...Ch. 20 - The process by which neutrophils squeeze through...Ch. 20 - Antibodies released by plasma cells are involved...Ch. 20 - Which of the following antibodies can fix...Ch. 20 - Which antibody class is abundant in body...Ch. 20 - Small molecules that must combine with large...Ch. 20 - Lymphocytes that develop immunocompetence in the...Ch. 20 - Cells that can directly attack target cells...Ch. 20 - Prob. 9MCCh. 20 - The cell type most often invaded by HIV is a(n)...Ch. 20 - Complement fixation promotes all of the following...Ch. 20 - Using the letters from column B, match the cell...Ch. 20 - Besides acting as mechanical barriers, the skin...Ch. 20 - Explain why attempts at phagocytosis are not...Ch. 20 - What is complement? How does it cause bacterial...Ch. 20 - Interferons are referred to as antiviral proteins....Ch. 20 - Differentiate between humoral and cellular...Ch. 20 - Although the adaptive immune system has two arms,...Ch. 20 - Define immunocompetence and self-tolerance. How is...Ch. 20 - Differentiate between a primary and a secondary...Ch. 20 - Prob. 21SAQCh. 20 - What is the role of the variable regions of an...Ch. 20 - Name the five antibody classes and describe where...Ch. 20 - How do antibodies help defend the body?Ch. 20 - Do vaccines produce active or passive humoral...Ch. 20 - Prob. 26SAQCh. 20 - Describe the specific roles of helper, regulatory,...Ch. 20 - Prob. 28SAQCh. 20 - Prob. 29SAQCh. 20 - What events can result in autoimmune disease?Ch. 20 - Prob. 1CCSCh. 20 - Prob. 2CCSCh. 20 - Prob. 3CCSCh. 20 - Prob. 4CCSCh. 20 - Remember Mr. Ayers, the bus driver from Chapter...
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- The first step in the process of hemostasis is, (a) coagulation. (b) the platelet phase. (c) fibrinolysis. (d) vascular spasm.arrow_forwardvasodilation in response to acute inflammation is responsible for which of the four cardinal signs of inflammation. Select all that apply. A) redness B) pain C) heat D) swellingarrow_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
- 19) Which of the following is correct, in result from kinins and histamines being released in response to tissue damage? A) decrease in fluid to the tissue B) vasoconstriction C) leaked proteins leave the damaged area D) decrease in neutrophils and monocytes E) none of the abovearrow_forward16) Which of the following is not true about the functions of lymphatic capillaries? A) absorb the excess protein-containing interstitial fluid B) returns interstitial fluid to the bloodstream C) delivers leaked red blood cells to capillaries D) have minivalves and protein filaments E) they can uptake pathogens and cancer cellsarrow_forwardhematopoietic tissues the cells that undergo mitosis to produce all type of blood cells are known as a) lymphocytes b) hemocytoblasts c) reticulocytes d) megakaryocytesarrow_forward
- Lymph vessel walls are very thin. Why? a) The thin walls allow the bacteria to flow from the lymph to the blood b) The thin walls prevent bacteria from getting trapped in the lymph c) The thin walls allow the inter-cellular fluid to flow into the capillary vesselsarrow_forward(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.arrow_forwardA foreign particle that becomes lodged in a blood vessel is called a(n) A) embolus B) varix C) cicatrix D) thrombosisarrow_forward
- Fill in the blank ( please answer all of them ) : ………………………. is a serine protease that converts fibrinogen to fibrin ………………….. is a type of leukocyte that defends against parasitic infections ………………….. functional barrier that prevents passage of antibiotics, and toxins from the blood to nervous Glial fibrillary acidic protein (GFAP) is a type III intermediate filament protein that is expressed by …………………………..arrow_forwardForeign materials are filtered out of the lymphatic fluid by what type of cell located within the lymph nodes? A) macrophages B) erythrocytes C) mast cells D) leukocytes E) plateletsarrow_forwardWhat are the functions of the (a) lymphocytes, (b) basophils, (c) monocytes, (d) eosinophils, and (e) neutrophils?arrow_forward
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