Homework Answers
Question 17 Chemokines
Cells near the injury, releases a series of chemical signals which radiate from the site of inflammation. These signal proteins are called chemokines and their concentration is greatest in the area immediately surrounding the infection. The gradient of chemokine concentration provides an important road map for phagocytotic WBC including neutrophils as they make their way onto the scene. Following ever increasing chemokine concentration, phagocytes exit the leaky capillaries and enter the site of infection. Here they work engulfing and destroying the pathogens present. With the infection taken care of, the wound site begins to heal. After they engulf pathogen particles and eventually die these WBC eventually make up the pus that we associate with infected cuts and scrapes.
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QUESTION 17 Cytokines that play a role in the inflammatory response by enabling white blood cells...
15. Cytokines produced in an inflamed tissue but induce fever by entering the blood stream and...
15. Cytokines produced in an inflamed tissue but induce fever by entering the blood stream and effecting neuronal cells are described to have what type of effect? a. Autocrine b. Paracrine c. Endocrine d. None of the above 1 6. Which of the following is NOT true about chemokines? a. Form a gradient to direct immune cell trafficking b. Induce effector functions of immune cells c. Bind a receptor with a unique seven transmembrane domain d. Are only produced by...
QUESTION 28 This is usually the body's first response to infection and injury. Most of the...
QUESTION 28 This is usually the body's first response to infection and injury. Most of the body defense elements are located in the blood and this process is the means by which body defense cells and defense chemicals leave the blood and enter the tissue around the injured or infected site. The release of cytokines eventually leads to vasodilation of blood vessels and increased capillary permeability. This best describes what? The serum lysis of Gram-negative bacteria Enhanced attachment (opsonization) Antibacterial...
Question 6 (2 points) What role does inflammation play in the immune response? it allows increased...
Question 6 (2 points) What role does inflammation play in the immune response? it allows increased delivery of white blood cells, oxygen, and nutrients to the site of infection it isolates the site of infection from the rest of the body it allows increased blood flow to the brain it signals the location of the infection in your body Question 7 (2 points) Which of the following is true of viruses? they are composed of cells similar to those of...
Produces antibodies; an activated B cell Related to T cells but show no antigen specificity; active...
Produces antibodies; an activated B cell Related to T cells but show no antigen specificity; active against cancer and viral infections Reside throughout the RES; process and present foreign matter to lymphocytes Participate in cell-mediated immunity; modulate immune functions Nonmotile; bound to connective tissue; trigger local inflammatory reactions Small; second most common white blood cell; two types Scarcest type; function in inflammation and allergies; attract white blood cells toward site of infection Mature in bone marrow; part of memory; humoral...
the components of the DNA include a phosphate molecule 1. Tissue injury occurs. 2. Cellular damage...
the
components of the DNA include a phosphate molecule
1. Tissue injury occurs. 2. Cellular damage and mast cells which are found in all tissues of the body, release 3. Histamine causes blood vessels to dilatt 4. Dilation of blood vessels causes an incrasc 5. Dilation of blood vessels also increases capillary cellular components of the blood to enter the extracellular space. 6. The first line of defense is the white blood cells known asDeutrophi S 7. Fluid leaves the...
Question 33 (6 points) Match each description to a leukocyte. Function as macrophages when in tissue...
Question 33 (6 points) Match each description to a leukocyte. Function as macrophages when in tissue fluid Phagocytic, 1st to arrive at infection site > Most numerous type of white blood cell v Granules stain purple in acid-base stain 31 SOS MacBook Pro v Granules stain purple in acid-base stain Responsible for immunity 1. Basophils Least numerous type of white blood cell 2. Eosinophils Granules stain blue in base stain 3. Lymphocytes 4. Monocytes Found in response to allergies and...
BIOL 1307.001 GENERAL BIOLOGY II Homework no. 7. Blood and Immune System Blood. For veins, (C)...
BIOL 1307.001 GENERAL BIOLOGY II Homework no. 7. Blood and Immune System Blood. For veins, (C) if to veins fach description below, write in the blank (A) if the description best applies to arteries. (V) ( capillaries, (R) red blood cells, (W) white blood cells, (P) platelets, or (B) blood plasma. 1. back-flow valves carries dissolved carbon dioxide (CO2) and waste products for removal 3. carry blood away from heart 4. carry blood toward heart 5. cells that carry oxygen...
QUESTION 1 Which of the following is the primary function of red blood cells? A. Fight...
QUESTION 1 Which of the following is the primary function of red blood cells? A. Fight infection B. Oxygen Transport C. Aid in coagulation D. Participate in inflammatory reactions 1 points QUESTION 2 Malaria can be a serious illness because of which of the following? A. It causes premature red blood cell break down B. It infects and destroys lymphocytes C. It causes a decrease in the production of red blood cells D. It causes a vitamin B12 deficiency...
Question Completion Status: QUESTION 14 Following an injury, the vascular phase of inflammation is primarily responsible...
Question Completion Status: QUESTION 14 Following an injury, the vascular phase of inflammation is primarily responsible for O Loss of function O Pain O Verbalization of the event O Redness and swelling QUESTION 15 For evaporation to function effectively as a means of dissipating excess body heat, which one of the following conditions must be present? O moisture O fever O pyrogens O trauma QUESTION 16 Heat is lost from the skin through O Radiation O Convection Evaporation O All...
E 87. In one primary immunodeficiency disease white blood cells cannot initiate an inflammatory response to...
E 87. In one primary immunodeficiency disease white blood cells cannot initiate an inflammatory response to infection organisms. What disease is it? A Chronic granulomatous disease wiskott-Aldrich syndrome Hyperimmunoglobulinemia E syndrome Common variable immunodeficiency 288. A new AIDS patient is being admitted to your unit while you are doing the admission assessment you are aware that you need to include what (Mark all that apply) A Patient's physical status B. Identification of potential risk factors All factors affecting immune system...
QUESTION 28 This is usually the body's first response to infection and injury. Most of the body defense elements are located in the blood and this process is the means by which body defense cells and defense chemicals leave the blood and enter the tissue around the injured or infected site. The release of cytokines eventually leads to vasodilation of blood vessels and increased capillary permeability. This best describes what? The serum lysis of Gram-negative bacteria Enhanced attachment (opsonization) Antibacterial...
Question 6 (2 points) What role does inflammation play in the immune response? it allows increased delivery of white blood cells, oxygen, and nutrients to the site of infection it isolates the site of infection from the rest of the body it allows increased blood flow to the brain it signals the location of the infection in your body Question 7 (2 points) Which of the following is true of viruses? they are composed of cells similar to those of...
Produces antibodies; an activated B cell Related to T cells but show no antigen specificity; active against cancer and viral infections Reside throughout the RES; process and present foreign matter to lymphocytes Participate in cell-mediated immunity; modulate immune functions Nonmotile; bound to connective tissue; trigger local inflammatory reactions Small; second most common white blood cell; two types Scarcest type; function in inflammation and allergies; attract white blood cells toward site of infection Mature in bone marrow; part of memory; humoral...
the
components of the DNA include a phosphate molecule
1. Tissue injury occurs. 2. Cellular damage and mast cells which are found in all tissues of the body, release 3. Histamine causes blood vessels to dilatt 4. Dilation of blood vessels causes an incrasc 5. Dilation of blood vessels also increases capillary cellular components of the blood to enter the extracellular space. 6. The first line of defense is the white blood cells known asDeutrophi S 7. Fluid leaves the...
Question 33 (6 points) Match each description to a leukocyte. Function as macrophages when in tissue fluid Phagocytic, 1st to arrive at infection site > Most numerous type of white blood cell v Granules stain purple in acid-base stain 31 SOS MacBook Pro v Granules stain purple in acid-base stain Responsible for immunity 1. Basophils Least numerous type of white blood cell 2. Eosinophils Granules stain blue in base stain 3. Lymphocytes 4. Monocytes Found in response to allergies and...
BIOL 1307.001 GENERAL BIOLOGY II Homework no. 7. Blood and Immune System Blood. For veins, (C) if to veins fach description below, write in the blank (A) if the description best applies to arteries. (V) ( capillaries, (R) red blood cells, (W) white blood cells, (P) platelets, or (B) blood plasma. 1. back-flow valves carries dissolved carbon dioxide (CO2) and waste products for removal 3. carry blood away from heart 4. carry blood toward heart 5. cells that carry oxygen...
Question Completion Status: QUESTION 14 Following an injury, the vascular phase of inflammation is primarily responsible for O Loss of function O Pain O Verbalization of the event O Redness and swelling QUESTION 15 For evaporation to function effectively as a means of dissipating excess body heat, which one of the following conditions must be present? O moisture O fever O pyrogens O trauma QUESTION 16 Heat is lost from the skin through O Radiation O Convection Evaporation O All...
E 87. In one primary immunodeficiency disease white blood cells cannot initiate an inflammatory response to infection organisms. What disease is it? A Chronic granulomatous disease wiskott-Aldrich syndrome Hyperimmunoglobulinemia E syndrome Common variable immunodeficiency 288. A new AIDS patient is being admitted to your unit while you are doing the admission assessment you are aware that you need to include what (Mark all that apply) A Patient's physical status B. Identification of potential risk factors All factors affecting immune system...
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