What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 27, Problem 3SA
Summary Introduction
To analyze:
Why white blood cells do not mount an attack on the body's own cells.
Introduction:
The immune cells use molecules to recognize self and foreign cells.
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What Is Life? A Guide to Biology with Physiology
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- Watch this video (http://openstaxcollege.org/l/oxyblood) to see the transport of oxygen from the lungs to the tissues. Why is oxygenated blood bright red, whereas deoxygenated blood tends to be more of a purple color?arrow_forwardWhatresults in the specificity of an antibody (i.e. one antibody can bind only one particular antigen)? Whichtype of lymphocyte makes antibodies?arrow_forwardLymph node enlargementWhy do lymph nodes enlarge during some infections?arrow_forward
- Someone bitten by a poisonous snake should be given someantivenom (antibodies) to prevent death. If the person is bitten bythe same type of snake 3 years after the initial bite, will he or shehave immunity to the venom, or should the person get another shotof antivenom? Justify your response with an explanation of the typeof immunity someone gains from a shot of antibodies.arrow_forwardThe organ that contains red pulp, which filters the blood, andwhite pulp, where lymphocytes respond to antigens in theblood, is thea. bone marrow. c. spleen.b. lymph node. d. thymus.arrow_forwardWhat type of blood cell fights infection and invaders in the body? A) White Blood CellsB) PlateletsC) PlasmaD) Red Blood Cellsarrow_forward
- Rh-D negative individuals generatean immunne response when they are exposed to the Rh-D antigen. However, imcompatibility in the ABO blood group system occurs naturally in the absenceof exposure to the Aor B antigen in the blood from another individuals. Why do individuals produce an immune response the first time they encounnter the A or B antigen as an adult?arrow_forwardIn the absence of infection, what percentage of cells in human blood are leukocytes?arrow_forwardFill in the blank: Red blood cells with high oxygen concentrations are bright red because of the presence of_______________________.arrow_forward
- hematopoietic tissues the cells that undergo mitosis to produce all type of blood cells are known as a) lymphocytes b) hemocytoblasts c) reticulocytes d) megakaryocytesarrow_forwardThe specific action of hemolysins is toa. damage white blood cellsb. cause feverc. damage red blood cellsd. cause leukocytosisarrow_forwardTetanus (commonly known as lockjaw) is a severe illness thatcauses painful muscle spasms and convulsions and can leadto death. If adults are advised to get a tetanus booster shotabout once every 10 years, what is the probable life span ofthe tetanus-detecting memory B-lymphocytes?arrow_forward
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