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I Differentiate primary immune response from secondary immune response. If the following statements best describe a primary response, write Pon the blank; if a secondary response, write Son theblank. _1. The initial response to an antigen; gearing-upstage 2. A lag period of several days occurs before antibodies specific to the antigen appear in thebloodstream. _3. Antibody levels increase rapidly and remain high for an extendedperiod. _4. Immunologic memory isestablished. _5. The second, third, and subsequent responses to the sameantigen. I Several populations of T cells exist. Match the terms in Column B to the descriptions in Column A. Write the letter of your choice on the blank. ColumnA Column B A - Helper Tcell B - Killer Tcell C- Suppressor Tcell _1. Binds with B cellsandreleases chemicals that activateBcells, T cells,andmacrophages 2. Activated by recognizing both its antigen and a self- proteinpresented on the surface of amacrophage 3. Turns off the immune response when the "enemy" has beenrouted 4. Directly attacks and lyses cellularpathogens

I Differentiate primary immune response from secondary immune response. If the following statements best describe a primary response, write Pon the blank; if a secondary response, write Son theblank. _1. The initial response to an antigen; gearing-upstage 2. A lag period of several days occurs before antibodies specific to the antigen appear in thebloodstream. _3. Antibody levels increase rapidly and remain high for an extendedperiod. _4. Immunologic memory isestablished. _5. The second, third, and subsequent responses to the sameantigen. I Several populations of T cells exist. Match the terms in Column B to the descriptions in Column A. Write the letter of your choice on the blank. ColumnA Column B A - Helper Tcell B - Killer Tcell C- Suppressor Tcell _1. Binds with B cellsandreleases chemicals that activateBcells, T cells,andmacrophages 2. Activated by recognizing both its antigen and a self- proteinpresented on the surface of amacrophage 3. Turns off the immune response when the "enemy" has beenrouted 4. Directly attacks and lyses cellularpathogens

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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K Differentiate primary immune response from secondary immune response. If the following statements best describe a primary response, write Pon the blank; if a secondary response, write Son theblank. 1. The initial response to an antigen; gearing-upstage 2. A lag period of several days occurs before antibodies specific to the antigen appear in thebloodstream. 3. Antibody levels increase rapidly and remain high for an extendedperiod. _4. Immunologic memory isestablished. 5. The second, third, and subsequent responses to the sameantigen. X Several populations of T cells exist. Match the terms in Column B to the descriptions in Column A. Write the letter of your choice on the blank. ColumnA 1. Binds with B cellsandreleases chemicals that activateBcells, T cells,andmacrophages _2. Activated by recognizing both its antigen and a self- proteinpresented on the surface of amacrophage 3. Turns off the immune response Column B A - Helper Tcell B - Killer Tcell C- Suppressor Tcell when the "enemy" has beenrouted 4. Directly attacks and lyses cellularpathogens I Application 1. Use of birth control pills decreases the acidity of the vaginal tract. Why might this increase the incidence of vaginal infection(vaginitis)? 23 COLEGIO SAN AGUSTIN- BACOLOD MBIO 101 LABORATORY ACTIVITY 2. A young man is rushed to the emergency room after fainting. His blood pressure is alarmingly low, and his companion reports the man collapsed shortly after being stung by a wasp. What has caused his hypotension? What treatment will be givenimmediately? 3. James, a 36-year-old engineer, appeared at the clinic in an extremely debilitated condition. He had purple-brown lesions on his skin and a persistent cough. A physical examination revealed swollen lymph nodes. Laboratory tests revealed a low lymphocyte count. Information taken during the personal history revealed that James was homosexual. The skin lesions proved to be evidence of Kaposi's sarcoma. What is James'problem?
Transcribed Image Text:K Differentiate primary immune response from secondary immune response. If the following statements best describe a primary response, write Pon the blank; if a secondary response, write Son theblank. 1. The initial response to an antigen; gearing-upstage 2. A lag period of several days occurs before antibodies specific to the antigen appear in thebloodstream. 3. Antibody levels increase rapidly and remain high for an extendedperiod. _4. Immunologic memory isestablished. 5. The second, third, and subsequent responses to the sameantigen. X Several populations of T cells exist. Match the terms in Column B to the descriptions in Column A. Write the letter of your choice on the blank. ColumnA 1. Binds with B cellsandreleases chemicals that activateBcells, T cells,andmacrophages _2. Activated by recognizing both its antigen and a self- proteinpresented on the surface of amacrophage 3. Turns off the immune response Column B A - Helper Tcell B - Killer Tcell C- Suppressor Tcell when the "enemy" has beenrouted 4. Directly attacks and lyses cellularpathogens I Application 1. Use of birth control pills decreases the acidity of the vaginal tract. Why might this increase the incidence of vaginal infection(vaginitis)? 23 COLEGIO SAN AGUSTIN- BACOLOD MBIO 101 LABORATORY ACTIVITY 2. A young man is rushed to the emergency room after fainting. His blood pressure is alarmingly low, and his companion reports the man collapsed shortly after being stung by a wasp. What has caused his hypotension? What treatment will be givenimmediately? 3. James, a 36-year-old engineer, appeared at the clinic in an extremely debilitated condition. He had purple-brown lesions on his skin and a persistent cough. A physical examination revealed swollen lymph nodes. Laboratory tests revealed a low lymphocyte count. Information taken during the personal history revealed that James was homosexual. The skin lesions proved to be evidence of Kaposi's sarcoma. What is James'problem?
L T cells and B cells exhibit certain similarities and differences. Check () the appropriate spaces in the table below to indicate the lymphocyte type that exhibits eachcharacteristic. Characteristi cell cell Originates in bone marrow from stem cells called hemocytoblasts Progeny are plasma cells Progeny include suppressors, helpers, and killer cells Progeny include memory cells Is responsible for directly attacking foreign cells or virus-infected cells Produce antibodies that are released to body fluids Bears a cell-surface receptor capable of recognizing a specific antigen Forms clones upon stimulation Accounts for most of the lymphocytes in the circulation
Transcribed Image Text:L T cells and B cells exhibit certain similarities and differences. Check () the appropriate spaces in the table below to indicate the lymphocyte type that exhibits eachcharacteristic. Characteristi cell cell Originates in bone marrow from stem cells called hemocytoblasts Progeny are plasma cells Progeny include suppressors, helpers, and killer cells Progeny include memory cells Is responsible for directly attacking foreign cells or virus-infected cells Produce antibodies that are released to body fluids Bears a cell-surface receptor capable of recognizing a specific antigen Forms clones upon stimulation Accounts for most of the lymphocytes in the circulation
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