Homework Answers
Ans . The correct option for this is (b) that is plasma cell .plasma cells are found in bone marrow .Their main function is to produce large numbers of antibodies specific to particular antigens.
Ans 2 .This is so because our immune system is able to remember a pathogen for future attack.As long as the pathogen doesn't evolve our immune system will retain the memory from inital exposure to respond much faster on second exposure to same pathogen. Memory B cells are responsible for this retain of memory .
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Which cell type directly releases antibodies into the blood? Unactivated B cell Plasma cell O Memory...
Question 2 5 pts Explain why the immune system has a larger and faster response upon...
Question 2 5 pts Explain why the immune system has a larger and faster response upon second exposure to an antigen. HTML Editor na Β Ι Ο Α Α IX E 1 x x V lety VD IT 12p
antibodies A specific B cell is activated when an) from a pathogen binds to one of...
antibodies A specific B cell is activated when an) from a pathogen binds to one of the _ on its surface. Activation also requires from helper T cells. 1 antigen antigen This activated cell then begins dividing into memory B cells, which will participate in the secondary immune response, and cells that will act as protein factories in this immune response. plasma During the primary immune response, these cells secrete cytokines During the secondary immune response, the rapidly, giving rise...
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...
Blood type Frequency in U.S. RBC cell surface antigen Blood plasma antibodies Can receive packed cells...
Blood type Frequency in U.S. RBC cell surface antigen Blood plasma antibodies Can receive packed cells from… Can donate blood to… O- Universal Red Cell donor 9% None Anti-A Anti-B O- All Blood Types O+ 35% None Anti-A Anti-B O+, O- O+, A+, B+, AB+ A- 8% A Anti-B A-, O- A-, AB-, A+, AB+ A+ 34% A Anti-B A+, A-, O+, O- AB+, A+ B- 2% B Anti-A B-, O- B-, AB-, B+, AB+ B+ 8% B Anti-A B+,...
D Question 10 Which of the following cell type and cell function statements is NOT true:...
D Question 10 Which of the following cell type and cell function statements is NOT true: O a) Neutrophils function includes phagocytosis b) mast cells bind IgE in hypersensitivity reactions O deffector T helper cells regulate immune function by decreasing immune activity e) memory T helper cell retain the antigen affinity and provide recognition in secondary exposure O d) plasma cells provide antibody secretion Previous No new data to save. Last a
1. Which of the following complement activation pathways can be activated by antibodies? a. Lectin activation...
1. Which of the following complement activation pathways can be activated by antibodies? a. Lectin activation pathway b. Classical activation pathway c. Alternate activation pathway d. All of the above can be activated by antibodies. e. None of the above can be activated by antibodies. 2. Which of the following cells are leukocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e, none of the above 3 Which of the following cells are lymphocytes? a. NK...
Name: 43. Antigens can be found on... (a) flagella (b) cell walls (c) human cells (d)...
Name: 43. Antigens can be found on... (a) flagella (b) cell walls (c) human cells (d) all of the above 40. What is the site where stem cells develop and mature into T lymphocytes in humans? (a) spice (b) thymus (c) blood (d) bone marrow 47. Antigen presentation with MHC I molecules sensitizes which type of T cell? (a) cytotoxic T cells (b) helper T cells (c) plasma cells (d) all of the above 48. How does the Tc cell...
29. T-cell independent antigens can a. stimulate B cells to multiply and produce antibodies b. induce...
29. T-cell independent antigens can a. stimulate B cells to multiply and produce antibodies b. induce Te cells to function c. restrict antibody formation activate macrophages activate Th cells 30. Mutation of DNA that produces an altered ribosome is an example of what type of bacterial resistance mechanism? a. alteration of a metabolic pathway b. alteration of an enzyme c. development of enzymes d. alteration of target & d 31. Which one of the following is not an attribute of...
45. Antigens can be found on... (a) flagella (b ell walls (c) human cells (@a 46....
45. Antigens can be found on... (a) flagella (b ell walls (c) human cells (@a 46. What is the site where stem cells develop and mature into T lymphocytes in humans (b) thymus (c) blood (d) bone marrow b) cell walls (c) human cells (d) all of the above develop and mature into T lymphocytes in humans? (a) spleen 41. Antigen presentation with MHC I molecules sensities which type of T cell? (a) cytotox C (b) helper T cells (c)...
2. Which of the following cells are leukocytes? a. NK cells b. neutrophils c. monocytes d....
2. Which of the following cells are leukocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e. none of the above 3 Which of the following cells are lymphocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e. none of the above 4. Why do complement proteins not damage healthy cells normally? a. Complement proteins must be produced by activated leukocytes. b. Complement proteins must be activated by enzymatic cleavage. c. Leukocytes...
Question 2 5 pts Explain why the immune system has a larger and faster response upon second exposure to an antigen. HTML Editor na Β Ι Ο Α Α IX E 1 x x V lety VD IT 12p
antibodies A specific B cell is activated when an) from a pathogen binds to one of the _ on its surface. Activation also requires from helper T cells. 1 antigen antigen This activated cell then begins dividing into memory B cells, which will participate in the secondary immune response, and cells that will act as protein factories in this immune response. plasma During the primary immune response, these cells secrete cytokines During the secondary immune response, the rapidly, giving rise...
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...
D Question 10 Which of the following cell type and cell function statements is NOT true: O a) Neutrophils function includes phagocytosis b) mast cells bind IgE in hypersensitivity reactions O deffector T helper cells regulate immune function by decreasing immune activity e) memory T helper cell retain the antigen affinity and provide recognition in secondary exposure O d) plasma cells provide antibody secretion Previous No new data to save. Last a
1. Which of the following complement activation pathways can be activated by antibodies? a. Lectin activation pathway b. Classical activation pathway c. Alternate activation pathway d. All of the above can be activated by antibodies. e. None of the above can be activated by antibodies. 2. Which of the following cells are leukocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e, none of the above 3 Which of the following cells are lymphocytes? a. NK...
Name: 43. Antigens can be found on... (a) flagella (b) cell walls (c) human cells (d) all of the above 40. What is the site where stem cells develop and mature into T lymphocytes in humans? (a) spice (b) thymus (c) blood (d) bone marrow 47. Antigen presentation with MHC I molecules sensitizes which type of T cell? (a) cytotoxic T cells (b) helper T cells (c) plasma cells (d) all of the above 48. How does the Tc cell...
29. T-cell independent antigens can a. stimulate B cells to multiply and produce antibodies b. induce Te cells to function c. restrict antibody formation activate macrophages activate Th cells 30. Mutation of DNA that produces an altered ribosome is an example of what type of bacterial resistance mechanism? a. alteration of a metabolic pathway b. alteration of an enzyme c. development of enzymes d. alteration of target & d 31. Which one of the following is not an attribute of...
45. Antigens can be found on... (a) flagella (b ell walls (c) human cells (@a 46. What is the site where stem cells develop and mature into T lymphocytes in humans (b) thymus (c) blood (d) bone marrow b) cell walls (c) human cells (d) all of the above develop and mature into T lymphocytes in humans? (a) spleen 41. Antigen presentation with MHC I molecules sensities which type of T cell? (a) cytotox C (b) helper T cells (c)...
2. Which of the following cells are leukocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e. none of the above 3 Which of the following cells are lymphocytes? a. NK cells b. neutrophils c. monocytes d. all of the above e. none of the above 4. Why do complement proteins not damage healthy cells normally? a. Complement proteins must be produced by activated leukocytes. b. Complement proteins must be activated by enzymatic cleavage. c. Leukocytes...
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