Homework Answers
T cells - mature in the bone marrow. ( All lymphocytes mature in bone marrow from immature cells called as stem cells. T cells is one of type of lymphocytes. )
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• All of these are functions of surface markers 3. T-cells circulate in low numbers in...
Question 4 1 pt Which of the following is true of B cells (select ALL that...
Question 4 1 pt Which of the following is true of B cells (select ALL that apply): born in the bone marrow O can differentiate into plasma cells some types can directly kill a target cell mature in the bone marrow born in the thymus mature in the thymus make antibodies can differentiate into memory cells are considered "antigen-presenting" cells Question 5 1 pts B cell activation requires (select ALL that apply): antiren binding to antibody on B cell surface
Helper T cell numbers are lowered in individuals with AIDS. Which of the following are functions...
Helper T cell numbers are lowered in individuals with AIDS. Which of the following are functions of these helper T cells that may contribute to the symptoms from AIDS? a. activation of neutrophils b. activation of B cells to make antibodies c. increased bone marrow production of lymphocytes d. both activation of B cells to make antibodies and activation of cytotoxic T lymphocytes e. activation of cytotoxic T lymphocytes Which of the following is NOT part of the digestive system?...
A. Match the following cells rith their meanings below: hematopoietic stem cell lymphocyte mопосyte basophil cosinophil...
A. Match the following cells rith their meanings below: hematopoietic stem cell lymphocyte mопосyte basophil cosinophil erythyocyte neutrophil platelet 1. red blood cell white blood cell: phagocyte and precursor of a macrophage 2. 3. thrombocyte bone marrow cell; gives rise to many types of blood cells 4. 5. leukocyte formed in lymph tissue; produces antibodies 6. leukocyte with dense reddish granules; associated with allergic reactions 7. leukocyte (poly) formed in bone marrow and having neutral-staining granules 8. leukocyte whose granules...
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...
I REQUEST ALL THE ANSWERS PLEASE Question 11 (2 points) Surface markers on pathogens are sometimes...
I REQUEST ALL THE ANSWERS PLEASE Question 11 (2 points) Surface markers on pathogens are sometimes referred to as: Question 11 options: A) PRRs B) TLRs C) PAMPs D) Fc receptors E) none of these Question 12 (2 points) In a normal individual, a T cell that interacts with a self-antigen in the thymus will more than likely undergo what process (which answer is best)? Question 12 options: A) apoptosis B) release granules C) activation D) extravasation E) anergy Question...
1. The dense layer that covers the compact bone surface is called periosteum. Answer a) True...
1. The dense layer that covers the compact bone surface is called periosteum. Answer a) True b) False 2. What type of bone is the scapula? Answer a) Flat b) Long c) Short d) Irregular 3. The fibrous band connecting bone and bone is called tendon Answer: a) True b) False 4. Which if the following statement about bone marrow is false? Answer: a) Marrow conversion from red to yellow begins at the center of the long bone b) In...
Hi, for the question, please fill it yes or no for each part bolded. Susan and...
Hi, for the question, please fill it yes or no for each part bolded. Susan and Joe were worried. Their little boy, Daniel, had been having an awful lot of bacterial infections and he was barely a year old. It seemed that the antibiotics cleared up one bacterial respiratory infection only to have another follow shortly. The scary thing was that Daniel had just fought off a case of pneumonia caused by Pneumocystis carnii, a fungal infection that was usually...
1.One group of immune deficiency diseases is caused by an inability of CD8 effector T cells...
1.One group of immune deficiency diseases is caused by an inability of CD8 effector T cells to kill virus-infected target cells, due to defects in cytotoxic vesicle exocytosis. Because of the inflammatory response that accompanies a normal virus infection, together with the prolongation of this response due to the inability to control the infection, patients with these disorders suffer from tissue damage caused by the infiltration of effector CD8 cells and activated macrophages into multiple organs. In addition, a subset...
A. red blood cell B. white blood cells C. platelets D. all of the above E....
A. red blood cell B. white blood cells C. platelets D. all of the above E. none of the above Questions 57 through 67: 57. carries oxygen 58. contains hemoglobin 59. neutrophils 60. made in bone marrow 61. these are cell fragments from megakaryocytes 62. most abundant promote clotting reactions 64. B and T cells 65. plasma 66. each has a biconcave shape 67. cells that lack a nucleus and organelles 63.
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)...
Question 4 1 pt Which of the following is true of B cells (select ALL that apply): born in the bone marrow O can differentiate into plasma cells some types can directly kill a target cell mature in the bone marrow born in the thymus mature in the thymus make antibodies can differentiate into memory cells are considered "antigen-presenting" cells Question 5 1 pts B cell activation requires (select ALL that apply): antiren binding to antibody on B cell surface
A. Match the following cells rith their meanings below: hematopoietic stem cell lymphocyte mопосyte basophil cosinophil erythyocyte neutrophil platelet 1. red blood cell white blood cell: phagocyte and precursor of a macrophage 2. 3. thrombocyte bone marrow cell; gives rise to many types of blood cells 4. 5. leukocyte formed in lymph tissue; produces antibodies 6. leukocyte with dense reddish granules; associated with allergic reactions 7. leukocyte (poly) formed in bone marrow and having neutral-staining granules 8. leukocyte whose granules...
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...
1. The dense layer that covers the compact bone surface is called periosteum. Answer a) True b) False 2. What type of bone is the scapula? Answer a) Flat b) Long c) Short d) Irregular 3. The fibrous band connecting bone and bone is called tendon Answer: a) True b) False 4. Which if the following statement about bone marrow is false? Answer: a) Marrow conversion from red to yellow begins at the center of the long bone b) In...
A. red blood cell B. white blood cells C. platelets D. all of the above E. none of the above Questions 57 through 67: 57. carries oxygen 58. contains hemoglobin 59. neutrophils 60. made in bone marrow 61. these are cell fragments from megakaryocytes 62. most abundant promote clotting reactions 64. B and T cells 65. plasma 66. each has a biconcave shape 67. cells that lack a nucleus and organelles 63.
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)...
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