Cell-mediated immunity is the function of (A) B lymphocytes (B) T lymphocytes (C) Plasma cells (D) Basophils

Cell-mediated immunity is the function of (A) B lymphocytes (B) T lymphocytes (C) Plasma cells (D) Basophils
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The following are true about cell-mediated immunity: a. antigen-specific function is the role of the T-lymphocytes b. cell-mediated immunity can activate the complement system c. it is responsible for the delayed hypersensitivity reaction. d. Gamma interferon is an important mediator of B-cell activation.

Description : The following are true about cell-mediated immunity: a. antigen-specific function is the role of the T-lymphocytes b. cell-mediated immunity can activate the complement system c. it is ... the delayed hypersensitivity reaction. d. Gamma interferon is an important mediator of B-cell activation.

Last Answer : cell-mediated immunity can activate the complement system

Which of the following terms refers to a form of white blood cell involved in immune response? a) Lymphocyte Both B and T lymphocytes respond to exposure to antigens. b) Granulocyte Granulocytes include basophils, neutrophils, and eosinophils. c) Spherocyte A spherocyte is a red blood cell without central pallor, seen with hemolysis. d) Thrombocyte A thombocyte is a platelet.

Description : Which of the following terms refers to a form of white blood cell involved in immune response? a) Lymphocyte Both B and T lymphocytes respond to exposure to antigens. b) Granulocyte Granulocytes ... blood cell without central pallor, seen with hemolysis. d) Thrombocyte A thombocyte is a platelet.

Last Answer : a) Lymphocyte Both B and T lymphocytes respond to exposure to antigens.

Acquired immunity consists of humoral immunity maintained by _____ and _____, and cell-mediated immunity controlled by _____ a. T cells, complement, B cells b. T cells, Interleukin, B cells c. B cells, antibodies, T cells d. B cells, histamine, T cells

Description : Acquired immunity consists of humoral immunity maintained by _____ and _____, and cell-mediated immunity controlled by _____ a. T cells, complement, B cells b. T cells, Interleukin, B cells c. B cells, antibodies, T cells d. B cells, histamine, T cells

Last Answer : c. B cells, antibodies, T cells

._________ cells are associated with immunity while_____________ cells are part of___________ immunity. a. B; cell-mediated; T; innate b. T; humoral; B; cellular c. T; cell-mediated; B; humoral d. T; humoral; B; nonspecific

Description : ._________ cells are associated with immunity while_____________ cells are part of___________ immunity. a. B; cell-mediated; T; innate b. T; humoral; B; cellular c. T; cell-mediated; B; humoral d. T; humoral; B; nonspecific

Last Answer : c. T; cell-mediated; B; humoral

Which of these is specifically responsible for antibody-mediated immunity? a) T cells b) B cells c) platelets d) All of the above

Description : Which of these is specifically responsible for antibody-mediated immunity? a) T cells b) B cells c) platelets d) All of the above

Last Answer : ANSWER: B -- B CELLS

Cromolyn has as its major action (a) Block of calcium channels in lymphocytes (b) Block of mediator release from mast cells (c) Block of phosphodiesterase in mast cells and basophils (d) Smooth muscle relaxation in the bronchi (e) Stimulation of cortisol release by the adrenals

Description : Cromolyn has as its major action (a) Block of calcium channels in lymphocytes (b) Block of mediator release from mast cells (c) Block of phosphodiesterase in mast cells and basophils (d) Smooth muscle relaxation in the bronchi (e) Stimulation of cortisol release by the adrenals

Last Answer : Ans: B

The largest cells in mammalian blood are – (1) Erythrocytes (2) Monocytes (3) Basophils (4) Lymphocytes

Description : The largest cells in mammalian blood are – (1) Erythrocytes (2) Monocytes (3) Basophils (4) Lymphocytes

Last Answer : (2) Monocytes Explanation: Various components of blood are: Plasma, Erythrocytes (Red Blood Cells), Leueocytes (White Blood Cells) and Thrombocyles/Platelets. Monocytes, also known as ... and cytoplasm is abundant. -For any Study materialContact WhatsApp: 8337932441 Join Telegram- Click here

Which are the largest of the white blood cells? A. lymphocytes B. eosinophils C. basophils D. monocytes (Answer)

Description : Which are the largest of the white blood cells? A. lymphocytes B. eosinophils C. basophils D. monocytes (Answer)

Last Answer : D. monocytes (Answer)

Which pair of cells represents granulocytes? a. Basophils and lymphocytes b. Neutrophils and eosinophils c. Eosinophils and monocytes d. Lymphocytes and monocytes

Description : Which pair of cells represents granulocytes? a. Basophils and lymphocytes b. Neutrophils and eosinophils c. Eosinophils and monocytes d. Lymphocytes and monocytes

Last Answer : b. Neutrophils and eosinophils

The largest cells in mammalian blood are (1) Erythrocytes (2) Monocytes (3) Basophils (4) Lymphocytes

Description : The largest cells in mammalian blood are (1) Erythrocytes (2) Monocytes (3) Basophils (4) Lymphocytes

Last Answer : Monocytes

What type of immune cell may control IgE-mediated hypersensitivities? a. Suppressor T cells b. Plasma cells c. Cytotoxic T cells d. Neutrophils

Description : What type of immune cell may control IgE-mediated hypersensitivities? a. Suppressor T cells b. Plasma cells c. Cytotoxic T cells d. Neutrophils

Last Answer : a. Suppressor T cells

Early granulation tissue is BEST characterized by the presence of: C A. Plasma cells and macrophages B. T lymphocytes and eosinophils C. Capillary buds and fibroblasts D. None of these

Description : Early granulation tissue is BEST characterized by the presence of: C A. Plasma cells and macrophages B. T lymphocytes and eosinophils C. Capillary buds and fibroblasts D. None of these

Last Answer : Capillary buds and fibroblast

AIDS virus destroys – (1) Lymphocytes (2) Monocytes (3) Neutrophils (4) Basophils

Description : AIDS virus destroys – (1) Lymphocytes (2) Monocytes (3) Neutrophils (4) Basophils

Last Answer : (1) Lymphocytes Explanation: AIDS virus destroys the T-cells inside of the immune system. T cells or T lymphocytes belong to a group of white blood cells known as lymphocytes, and play a central role in cell-mediated immunity.

Match the following columns and select the correct option. Column-I Column - II (A) Eosinophils (i) Immune response (B) Basophils (ii) Phagocytosis (C) Neutrophils (iii) Release histaminase, destructive enzymes (D) Lymphocytes (iv) Release granules containing histamine (A) (B) (C) (D) (a) (iii) (iv) (ii) (i) (b) (iv) (i) (ii) (iii) (c) (i) (ii) (iv) (iii) (d) (ii) (i) (iii) (iv)

Description : Match the following columns and select the correct option. Column-I Column - II (A) Eosinophils (i) Immune response (B) Basophils (ii) Phagocytosis (C) Neutrophils (iii) Release histaminase, destructive enzymes (D) Lymphocytes (iv) ... (iii) (c) (i) (ii) (iv) (iii) (d) (ii) (i) (iii) (iv)

Last Answer : (a) (iii) (iv) (ii) (i)

AIDS virus destroys (1) Lymphocytes (2) Monocytes (3) Neutrophils (4) Basophils

Description : AIDS virus destroys (1) Lymphocytes (2) Monocytes (3) Neutrophils (4) Basophils

Last Answer : Lymphocytes

Which of the following is NOT a lymphocyte? a. B-cells b. T-cell c. NK cells d. Basophils

Description : Which of the following is NOT a lymphocyte? a. B-cells b. T-cell c. NK cells d. Basophils

Last Answer : d. Basophils

An essential element of all allergy reactions is the a. Release of interferons from tissue cells. b. Accumulation of ige on the surfaces of mast cells and basophils. c. Passage of igg from the immune system to local tissue cells. d. Elimination of all traces of plasma cells from the body.

Description : An essential element of all allergy reactions is the a. Release of interferons from tissue cells. b. Accumulation of ige on the surfaces of mast cells and basophils. c. Passage of igg from the immune system to local tissue cells. d. Elimination of all traces of plasma cells from the body.

Last Answer : b. Accumulation of ige on the surfaces of mast cells and basophils.

Which are the cholesterol esters that enter cells through the receptor-mediated endocytosis of lipoproteins hydrolyzed? (A) Endoplasmin reticulum (B) Lysosomes (C) Plasma membrane receptor (D) Mitochondria

Description : Which are the cholesterol esters that enter cells through the receptor-mediated endocytosis of lipoproteins hydrolyzed? (A) Endoplasmin reticulum (B) Lysosomes (C) Plasma membrane receptor (D) Mitochondria

Last Answer : B

Which hormone helps in cell-mediated immunity? -Biology

Description : Which hormone helps in cell-mediated immunity? -Biology

Last Answer : answer:

Damage to thymus in a child may lead to (a) a reduction in haemoglobin content of blood (b) a reduction in stem cell production (c) loss of antibody mediated immunity (d) loss of cell mediated immunity.

Description : Damage to thymus in a child may lead to (a) a reduction in haemoglobin content of blood (b) a reduction in stem cell production (c) loss of antibody mediated immunity (d) loss of cell mediated immunity.

Last Answer : (d) loss of cell mediated immunity.

_____ responds to, distinguishes between and remembers specific pathogens it has encountered. a. Acquired immunity b. Innate immunity c. Humoral immunity d. Cell-mediated immunity

Description : _____ responds to, distinguishes between and remembers specific pathogens it has encountered. a. Acquired immunity b. Innate immunity c. Humoral immunity d. Cell-mediated immunity

Last Answer : a. Acquired immunity

In which of the following cell mediated immunity (CMI) participates? A.Delayed hypersensitivity reaction B.Graft versus host reaction C.Allograft rejection D.All of the above

Description : In which of the following cell mediated immunity (CMI) participates? A.Delayed hypersensitivity reaction B.Graft versus host reaction C.Allograft rejection D.All of the above

Last Answer : D.All of the above

In which of the following cell mediated immunity (CMI) participates? A.Delayed hypersensitivity reaction B.Graft versus host reaction C.Allograft rejection D.All of the above

Description : In which of the following cell mediated immunity (CMI) participates? A.Delayed hypersensitivity reaction B.Graft versus host reaction C.Allograft rejection D.All of the above

Last Answer : .All of the above

Cyclosporine has the following attributes except: A. It selectively suppresses humoral immunity without affecting cell mediated immunity B. It is more active as immunosuppressant when administered before antigen exposure than after it C. It is not toxic to the bone marrow D. Its major toxicity is kidney damage

Description : Cyclosporine has the following attributes except: A. It selectively suppresses humoral immunity without affecting cell mediated immunity B. It is more active as immunosuppressant when administered before antigen exposure ... It is not toxic to the bone marrow D. Its major toxicity is kidney damage

Last Answer : A. It selectively suppresses humoral immunity without affecting cell mediated immunity

Actions of progesterone include the following except: A. Rise in body temperature B. Endometrial proliferation C. Proliferation of acini in mammary gland D. Suppression of cell mediated immunity

Description : Actions of progesterone include the following except: A. Rise in body temperature B. Endometrial proliferation C. Proliferation of acini in mammary gland D. Suppression of cell mediated immunity

Last Answer : B. Endometrial proliferatio

Monoclonal antibodies are prepared by cloning (A) Myeloma cells (B) Hybridoma cells (C) T-Lymphocytes (D) B-Lymphocytes

Description : Monoclonal antibodies are prepared by cloning (A) Myeloma cells (B) Hybridoma cells (C) T-Lymphocytes (D) B-Lymphocytes

Last Answer : Answer : B

Assertion : Artificially acquired passive immunity results when antibodies or lymphocytes produced outside the host are introduced into a host. Reason

Description : Assertion : Artificially acquired passive immunity results when antibodies or lymphocytes produced outside the host are introduced into a host. Reason

Last Answer : Assertion : Artificially acquired passive immunity results when antibodies or lymphocytes produced outside ... both the assertion and reason are false

The immune system normally discriminates between which types of antigens. a) B and T cells b) self and non-self c) humoral and cell-mediated d) primary and secondary

Description : The immune system normally discriminates between which types of antigens. a) B and T cells b) self and non-self c) humoral and cell-mediated d) primary and secondary

Last Answer : ANSWER: B -- SELF AND NON-SELF

Which are the cholesterol esters that enter cells through the receptor-mediated endocytosis of lipoproteins hydrolyzed? (A) Endoplasmin reticulum (B) Lysosomes (C) Plasma membrane receptor (D) Mitochondria

Description : Which are the cholesterol esters that enter cells through the receptor-mediated endocytosis of lipoproteins hydrolyzed? (A) Endoplasmin reticulum (B) Lysosomes (C) Plasma membrane receptor (D) Mitochondria

Last Answer : (B) Lysosomes

The initiation of a humoral immune response involves a complex interaction of the antigen, cells and intercellular messengers. Which of the following statement(s) concerning the initiation of the humoral immune response is/are correct? a. Helper T lymphocytes stimulate B lymphocytes through secretion of cytokines such as interleukin 4 and 6 b. A number of cells can aid in presenting the antigen to the helper T cell including B lymphocytes and macrophages c. All antigens require coordinated efforts of the various cellular components of the immune system d. An antigen must be a living microorganism

Description : The initiation of a humoral immune response involves a complex interaction of the antigen, cells and intercellular messengers. Which of the following statement(s) concerning the initiation of the ... various cellular components of the immune system d. An antigen must be a living microorganism

Last Answer : Answer: a, b Stimulation of the immune system occurs after a variety of antigen-presenting cells (B lymphocytes, macrophages, dendritic cells, and Langerhans cells) act to engulf ... polysaccharides), most antigens require coordinated efforts of the various cellular components of the immune system

Predominant cell types in typical chronic inflammation are all of the following EXCEPT: A A. Polymorphonuclear leukocytes B. Macrophages C. T helper lymphocytes D. NK cells

Description : Predominant cell types in typical chronic inflammation are all of the following EXCEPT: A A. Polymorphonuclear leukocytes B. Macrophages C. T helper lymphocytes D. NK cells

Last Answer : Polymorphonuclear leukocytes

Epithelioid cells within granulomas are derived from which of the following? B A. Plasma cells B. Macrophages C. Lymphocytes D. Neutrophils

Description : Epithelioid cells within granulomas are derived from which of the following? B A. Plasma cells B. Macrophages C. Lymphocytes D. Neutrophils

Last Answer : Macrophages

Each of the following regarding plasma cells is true EXCEPT: C A. The nuclei display prominent peripheral chromatin B. They are derived from B lymphocytes C. They contain prominent absorptive vacuoles D. None of these

Description : Each of the following regarding plasma cells is true EXCEPT: C A. The nuclei display prominent peripheral chromatin B. They are derived from B lymphocytes C. They contain prominent absorptive vacuoles D. None of these

Last Answer : They contain prominent absorptive vacuoles

Epithelioid cells within granulomas are derived from which of the following? B A. Plasma cells B. Macrophages C. Lymphocytes D. None of these

Description : Epithelioid cells within granulomas are derived from which of the following? B A. Plasma cells B. Macrophages C. Lymphocytes D. None of these

Last Answer : Macrophages

Which of the following elements is not found in normal periodontal membrane: A. Fibroblast B. Epithelial cells C. Erythrocytes D. Vest cells of malaise E. Inflammatory plasma cells and lymphocytes

Description : Which of the following elements is not found in normal periodontal membrane: A. Fibroblast B. Epithelial cells C. Erythrocytes D. Vest cells of malaise E. Inflammatory plasma cells and lymphocytes

Last Answer : C. Erythrocytes

What is the histopathology of the pathogenesis of the plaque following 21 days of plaque accumulation: A. Primarily infiltrate of plasma cells B. Primarily infiltrate of lymphocytes C. Infiltrate of plasma cells and early bone involvement D. Infiltrate of neutrophils

Description : What is the histopathology of the pathogenesis of the plaque following 21 days of plaque accumulation: A. Primarily infiltrate of plasma cells B. Primarily infiltrate of lymphocytes C. Infiltrate of plasma cells and early bone involvement D. Infiltrate of neutrophils

Last Answer : C. Infiltrate of plasma cells and early bone involvement

White blood cells are called: a) lymphocytes b) leucocytes c) plasma

Description : White blood cells are called: a) lymphocytes b) leucocytes c) plasma

Last Answer : ANSWER: B -- LEUCOCYTES

Histamine is synthesised in (A) Brain (B) Mast cells (C) Basophils (D) All of these

Description : Histamine is synthesised in (A) Brain (B) Mast cells (C) Basophils (D) All of these

Last Answer : Answer : D

IgE has a tendency to attach to (A) Basophils (B) Mast cells (C) Both (A) and (B) (D) None of these

Description : IgE has a tendency to attach to (A) Basophils (B) Mast cells (C) Both (A) and (B) (D) None of these

Last Answer : Answer : C

Lymphocytes are responsible for the formation of (A) Serum (B) Plasma (C) Antibody (D) Calcium

Description : Lymphocytes are responsible for the formation of (A) Serum (B) Plasma (C) Antibody (D) Calcium

Last Answer : Answer : C

The function of lymphocytes is/are________ a. Production of heparin b. Production of antibodies c. Production of plasma d. Production of haemoglobin protein

Description : The function of lymphocytes is/are________ a. Production of heparin b. Production of antibodies c. Production of plasma d. Production of haemoglobin protein

Last Answer : b. Production of antibodies

The functions of plasma albumin are (A) Osmosis (B) Transport (C) Immunity (D) both (A )and (B)

Description : The functions of plasma albumin are (A) Osmosis (B) Transport (C) Immunity (D) both (A )and (B)

Last Answer : Answer : A

The functions of plasma albumin are (A) Osmosis (B) Transport (C) Immunity (D) both (A )and (B)

Description : The functions of plasma albumin are (A) Osmosis (B) Transport (C) Immunity (D) both (A )and (B)

Last Answer : (A) Osmosis

Which of the following statement(s) is/are true concerning the cell function of phagocytosis? a. Phagocytosis is a mechanistically distinct process of endocytosis performed by special cells to take up larger particles such as bacteria or erythrocytes b. Lymphocytes are the primary blood cell involved with this process c. The process involves a coating of the cytoplasmic surface known as clathrin d. Phagocytosis is performed only by white blood cells and tissue macrophages

Description : Which of the following statement(s) is/are true concerning the cell function of phagocytosis? a. Phagocytosis is a mechanistically distinct process of endocytosis performed by special cells to take ... known as clathrin d. Phagocytosis is performed only by white blood cells and tissue macrophages

Last Answer : Answer: a Phagocytosis is a specialized form of endocytosis by which large particles are internalized by specialized cells primarily macrophages and neutrophils. To be phagocytosed, particles ... the lumen of the thyroid follicle, thereby releasing the thyroid hormones, thyroxine triiodothyronine

Type I ADR reactions is___________ a) Caused when T-cells bind to a specific antigen b) Caused by tissue injury c) IgE mediated d) Caused by cytotoxic antibodies

Description : Type I ADR reactions is___________ a) Caused when T-cells bind to a specific antigen b) Caused by tissue injury c) IgE mediated d) Caused by cytotoxic antibodies

Last Answer : c) IgE mediated 

At which stage of HIV infection does one usually show symptoms of AIDS? (a) Within 15 days of sexual contact with an infected person (b) When the infected retro virus enters host cells (c) When HIV damages large number of helper T  - lymphocytes (d) When the viral DNA is produced by reverse transcriptase

Description : At which stage of HIV infection does one usually show symptoms of AIDS? (a) Within 15 days of sexual contact with an infected person (b) When the infected retro virus enters host cells (c) ... large number of helper T  - lymphocytes (d) When the viral DNA is produced by reverse transcriptase

Last Answer : (c) When HIV damages large number of helper T  - lymphocytes

The following are true about lymphocytes: a. T cells account for 20% of the circulating lymphocytes b. in the spleen, B cells are found in the periarteriolar areas of white pulp c. in the lymph nodes, T cells occupy the paracortical area surrounding the germinal centres. d. B cells but not T cells express surface Ig G

Description : The following are true about lymphocytes: a. T cells account for 20% of the circulating lymphocytes b. in the spleen, B cells are found in the periarteriolar areas of white pulp c. in the ... paracortical area surrounding the germinal centres. d. B cells but not T cells express surface Ig G

Last Answer : in the lymph nodes, T cells occupy the paracortical area surrounding the germinal centres

The following are true : a. the HLA proteins are found within the cytoplasm of the cells b. HLA class I antigens are expressed on all cells with nuclei c. HLA class II antigens presents the virus infected cells to cytotoxic T lymphocytes d. HLA genes are found on chromosome 6 e. HLA tissue typing is carried out in all forms of transplantation to prevent rejection

Description : The following are true : a. the HLA proteins are found within the cytoplasm of the cells b. HLA class I antigens are expressed on all cells with nuclei c. HLA class II antigens presents ... on chromosome 6 e. HLA tissue typing is carried out in all forms of transplantation to prevent rejection

Last Answer : HLA class I antigens are expressed on all cells with nuclei

Which of the following responses identifies a role of T lymphocytes? a) Transplant rejection Transplant rejection and graft-versus-host disease are cellular response roles of T cells.

Description : Which of the following responses identifies a role of T lymphocytes? a) Transplant rejection Transplant rejection and graft-versus-host disease are cellular response roles of T cells. ... ) Bacterial phagocytosis and lysis Bacterial phagocytosis and lysis are humoral response roles of Blymphocytes.

Last Answer : a) Transplant rejection Transplant rejection and graft-versus-host disease are cellular response roles of T cells.