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

The largest cells in mammalian blood are – (1) Erythrocytes (2) Monocytes (3) Basophils (4) Lymphocytes
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(2) Monocytes Explanation: Various components of blood are: Plasma, Erythrocytes (Red Blood Cells), Leueocytes (White Blood Cells) and Thrombocyles/Platelets. Monocytes, also known as macrophages, are the largest blood cells in most mammals, measuring 10-15 m in diameter. They are leucocytes. Their nuclei are kidney-shaped and cytoplasm is abundant. -For any Study materialContact WhatsApp: 8337932441 Join Telegram- Click here
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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

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

Component of blood responsible for producing antibodies is (a) thrombocytes (b) monocytes (c) erythrocytes (d) lymphocytes

Description : Component of blood responsible for producing antibodies is (a) thrombocytes (b) monocytes (c) erythrocytes (d) lymphocytes

Last Answer : (d) lymphocytes.

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.

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 type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin? (a) Eosinophils (b) Monocytes (c) Neutrophils (d) Basophils

Description : Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin? (a) Eosinophils (b) Monocytes (c) Neutrophils (d) Basophils

Last Answer : d) Basophils

Which of the following WBCs are phagocytic cells. (a) Monocytes (b) Neutrophils (c ) Basophils (d) Eosinophils

Description : Which of the following WBCs are phagocytic cells. (a) Monocytes (b) Neutrophils (c ) Basophils (d) Eosinophils

Last Answer : Which of the following WBCs are phagocytic cells. (a) Monocytes (b) Neutrophils (c ) Basophils (d) Eosinophils A. Only ... a) and (c ) D. (c ) and (d)

The cells that are directly concerned with phagocytosis of foreign bodies in the reticuloendothelial system are (a) reticular cells (b) monocytes (c) eosinophils and Basophils (d) macrophages

Description : The cells that are directly concerned with phagocytosis of foreign bodies in the reticuloendothelial system are (a) reticular cells (b) monocytes (c) eosinophils and Basophils (d) macrophages

Last Answer : Ans:(b)

Which of the following cells or blood elements play a role in the initial phases of wound healing? a. Polymorphonuclear leukocytes (PMNs) b. Platelets c. Monocytes d. Lymphocytes

Description : Which of the following cells or blood elements play a role in the initial phases of wound healing? a. Polymorphonuclear leukocytes (PMNs) b. Platelets c. Monocytes d. Lymphocytes

Last Answer : Answer: a, b, c, d Shortly after the initial injury, the wound is full of debris which is cleared over the next several days by recruited and activated phagocytic cells. ... in the initial hemostatic process as well as releasing chemotactic factors and factors leading to fibroblast proliferation

The most active phagocytic white blood cells are (a) eosinophils and lymphocytes (b) neutrophils and monocytes (c) neutrophils and eosinophils (d) lymphocytes and macrophages.

Description : The most active phagocytic white blood cells are (a) eosinophils and lymphocytes (b) neutrophils and monocytes (c) neutrophils and eosinophils (d) lymphocytes and macrophages.

Last Answer : (b) neutrophils and monocytes

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

Which of the following is a term for mononuclear, granulocytic white blood cells that produce immunoglobulins? a) lymphocytes b) platelets c) erythrocytes (pron: eh-rith-reh-sites) d) none of these

Description : Which of the following is a term for mononuclear, granulocytic white blood cells that produce immunoglobulins? a) lymphocytes b) platelets c) erythrocytes (pron: eh-rith-reh-sites) d) none of these

Last Answer : ANSWER: A -- LYMPHOCYTES

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

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

Last Answer : Answer : B

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

Chemotactic factors are produced by EXCEPT: D A. Lymphocytes B. Monocytes C. Endothelial cells D. Collagen

Description : Chemotactic factors are produced by EXCEPT: D A. Lymphocytes B. Monocytes C. Endothelial cells D. Collagen

Last Answer : Collagen

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.

Which one engulfs pathogens rapidly? (a) Acidophils (b) Monocytes (c) Basophils (d) Neutrophils

Description : Which one engulfs pathogens rapidly? (a) Acidophils (b) Monocytes (c) Basophils (d) Neutrophils

Last Answer : (d) Neutrophils

Which of the following is NOT a granulocyte? a. Neutrophils b. Monocytes c. Eosinophils d. Basophils

Description : Which of the following is NOT a granulocyte? a. Neutrophils b. Monocytes c. Eosinophils d. Basophils

Last Answer : b. Monocytes

Large parasites such as helminthes may be killed extracellularly by the action of A- basophils B- monocytes C- eosinophils D- neutrophils

Description : Large parasites such as helminthes may be killed extracellularly by the action of A- basophils B- monocytes C- eosinophils D- neutrophils

Last Answer : eosinophils

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

Which of these components of the blood is responsible for clotting - (1) R.B.C. (2) Lymphocytes (3) Monocytes (4) Platelets

Description : Which of these components of the blood is responsible for clotting - (1) R.B.C. (2) Lymphocytes (3) Monocytes (4) Platelets

Last Answer : (4) Platelets Explanation: Coagulation is the process by which blood forms clots. It is an important part of hemostasis, the cessation of blood loss from a damaged vessel, wherein a ... begins almost instantly after an injury to the blood vessel has damaged the endothelium lining the vessel.

Which among the following helps in circulation of blood? (1) Arithrocyt us (2) Blood platelets (3) Monocytes (4) Lymphocytes

Description : Which among the following helps in circulation of blood? (1) Arithrocyt us (2) Blood platelets (3) Monocytes (4) Lymphocytes

Last Answer : (4) Lymphocytes Explanation: Lymphocytes helps in the circulation of blood. A lymphocyte is a type of white blood cell in the vertebrate immune system. The lymphatic system is an open system ... blood plasma after it has been filtered from the blood cells and returned to the lymphatic system.

Which of these components of the blood is responsible for clotting ? (1) R.B.C. (2) Lymphocytes (3) Monocytes (4) Platelets

Description : Which of these components of the blood is responsible for clotting ? (1) R.B.C. (2) Lymphocytes (3) Monocytes (4) Platelets

Last Answer : Platelets

Which among the following helps in circulation of blood ? (1) Arithrocytus (2) Blood platelets (3) Monocytes (4) Lymphocytes

Description : Which among the following helps in circulation of blood ? (1) Arithrocytus (2) Blood platelets (3) Monocytes (4) Lymphocytes

Last Answer : Lymphocytes

Transport of oxygen by blood takes place with the help of (1) Erythrocytes (2) Thrombocytes (3) Lymphocytes (4) Leuecocytes

Description : Transport of oxygen by blood takes place with the help of (1) Erythrocytes (2) Thrombocytes (3) Lymphocytes (4) Leuecocytes

Last Answer : (1) Erythrocytes Explanation: Red blood cells, or erythrocytes, are the most common type of blood cell and the vertebrate organism's principal means of delivering oxygen (O2) to the body tissues via ... iron-containing bio-molecule that can bind oxygen and is responsible for the blood's red color.

Transport of oxygen by blood takes place with the help of (1) Erythrocytes (2) Thrombocytes (3) Lymphocytes (4) Leucocytes

Description : Transport of oxygen by blood takes place with the help of (1) Erythrocytes (2) Thrombocytes (3) Lymphocytes (4) Leucocytes

Last Answer : Erythrocytes

The odd one among the following is (a) Monocytes (b) Lymphocyte (c) Neutrophils (d) Erythrocytes

Description : The odd one among the following is (a) Monocytes (b) Lymphocyte (c) Neutrophils (d) Erythrocytes

Last Answer : Ans:(d)

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)

Reactive oxygen metabolites are produced by all the following EXCEPT: B A. Macrophages B. Lymphocytes C. Monocytes D. None of these

Description : Reactive oxygen metabolites are produced by all the following EXCEPT: B A. Macrophages B. Lymphocytes C. Monocytes D. None of these

Last Answer : Lymphocytes

Chemotactic factors are produced by: C A. Lymphocytes B. Monocytes C. All of the above D. None of these

Description : Chemotactic factors are produced by: C A. Lymphocytes B. Monocytes C. All of the above D. None of these

Last Answer : All of the above

Tissue macrophages are derived from which one of the following? A. Resident activated fibroblasts B. Activated B lymphocytes C. Circulating monocytes D. Platelets

Description : Tissue macrophages are derived from which one of the following? A. Resident activated fibroblasts B. Activated B lymphocytes C. Circulating monocytes D. Platelets

Last Answer : Platelets

Antibodies are produced by (a) leucocytes (b) monocytes (c) lymphocytes (d) spleen.

Description : Antibodies are produced by (a) leucocytes (b) monocytes (c) lymphocytes (d) spleen.

Last Answer : (c) lymphocytes

Which one of the following cell types is NOT derived from myeloid progenitors? a. Lymphocytes b. Monocytes c. Eosinophils d. Neutrophits

Description : Which one of the following cell types is NOT derived from myeloid progenitors? a. Lymphocytes b. Monocytes c. Eosinophils d. Neutrophits

Last Answer : a. Lymphocytes

Red blood cells: a. measured 15 um in diameter b. do not contain mitochondria c. have a life span of 120 days in the circulation d. are released from the bone marrow as mature erythrocytes

Description : Red blood cells: a. measured 15 um in diameter b. do not contain mitochondria c. have a life span of 120 days in the circulation d. are released from the bone marrow as mature erythrocytes

Last Answer : do not contain mitochondria

Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body. (a) Erythrocytes (b) Leucocytes (c) Neutrophils (d) Thrombocytes

Description : Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body. (a) Erythrocytes (b) Leucocytes (c) Neutrophils (d) Thrombocytes

Last Answer : (d) Thrombocytes

The smallest of the FORMED elements of the blood are the: a) white cells b) red cells c) platelets d) erythrocytes

Description : The smallest of the FORMED elements of the blood are the: a) white cells b) red cells c) platelets d) erythrocytes

Last Answer : ANSWER: C -- platelets

The several types of white blood cells are sometime collectively referred to as: a) erythrocytes (pron: eh-rith-row-cites) b) leukocytes (pron: lew-kah-cites) c) erythroblasts (pron: eh-rith-rah-blast) d) thrombocytes (pron: throm-bow-cites)

Description : The several types of white blood cells are sometime collectively referred to as: a) erythrocytes (pron: eh-rith-row-cites) b) leukocytes (pron: lew-kah-cites) c) erythroblasts (pron: eh-rith-rah-blast) d) thrombocytes (pron: throm-bow-cites)

Last Answer : ANSWER: B -- leukocytes 

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

What is the reaction-taking place when H2 receptor binds to mast cells and basophils ?

Description : What is the reaction-taking place when H2 receptor binds to mast cells and basophils ?

Last Answer : When H2 binds to mast cells and basophils it suppresses degranulation.

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 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

Which of the following structures present in mammalian skin directly helps in keeping the body warm? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries

Description : Which of the following structures present in mammalian skin directly helps in keeping the body warm? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries

Last Answer : (2) Sweat glands Explanation: In the skin, two types of glands are present.

The cells which are responsible for the production of antibodies are – (1) red blood cells (2) neutrophils (3) lymphocytes (4) platelets

Description : The cells which are responsible for the production of antibodies are – (1) red blood cells (2) neutrophils (3) lymphocytes (4) platelets

Last Answer : (3) lymphocytes Explanation: An antibody (Ab), also known as an immunoglobulin (Ig), is a large Y-shaped protein produced by B-cells that is used by the immune system to identify and ... called antigens usually on the outside of an invading organism. This is called the antigen-antibody reaction.

Which of the following structures present in mammalian skin directly helps in keeping the body warm? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries

Description : Which of the following structures present in mammalian skin directly helps in keeping the body warm? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries

Last Answer : (3) Lymph vessels Explanation: The lymphatic system consists of a network of specialized lymphatic vessels and various tissues and organs throughout the body that contain lymphocytes (White Blood Cells) and ... skin and in the deeper fatty tissues near the muscles and can be found near arteries.

Glucocorticoid causes an increase of: a. red blood cells b. lymphocytes c. eosinophils d. platelets

Description : Glucocorticoid causes an increase of: a. red blood cells b. lymphocytes c. eosinophils d. platelets

Last Answer : platelets

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

The cells which are responsible for the production of antibodies are (1) red blood cells (2) neutrophils (3) lymphocytes (4) platelets

Description : The cells which are responsible for the production of antibodies are (1) red blood cells (2) neutrophils (3) lymphocytes (4) platelets

Last Answer : lymphocytes