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

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

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 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

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

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.

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.

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

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)

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

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

In our body, antibodies are formed against pathogens in – (1) liver by RBC (2) blood by platelets (3) brain by macrophages (4) thymus by lymphocytes

Description : In our body, antibodies are formed against pathogens in – (1) liver by RBC (2) blood by platelets (3) brain by macrophages (4) thymus by lymphocytes

Last Answer : (4) thymus by lymphocytes

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

Which one of the following is correct? (a) Lymph = Plasma + RBC + WBC (b) Blood = Plasma + RBC + WBC + Platelets (c) Plasma = Blood – Lymphocytes (d) Serum = Blood + Fibrinogen

Description : Which one of the following is correct? (a) Lymph = Plasma + RBC + WBC (b) Blood = Plasma + RBC + WBC + Platelets (c) Plasma = Blood – Lymphocytes (d) Serum = Blood + Fibrinogen

Last Answer : (b) Blood = Plasma + RBC + WBC + Platelets

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

In our body, antibodies are formed against pathogens in (1) liver by RBC (2) blood by platelets (3) brain by macrophages (4) thymus by lymphocytes

Description : In our body, antibodies are formed against pathogens in (1) liver by RBC (2) blood by platelets (3) brain by macrophages (4) thymus by lymphocytes 

Last Answer :  thymus by lymphocytes

How do platelets initiate blood clotting? -Biology

Description : How do platelets initiate blood clotting? -Biology

Last Answer : answer:

Assertion: Platelets play an important role in blood clotting. Reason: In the blood oozing from an injury, the platelets disintegrate and release thro

Description : Assertion: Platelets play an important role in blood clotting. Reason: In the blood oozing from an injury, the platelets disintegrate and release thro

Last Answer : Assertion: Platelets play an important role in blood clotting. Reason: In the blood oozing from an ... D. If both Assertion & Reason are false.

Platelets contain an enzyme which has important role in clotting in blood. This enzyme is known as (A) Cholinesterase (B) Transaminase (C) Decarboxylase (D) Thrombokinase

Description : Platelets contain an enzyme which has important role in clotting in blood. This enzyme is known as (A) Cholinesterase (B) Transaminase (C) Decarboxylase (D) Thrombokinase

Last Answer : Answer : D

The following are true about blood coagulation: a. heparin inhibits blood coagulation through its interference with vitamin K metabolism in the liver b. addition of vitamin K to freshly drawn blood delays clotting c. thrombin converts fibrinogen to fibrin d. platelets are essential for blood clot

Description : The following are true about blood coagulation: a. heparin inhibits blood coagulation through its interference with vitamin K metabolism in the liver b. addition of vitamin K to freshly drawn ... delays clotting c. thrombin converts fibrinogen to fibrin d. platelets are essential for blood clot

Last Answer : thrombin converts fibrinogen to fibrin

A patient who has been taking quantities of aspirin might show increased post operative bleeding because aspirin inhibits:** A. Synthesis of thromboxane A2 and prevents platelet aggregation B. Synthesis of prostacyclin and prevents platelet aggregation C. Synthesis of prostaglandin and prevents production of blood platelets D. Thrombin and prevents formation of the fibrin network E. Increase the absorption of vitamin K and prevents synthesis of blood clotting factors

Description : A patient who has been taking quantities of aspirin might show increased post operative bleeding because aspirin inhibits:** A. Synthesis of thromboxane A2 and prevents platelet aggregation B. ... network E. Increase the absorption of vitamin K and prevents synthesis of blood clotting factors

Last Answer : A. Synthesis of thromboxane A2 and prevents platelet aggregation

When a wound occurs in humans, the platelets in th blood activate a substance which starts the clotting process. The substance which starts the clotting is: a) adenosine (pron: ah-den-ah-seen) b) histamine c) lecithin (pron: less-ah-thin) d) thrombin

Description : When a wound occurs in humans, the platelets in th blood activate a substance which starts the clotting process. The substance which starts the clotting is: a) adenosine (pron: ah-den-ah-seen) b) histamine c) lecithin (pron: less-ah-thin) d) thrombin

Last Answer : ANSWER: D -- Thrombin

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.

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

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

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

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

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

Aspirin prolongs bleeding time by inhibiting the synthesis of: A. Clotting factors in liver B. Prostacyclin in vascular endothelium C. Cyclic AMP in platelets D. Thromboxane A2 in platelets

Description : Aspirin prolongs bleeding time by inhibiting the synthesis of: A. Clotting factors in liver B. Prostacyclin in vascular endothelium C. Cyclic AMP in platelets D. Thromboxane A2 in platelets

Last Answer : D. Thromboxane A2 in platelets

Which of the following statements about the preparation and storage of blood components is/are true? A. Solutions containing citrate prevent coagulation by binding calcium. B. The shelf life of packed red blood cells preserved with CPDA-1 is approximately 35 days at 1؛ to 6؛ C. C. There are normal numbers of platelets in packed red blood cells stored at 1؛ to 6؛ C for more than 2 days. D. The storage lesion affecting refrigerated packed red blood cells includes development of acidosis, hyperkalemia, and decreased intracellular 2,3DPG (diphosphoglycerate).

Description : Which of the following statements about the preparation and storage of blood components is/are true? A. Solutions containing citrate prevent coagulation by binding calcium. B. The ... cells includes development of acidosis, hyperkalemia, and decreased intracellular 2,3DPG (diphosphoglycerate).

Last Answer : Answer: ABD DISCUSSION: After blood has been collected from a donor, it is anticoagulated with a solution containing citrate, which acts by binding calcium. Blood is then separated into its ... transfusion or produce effects other than those predicted based on the content of the unit of blood

_______, found in blood, is responsible for oxygen transportation. (1) WBC (2) Platelets (3) RBC (4) Plasma

Description : _______, found in blood, is responsible for oxygen transportation. (1) WBC (2) Platelets (3) RBC (4) Plasma

Last Answer : (3) RBC Explanation: Red Blood Cells (RBCs) are responsible for carrying oxygen and carbon dioxide in the blood. Also known as erythrocytes, they are specialized cells that circulate through the body and deliver oxygen to tissues.

Which constituent of human blood is responsible for blood clotting?

Description : Which constituent of human blood is responsible for blood clotting?

Last Answer : Platelets (Thrombocytes

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

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

Assertion` :` Lymph is a colourless fluid containing specialised lymphocytes which are responsible for the immune responses of the body. Reason `:` Ex

Description : Assertion` :` Lymph is a colourless fluid containing specialised lymphocytes which are responsible for the immune responses of the body. Reason `:` Ex

Last Answer : Assertion` :` Lymph is a colourless fluid containing specialised lymphocytes which are responsible for the ... . If both Assertion & Reason are false.

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 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

What are the blood corpuscles that help to build up resistance against diseases? (1) Leucocytes (2) Monocytes (3) Neutrophils (4) Lymphoctyes

Description : What are the blood corpuscles that help to build up resistance against diseases? (1) Leucocytes (2) Monocytes (3) Neutrophils (4) Lymphoctyes

Last Answer : (1) Leucocytes Explanation: White blood cells, or leukocytes, are cells of the immune system involved in defending the body against both infectious disease and foreign materials. Five different ... human body. Leukocytes are found throughout the body, including the blood and lymphatic system.

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

What are the blood corpuscles that help to build up resistance against diseases ? (1) Leucocytes (2) Monocytes (3) Neutrophils (4) Lymphoctyes

Description : What are the blood corpuscles that help to build up resistance against diseases ? (1) Leucocytes (2) Monocytes (3) Neutrophils (4) Lymphoctyes

Last Answer : Leucocytes

If I've been cancer-free since '97, can I donate anything (blood, bone marrow, platelets, plasma?)

Description : If I've been cancer-free since '97, can I donate anything (blood, bone marrow, platelets, plasma?)

Last Answer : I am pretty sure you can’t. We had a Q a while back discussing just this, and I seem to remember you would be excluded from donating. If you google blood donation in your city you will probably come up with a place you can call and ask. I mean, where are you planning to donate your bood? Call there.

Assertion `:-` Platelets repair dammaged endothelium of blood vessels. Reason `:` Platelets secrete serotonin which is a vaso constrictor

Description : Assertion `:-` Platelets repair dammaged endothelium of blood vessels. Reason `:` Platelets secrete serotonin which is a vaso constrictor

Last Answer : Assertion `:-` Platelets repair dammaged endothelium of blood vessels. Reason `:` Platelets secrete ... . If both Assertion & Reason are false.

Blood platelets are present in the blood of

Description : Blood platelets are present in the blood of

Last Answer : Blood platelets are present in the blood of A. Birds B. Reptiles C. Mammales D. Amphibians

Blood platelets found in `:-`

Description : Blood platelets found in `:-`

Last Answer : Blood platelets found in `:-` A. Pisces B. Reptiles C. Birds D. Mammals

What temperature blood platelets' should be stored?

Description : What temperature blood platelets' should be stored?

Last Answer : Need answer

What are plasma red blood cells white blood cells and platelets?

Description : What are plasma red blood cells white blood cells and platelets?

Last Answer : parts of the blood

Laboratory monitoring of coagulation and anticoagulation includes testing of platelet function. Which of the following statements is/are true concerning tests of platelet function? a. A platelet count of 50,000/µL or more usually ensures hemostasis b. Bleeding time assays assessibility of platelets to perform hemostatic plugs and is determined from a sample of blood drawn in an EDTA coated test tube c. Aspirin therapy can be associated with a bleeding time in the range of 8–15 minutes d. Tests of platelet aggregation should be part of the standard preoperative evaluation of patients using aspirin

Description : Laboratory monitoring of coagulation and anticoagulation includes testing of platelet function. Which of the following statements is/are true concerning tests of platelet function? a. A ... platelet aggregation should be part of the standard preoperative evaluation of patients using aspirin

Last Answer : Answer: a, c Tests of platelet function include peripheral platelet counts, bleeding times, and platelet aggregation. Usually, a platelet count of 50,000/mL or more ensures adequate hemostasis ... is not available in most laboratories, probably because of the observer-dependent nature of the test