Blood platelets are present in the blood of

Blood platelets are present in the blood of
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Blood platelets are present in the blood of A. Birds B. Reptiles C. Mammales D. Amphibians
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Glycophorin is present in cell membranes of (A) Erythrocytes (B) Platelets (C) Neutrophils (D) Liver

Description : Glycophorin is present in cell membranes of (A) Erythrocytes (B) Platelets (C) Neutrophils (D) Liver

Last Answer : Answer : A

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.

How do platelets initiate blood clotting? -Biology

Description : How do platelets initiate blood clotting? -Biology

Last Answer : answer:

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.

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.

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

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

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

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

In patients receiving massive blood transfusion for acute blood loss, which of the following is/are correct? A. Packed red blood cells and crystalloid solution should be infused to restore oxygen-carrying capacity and intravascular volume. B. Two units of FFP should be given with every 5 units of packed red blood cells in most cases. C. A “six pack” of platelets should be administered with every 10 units of packed red blood cells in most cases. D. One to two ampules of sodium bicarbonate should be administered with every 5 units of packed red blood cells to avoid acidosis. E. One ampule of calcium chloride should be administered with every 5 units of packed red blood cells to avoid hypocalcemia.

Description : In patients receiving massive blood transfusion for acute blood loss, which of the following is/are correct? A. Packed red blood cells and crystalloid solution should be infused to restore oxygen ... should be administered with every 5 units of packed red blood cells to avoid hypocalcemia.

Last Answer : Answer: A DISCUSSION: Patients who are suffering from acute blood loss require crystalloid resuscitation as the initial maneuver to restore intravascular volume and re-establish vital signs. If 2 to 3 liters ... when the infusion of blood proceeds at a rate exceeding 1 to 2 units every 5 minutes

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

After being counseled about lifestyle and dietary changes, the patient was started on atorvastatin. During his treatment with atorvastatin, it is important to routinely monitor serum concentrations of (a) Blood urea nitrogen (BUN) (b) Alanine and aspartate aminotransferase (c) Platelets (d) Red blood cells (e) Uric acid

Description : After being counseled about lifestyle and dietary changes, the patient was started on atorvastatin. During his treatment with atorvastatin, it is important to routinely monitor serum concentrations of (a) ... Alanine and aspartate aminotransferase (c) Platelets (d) Red blood cells (e) Uric acid

Last Answer : Ans: D

Which of the following is true with reference to blood platelets? (1) They have prominent nuclei (2) They are involved in phagocytosis (3) They have a pigment called haemoglobin (4) They are also called thrombocytes

Description : Which of the following is true with reference to blood platelets? (1) They have prominent nuclei (2) They are involved in phagocytosis (3) They have a pigment called haemoglobin (4) They are also called thrombocytes

Last Answer : (4) They are also called thromb-ocytes. Explanation: Platelets, also called thrombocytes, are a component of blood whose function is to stop bleeding by clumping and clotting blood vessel injuries. ... red and white blood cells, platelets are not actually cells but rather small fragments of cells.

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

Haemoglobin is an important constituent of – (1) Red blood cells (2) White blood cells (3) Platelets (4) Plasma

Description : Haemoglobin is an important constituent of – (1) Red blood cells (2) White blood cells (3) Platelets (4) Plasma

Last Answer : (1) Red blood cells Explanation: Hemoglobin is the ironcontaining oxygen-transport metalloprotein in the red blood cells of all vertebrates. Hemoglobin in the blood carries oxygen from the respiratory ... carbon dioxide to bring it back to the respiratory organs to be dispensed from the organism.

_______, 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.

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 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 blood cells is compulsory for blood coagulation? (1) Platelets (2) Red Blood Corpuscles (3) White Blood Corpuscles (4) Lymphocites

Description : Which of the following blood cells is compulsory for blood coagulation? (1) Platelets (2) Red Blood Corpuscles (3) White Blood Corpuscles (4) Lymphocites

Last Answer : (1) Platelets Explanation: Coagulation is the process by which blood forms clots. It is an important part of homeostasis, the cessation of blood loss from a damaged vessel, wherein a damaged ... vessel. Platelets immediately form a plug at the site of injury, this is called primary homeostasis.

Leukaemia or blood cancer is characterised by abnormal increase of the – (1) Red blood cells (2) White blood cells (3) Blood platelets (4) Blood plasma

Description : Leukaemia or blood cancer is characterised by abnormal increase of the – (1) Red blood cells (2) White blood cells (3) Blood platelets (4) Blood plasma

Last Answer : (2) White blood cells Explanation: Leukemia is a type of cancer of the blood or bone marrow characterized by an abnormal increase of immature white blood cells called "blasts". Damage to ... petechiae). White blood cells, which are involved in fighting pathogens, may be suppressed or dysfunctional.

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 blood cells are called ‘Soldiers’ of the body? A. White Blood Cells (Answer) B. Platelets C. Red Blood Cells D. None of the above

Description : Which blood cells are called ‘Soldiers’ of the body? A. White Blood Cells (Answer) B. Platelets C. Red Blood Cells D. None of the above

Last Answer : A. White Blood Cells (Answer)

In case of infection, following is the first line of defense B A. Antibodies B. Macrophages C. Red blood cells D. Platelets

Description : In case of infection, following is the first line of defense  B A. Antibodies B. Macrophages C. Red blood cells D. Platelets

Last Answer : Macrophages

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

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

Which of the following statements is true for lymph? (a) WBC + serum (b) Blood – RBCs and some proteins (c) RBCs + WBCs + plasma (d) RBCs + proteins + platelets

Description : Which of the following statements is true for lymph? (a) WBC + serum (b) Blood – RBCs and some proteins (c) RBCs + WBCs + plasma (d) RBCs + proteins + platelets

Last Answer : (b) Blood – RBCs and some proteins

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

How the transport of O2 and CO2 by blood happens? (a) With the help of WBCs and blood serum (b) With the help of platelets and corpuscles (c) With the help of RBCs and blood plasma (d) With the help of RBCs and WBCs

Description : How the transport of O2 and CO2 by blood happens? (a) With the help of WBCs and blood serum (b) With the help of platelets and corpuscles (c) With the help of RBCs and blood plasma (d) With the help of RBCs and WBCs

Last Answer : (c) With the help of RBCs and blood plasma

Which of the following terms refers to an abnormal decrease in white blood cells, red blood cells, and platelets? a) Pancytopenia Pancytopenia may be congenital or acquired. b) Anemia Anemia refers to decreased red cell mass. c) Leukopenia Leukopenia refers to a less-than-normal amount of WBCs in circulation. d) Thrombocytopenia Thrombocytopenia refers to a lower-than-normal platelet count.

Description : Which of the following terms refers to an abnormal decrease in white blood cells, red blood cells, and platelets? a) Pancytopenia Pancytopenia may be congenital or acquired. b) Anemia ... of WBCs in circulation. d) Thrombocytopenia Thrombocytopenia refers to a lower-than-normal platelet count.

Last Answer : a) Pancytopenia Pancytopenia may be congenital or acquired.

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

Study of diseases of blood cells, platelets and the tissues and organs of hematopoietic system is called as __________. a. Forensic pathology b. Clinical pathology c. Immunopathology d. Hematopathology

Description : Study of diseases of blood cells, platelets and the tissues and organs of hematopoietic system is called as __________. a. Forensic pathology b. Clinical pathology c. Immunopathology d. Hematopathology

Last Answer : d. Hematopathology

The isoenzyme cyclooxygenase-2 (COX-2) is expressed constitutively at the following site: A. Gastric mucosa B. Neutrophils C. Blood platelets D. Juxtaglomerular apparatus

Description :  The isoenzyme cyclooxygenase-2 (COX-2) is expressed constitutively at the following site: A. Gastric mucosa B. Neutrophils C. Blood platelets D. Juxtaglomerular apparatus

Last Answer : D. Juxtaglomerular apparatus

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

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

What is the primary function of the platelets in huma blood?

Description : What is the primary function of the platelets in huma blood?

Last Answer : ANSWER: clotting or blocking leaks from blood vessels

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

Blood platelets are: a) cytoplasmic fragments b) free nuclei c) a kind of red cell d) found only during clot formation

Description : Blood platelets are: a) cytoplasmic fragments b) free nuclei c) a kind of red cell d) found only during clot formation

Last Answer : ANSWER: A -- Cytoplasmic fragments

Which of the following is true with reference to blood platelets? (1) They have prominent nuclei. (2) They are involved in phagocytosis (3) They have a pigment called haemoglobin (4) They are also called thrombocytes.

Description : Which of the following is true with reference to blood platelets? (1) They have prominent nuclei. (2) They are involved in phagocytosis (3) They have a pigment called haemoglobin (4) They are also called thrombocytes.

Last Answer : They are also called thrombocytes.

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

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

Haemoglobin is an important constituent of (1) Red blood cells (2) White blood cells (3) Platelets (4) Plasma

Description : Haemoglobin is an important constituent of (1) Red blood cells (2) White blood cells (3) Platelets (4) Plasma

Last Answer :  Red blood cells

Leukaemia or blood cancer is characterised by abnormal in crease of the – (1) Red blood cells (2) White blood cells (3) Blood platelets (4) Blood plasma

Description : Leukaemia or blood cancer is characterised by abnormal in crease of the – (1) Red blood cells (2) White blood cells (3) Blood platelets (4) Blood plasma

Last Answer : White blood cells

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 of the following blood cells is compulsory for blood coagulation ? (1) Platelets (2) Red Blood Corpuscles (3) White Blood Corpuscles (4) Lymphocites

Description : Which of the following blood cells is compulsory for blood coagulation ? (1) Platelets (2) Red Blood Corpuscles (3) White Blood Corpuscles (4) Lymphocites

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

Should I Become a Platelets Donor?

Description : Should I Become a Platelets Donor?

Last Answer : Both are very altruistic, and you deserve to be lauded for your gracious donations. However, platelet donors (and platelets) are in shorter supply, so if you are going to choose one, choose platelets.

What are the important physical properties of platelets? -Biology

Description : What are the important physical properties of platelets? -Biology

Last Answer : answer:

Platelets are the cell fragments produced from

Description : Platelets are the cell fragments produced from

Last Answer : Platelets are the cell fragments produced from A. Thrombocytes B. Megakaryocytes C. Monocytes D. Mast cell