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

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

The main function of white blood cells in the body is to - (1) carryoxygen (2) help in clot formation (3) produce more red cells (4) protect body against diseases

Description : The main function of white blood cells in the body is to - (1) carryoxygen (2) help in clot formation (3) produce more red cells (4) protect body against diseases

Last Answer : (4) protect body against diseases Explanation: White blood cells, or leukocytes are cells of the immune system involved in defending the body against both infectious disease and-foreign materials. ... human body. Leukocytes are found throughout the body, including the blood and lymphatic system.

The main function of white blood cells in the body is to (1) carry oxygen (2) help in clot formation (3) produce more red cells (4) protect body against diseases

Description : The main function of white blood cells in the body is to (1) carry oxygen (2) help in clot formation (3) produce more red cells (4) protect body against diseases 

Last Answer : protect body against diseases

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

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.

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.

Fibrinolytic therapy is based on activation of plasminogen, the inactive proteolytic enzyme of plasma that binds to fibrin during the formation of thrombosis. Activation of plasminogen to plasmin results in selective thrombolysis at the fibrin clot surface. Which of the following statement(s) is/are true concerning agents used in thrombolytic therapy? a. Streptokinase is a bacterial protein which is antigenic in humans, resulting in allergic reactions in up to l5% of cases b. Tissue plasminogen activator acts directly on plasmin without an intermediate drug–plasmin complex c. The half-life of urokinase, streptokinase, and TPA all exceed 30 minutes d. Streptokinase is significantly cheaper than urokinase or TPA

Description : Fibrinolytic therapy is based on activation of plasminogen, the inactive proteolytic enzyme of plasma that binds to fibrin during the formation of thrombosis. Activation of plasminogen to plasmin results ... TPA all exceed 30 minutes d. Streptokinase is significantly cheaper than urokinase or TPA

Last Answer : Answer: a, b, d Streptokinase is a bacterial protein produced by group C b-hemolytic streptococci. It is therefore antigenic in humans and can be associated with allergic reaction in ... one agent over the other. Streptokinase however, is markedly less expensive than either urokinase or TPA

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.

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 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

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

Transformation refers to a. Using A Virus To Transfer DNA Fragments. b. DNA Fragments Transferred Between Live Donor And Recipient Cells. c. The Formation of an F- Recombinant Cell. d. The Transfer of Naked Fragments of DNA

Description : Transformation refers to a. Using A Virus To Transfer DNA Fragments. b. DNA Fragments Transferred Between Live Donor And Recipient Cells. c. The Formation of an F- Recombinant Cell. d. The Transfer of Naked Fragments of DNA

Last Answer : b. DNA Fragments Transferred Between Live Donor And Recipient Cells.

The primary mechanism underlying the resistance of gram-positive organisms to macrolide antibiotics is (a) Methylation of binding sites on the 50S ribosomal subunit (b) Formation of esterases that hydrolyze the lactone ring (c) Increased activity of efflux mechanisms (d) Formation of drug-inactivating acetyltranferases (e) Decreased drug permeability of the cytoplasmic membrane

Description : The primary mechanism underlying the resistance of gram-positive organisms to macrolide antibiotics is (a) Methylation of binding sites on the 50S ribosomal subunit (b) Formation of ... ) Formation of drug-inactivating acetyltranferases (e) Decreased drug permeability of the cytoplasmic membrane

Last Answer : Ans: A

Tests of coagulation are used to monitor anticoagulation treatment and detect intrinsic abnormalities in coagulation. Which of the following statement(s) is/are true concerning coagulation tests? a. Prothrombin time (PT) measures both the intrinsic and extrinsic clotting pathways and fibrinogen b. Activated partial thromboplastin time (aPTT) can be used to monitor both oral anticoagulation with Warfarin and intravenous anticoagulation with heparin c. Thrombin clotting time (TCT) is a measurement of the time it takes for exogenously administered thrombin to turn plasma fibrinogen into fibrin clot d. Whole blood activated clotting time (ACT) is a measurement of the ability of whole blood to clot and is used to monitor heparin levels intraoperatively during cardiovascular and peripheral vascu

Description : Tests of coagulation are used to monitor anticoagulation treatment and detect intrinsic abnormalities in coagulation. Which of the following statement(s) is/are true concerning ... is used to monitor heparin levels intraoperatively during cardiovascular and peripheral vascular operations

Last Answer : Answer: a, c, d Coagulation tests include prothrombin time (PT), which measures the intrinsic and extrinsic pathways of fibrinogen production and is the most common method for ... more while for peripheral vascular applications, values of 250 seconds or greater are considered appropriate

Which one of the following statements is incorrect about menstruation? (a) At menopause in the female, there is especially abrupt increase in gonadotropic hormones. (b) The beginning of the cycle of menstruation is called menarche. (c) During normal menstruation about 40 mL blood is lost. (d) The menstrual fluid can easily clot.

Description : Which one of the following statements is incorrect about menstruation? (a) At menopause in the female, there is especially abrupt increase in gonadotropic hormones. (b) The beginning of the cycle of ... normal menstruation about 40 mL blood is lost. (d) The menstrual fluid can easily clot.

Last Answer : (d) The menstrual fluid can easily clot.

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

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

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.

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 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 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 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 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 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

What does a blood clot in the arm feel like and is the only way you know here is one by swelling and redness and hot to the touch?

Description : What does a blood clot in the arm feel like and is the only way you know here is one by swelling and redness and hot to the touch?

Last Answer : Go to the ER if you’re really worried you’ll die before you get a chance to go to the doctor.

Which of the following statements concerning platelets is INCORRECT. Platelets: a) contain DNA b) are roughly disk-shaped c) have little ability to synthesize proteins d) are between 1/2 and 1/3 the diameter of the red cell

Description : Which of the following statements concerning platelets is INCORRECT. Platelets: a) contain DNA b) are roughly disk-shaped c) have little ability to synthesize proteins d) are between 1/2 and 1/3 the diameter of the red cell

Last Answer : ANSWER: A -- contain DNA

What are the functions of red blood cells , white blood cells and nuclei ?

Description : What are the functions of red blood cells , white blood cells and nuclei ?

Last Answer : The function of red blood cells: Red blood cells carry oxygen from the lungs to the cells through hemoglobin. Red blood cells are the most important blood cells or cells that provide oxygen to the ... , the nucleus accumbens binds blood to that place. As a result, bleeding from the wound stops.

Hemostasis and the cessation of bleeding require which of the following processes? A. Adherence of platelets to exposed subendothelial glycoproteins and collagen with subsequent aggregation of platelets and formation of a hemostatic plug. B. Interaction of tissue factor with factor VII circulating in the plasma. C. The production of thrombin via the coagulation cascade with conversion of fibrinogen to fibrin. D. Cross-linking of fibrin by factor XIII.

Description : Hemostasis and the cessation of bleeding require which of the following processes? A. Adherence of platelets to exposed subendothelial glycoproteins and collagen with subsequent aggregation of platelets and ... conversion of fibrinogen to fibrin. D. Cross-linking of fibrin by factor XIII.

Last Answer : Answer: ABCD DISCUSSION: Hemostasis requires the interaction of platelets with the exposed subendothelial structures at the site of injury followed by aggregation of more platelets in that area. ... form a stable clot that incorporates the platelet plug and fibrin thrombus into a stable clot

Blood platelets found in `:-`

Description : Blood platelets found in `:-`

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

_______, 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.

Agitator is provided in a crystalliser for(A) Avoiding deposition on cooler surfaces(B) Formation of nuclei(C) Crystal growth(D) All (A), (B) and (C)

Description : Agitator is provided in a crystalliser for (A) Avoiding deposition on cooler surfaces (B) Formation of nuclei (C) Crystal growth (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Sperm and egg nuclei fuse due to (a) base pairing of their DNA and RNA (b) formation of hydrogen bonds (c) mutual attraction due to differences in electrical charges (d) attraction of their protoplasts.

Description : Sperm and egg nuclei fuse due to (a) base pairing of their DNA and RNA (b) formation of hydrogen bonds (c) mutual attraction due to differences in electrical charges (d) attraction of their protoplasts.

Last Answer : attraction of their protoplasts

Superficial blood clot, and taking anticoagulants, surgery or not?

Description : Superficial blood clot, and taking anticoagulants, surgery or not?

Last Answer : If you want a third opinion, I’d say ask a third surgeon?

Which medicine does not allow blood to clot ?

Description : Which medicine does not allow blood to clot ?

Last Answer : Heparin does not allow blood to clot.

Which of the following is not a blood clot in the blood vessels ?

Description : Which of the following is not a blood clot in the blood vessels ?

Last Answer : Vitamin C helps in blood clotting.

Which medicine does not allow blood to clot ?

Last Answer : Anti coagnlant drug does not allow blood to clot in the body

Blood clot is mainly due to

Description : Blood clot is mainly due to

Last Answer : Blood clot is mainly due to A. Fibrin `+` Corpuscles B. Heparin `+` Corpuscles C. Plasma `+` Thrombocytes D. Plasma `+` RBC

What is destruction of a blood clot in medical terms?

Description : What is destruction of a blood clot in medical terms?

Last Answer : thrombolysis

Is a blood clot attached to the interior wall of a vein or artery.?

Description : Is a blood clot attached to the interior wall of a vein or artery.?

Last Answer : Blood clots are usually called -- a deep vein thrombosis (DVT)-- so I would say they attach to the interior wall of a vein. Maybethe pressure is too great in an artery for a clot to attach to thevessel wall

Why do you get Blood clot in carotid artery?

Description : Why do you get Blood clot in carotid artery?

Last Answer : What is the answer ?

Is a blood clot attached to the interior wall of a vein or artery.?

Description : Is a blood clot attached to the interior wall of a vein or artery.?

Last Answer : Blood clots are usually called -- a deep vein thrombosis (DVT)-- so I would say they attach to the interior wall of a vein. Maybethe pressure is too great in an artery for a clot to attach to thevessel wall

how would you know if you have a blood clot?

Description : how would you know if you have a blood clot?

Last Answer : Usually the symptoms of a blood clot in the leg include pain or heaviness in your legs, a warm spot, discoloration (red area), or swelling. Also, you may experience a fever, a fast heart beat or difficultly breathing.

What are the symptoms of a blood clot?

Description : What are the symptoms of a blood clot?

Last Answer : Swelling, warmth, redness, and pain most often occurring in the arms or legs are the most common symptoms. Other symptoms include a loss of function, heart attack, and stroke.

Which of the following is/are true concerning wound fibroblasts? A. Fibroblasts synthesize and secrete collagen molecules. B. Wound fibroblasts are derived from blood-borne precursor cells. C. Fibroblasts migrate to a wound along fibrin strands, which are used as a scaffold. D. Large amounts of fibrin or blood clot can act as a physical barrier to fibroblast penetration, which delays normal wound healing.

Description : Which of the following is/are true concerning wound fibroblasts? A. Fibroblasts synthesize and secrete collagen molecules. B. Wound fibroblasts are derived from blood-borne precursor cells. C. ... clot can act as a physical barrier to fibroblast penetration, which delays normal wound healing.

Last Answer : Answer: ACD DISCUSSION: Fibroblasts appear in the wound on about the third day of healing and begin to synthesize and secrete collagen molecules. Wound fibroblasts arrive from cells surrounding ... enzymes, and large amounts of fibrin and blood clot prevent fibroblasts from entering the wound