Which of the following substances, if introdced into the blood system, would cause coagulation of blood at the site of its introduction

Which of the following substances, if introdced into the blood system, would cause coagulation of blood at the site of its introduction
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Which of the following substances, if introdced into the blood system, would cause coagulation of ... B. Fibronogen C. Heparin D. Prothrombin
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Radioactive substances present in the polluted water stream can be removed by (A) Biological oxygen treatment (B) Coagulation and filtration (C) Adsorption in ion exchange materials (D) None of these

Description : Radioactive substances present in the polluted water stream can be removed by (A) Biological oxygen treatment (B) Coagulation and filtration (C) Adsorption in ion exchange materials (D) None of these

Last Answer : (C) Adsorption in ion exchange materials

The minimum concentration of an electrolyte required to cause coagulation of a sol is called its flocculation value. It is expressed in millimoles per

Description : The minimum concentration of an electrolyte required to cause coagulation of a sol is called its flocculation value. It is expressed in millimoles per

Last Answer : The minimum concentration of an electrolyte required to cause coagulation of a sol is called its ... )` sol so that flocculation just starts ?

Which of the following statements about the coagulation cascade is/are true? A. The intrinsic pathway of coagulation is the predominant pathway in vivo for hemostasis and coagulation. B. The intrinsic pathway beginning with the activation of factor XII is the predominant in vivo mechanism for activation of the coagulation cascade. C. Deficiencies of factor VIII and IX cause highly significant coagulation abnormalities. D. Deficiencies of factor XII cause severe clinical bleeding syndromes.

Description : Which of the following statements about the coagulation cascade is/are true? A. The intrinsic pathway of coagulation is the predominant pathway in vivo for hemostasis and coagulation. ... coagulation abnormalities. D. Deficiencies of factor XII cause severe clinical bleeding syndromes.

Last Answer : Answer: AC DISCUSSION: Although it was previously held that two somewhat distinct pathways existed for the activation of the coagulation cascade, it is now recognized that the predominant ... bleeding. This further emphasizes the secondary role that the intrinsic pathway plays in coagulation

What is the term used for minimum concentration of an electrolyte which is able to cause coagulation of a sol ?

Description : What is the term used for minimum concentration of an electrolyte which is able to cause coagulation of a sol ?

Last Answer : Ans. Flocculation value. 

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

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 Blood Cell Helps Blood Coagulation ?

Description : Which Blood Cell Helps Blood Coagulation ?

Last Answer : : Molecules help in blood clotting in the process of endophagositosis.

Assertion `:` Prothrombinase enzyme act as antiheparin Reason `:` Heparin prevent coagulation of blood in Blood vessels

Description : Assertion `:` Prothrombinase enzyme act as antiheparin Reason `:` Heparin prevent coagulation of blood in Blood vessels

Last Answer : Assertion `:` Prothrombinase enzyme act as antiheparin Reason `:` Heparin prevent coagulation of blood in ... D. If both Assertion & Reason are false.

Which of the following does not play a role in blood coagulation

Description : Which of the following does not play a role in blood coagulation

Last Answer : Which of the following does not play a role in blood coagulation A. Vitamin K B. Vitamin D C. Calcium ions D. Fibrinogen

During the process of blood coagulation, vitamin K helps in

Description : During the process of blood coagulation, vitamin K helps in

Last Answer : During the process of blood coagulation, vitamin K helps in A. Formation of thromboplastin B. ... to thrombin D. Conversion of fibrinogen to fibrin

Which of the following is an anticoagulant and checks blood coagulation in blood vessels?

Description : Which of the following is an anticoagulant and checks blood coagulation in blood vessels?

Last Answer : Which of the following is an anticoagulant and checks blood coagulation in blood vessels? A. Prothrombin B. Globulin C. Thromboplatin D. Heparin

Protein required for coagulation of blood is

Description : Protein required for coagulation of blood is

Last Answer : Protein required for coagulation of blood is A. haemoglobin B. Globulin C. Fibrinogen D. Albumin

Which is unrelated to blood coagulation ?

Description : Which is unrelated to blood coagulation ?

Last Answer : Which is unrelated to blood coagulation ? A. Fibrinogen B. Fibrin C. Bilirubin D. Calcium

The coagulation of blood occurs due to

Description : The coagulation of blood occurs due to

Last Answer : The coagulation of blood occurs due to A. Destruction of erythrocytes B. Destruction of leucocytes ... of fibrinogen into fibrin D. Formation of serum

The exclusive function of iron in the body is confined to the process of (A) Muscular contraction (B) Nerve excitation (C) Cellular respiration (D) Blood coagulation

Description : The exclusive function of iron in the body is confined to the process of (A) Muscular contraction (B) Nerve excitation (C) Cellular respiration (D) Blood coagulation

Last Answer : Answer : C

A non-functional plasma enzyme is (A) Psudocholinesterase (B) Lipoprotein lipase (C) Proenzyme of blood coagulation (D) Lipase

Description : A non-functional plasma enzyme is (A) Psudocholinesterase (B) Lipoprotein lipase (C) Proenzyme of blood coagulation (D) Lipase

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

The evaluation of a patient scheduled for elective surgery should always include the following as tests of hemostasis and coagulation: A. History and physical examination. B. Complete blood count (CBC), including platelet count. C. Prothrombin time (PT) and activated partial thromboplastin time (APTT). D. Studies of platelet aggregation with adenosine diphosphate (ADP) and epinephrine.

Description : The evaluation of a patient scheduled for elective surgery should always include the following as tests of hemostasis and coagulation: A. History and physical examination. B. Complete blood count ( ... (APTT). D. Studies of platelet aggregation with adenosine diphosphate (ADP) and epinephrine.

Last Answer : Answer: A DISCUSSION: The evaluation of most patients scheduled for elective surgery who do not have a history of significant bleeding disorders is somewhat controversial. An adequate history and ... suspected of having qualitative defects of platelet function (e.g., von Willebrand's disease)

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

What is the organ where most of the clotting factors are produced? What is the role of vitamin K in the blood coagulation?

Description : What is the organ where most of the clotting factors are produced? What is the role of vitamin K in the blood coagulation?

Last Answer : Most of the clotting factors are produced in the liver. Vitamin K participates in the activation of several clotting factors and it is fundamental for the well-functioning of the blood coagulation.

How can the blood coagulation (clotting) process be described?

Description : How can the blood coagulation (clotting) process be described?

Last Answer : Blood clotting encompasses a sequence of chemical reactions whose respective products are enzymes that catalyze the following reactions (that is why the clotting reactions are called cascade reactions) ... blood clot and containing the hemorrhage. Blood Questions - Image Diversity: clotting cascade

********* factor is involved in – (1) Blood Coagulation (2) Excretion (3) Digestion (4) Respiration

Description : Christmas factor is involved in – (1) Blood Coagulation (2) Excretion (3) Digestion (4) Respiration

Last Answer : (1) Blood Coagulation Explanation: Factor IX, also known as Christmas factor, is one of the serine proteases of the coagulation system; it belongs to peptidase family Sl. Deficiency of this ... young boy named Stephen Christmas was found to be lacking this exact factor, leading to haemophilia.

The vitamin necessary for coagulation of blood is – (1) Vitamin B (2) Vitamin C (3) Vitamin K (4) Vitamin E

Description : The vitamin necessary for coagulation of blood is – (1) Vitamin B (2) Vitamin C (3) Vitamin K (4) Vitamin E

Last Answer : (3) Vitamin K Explanation: Vitamin K is a group of structurally similar, fat-soluble vitamins that are needed for the posttranslational modification of certain proteins required for blood coagulation and ... amounts in green leafy vegetables) and vitamin K2 (form used by enzymes in animals).

Which of the following enzymes aids in coagulation of blood? (1) Tryptase (2) Pepsin (3) Rennin (4) Amylase

Description : Which of the following enzymes aids in coagulation of blood? (1) Tryptase (2) Pepsin (3) Rennin (4) Amylase

Last Answer : (3) Rennin Explanation: Amylase converts starch and glycogen into simple sugars. Pepsin is a digestive enzyme. Rennin, the active part of prorennin helps in coagulation of blood.

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.

The vitamin necessary for coagulation of blood is - (1) vitamin B (2) vitamin C (3) vitamin K (4) vitamin E

Description : The vitamin necessary for coagulation of blood is - (1) vitamin B (2) vitamin C (3) vitamin K (4) vitamin E

Last Answer : (3) vitamin K Explanation: Vitamin K is a group of structurally similar, fat-soluble vitamins that the human body requires for complete synthesis of certain proteins that are prerequisites for blood coagulation (K from Koagulation, German for "coagulation").

Bleeding time is increased in: a. massive blood transfusion b. vitamin K deficiency c. von Willebrand's disease d. disseminated intravascular coagulation (DIC)

Description : Bleeding time is increased in: a. massive blood transfusion b. vitamin K deficiency c. von Willebrand's disease d. disseminated intravascular coagulation (DIC)

Last Answer : disseminated intravascular coagulation (DIC)

The prothrombin time a. assess the extrinsic pathway of the blood coagulation cascade b. is prolonged in patients with fat absorption c. is increased by warfarin d. all above

Description : The prothrombin time a. assess the extrinsic pathway of the blood coagulation cascade b. is prolonged in patients with fat absorption c. is increased by warfarin d. all above

Last Answer : all above

The prothrombin time a. assess the extrinsic pathway of the blood coagulation cascade b. is prolonged in patients with fat absorption c. is increased by warfarin d. is increased by heparin

Description : The prothrombin time a. assess the extrinsic pathway of the blood coagulation cascade b. is prolonged in patients with fat absorption c. is increased by warfarin d. is increased by heparin

Last Answer : assess the extrinsic pathway of the blood coagulation cascade

The deficiency of which one of the following vitamins in the ration of Poultry birds increases the Coagulation time of blood and creates the danger of haemorrhage ? (A) Vitamin A (B) Vitamin B 1 (C) Vitamin K (D) Vitamin D (E) Vitamin B 6

Description : The deficiency of which one of the following vitamins in the ration of Poultry birds increases the Coagulation time of blood and creates the danger of haemorrhage ? (A) Vitamin A (B) Vitamin B 1 (C) Vitamin K (D) Vitamin D (E) Vitamin B 6

Last Answer : (D) Vitamin D

In which following help in blood cloathing or coagulation

Description : In which following help in blood cloathing or coagulation

Last Answer : k

he primary mechanism by which heparin prevents coagulation of blood is: A. Direct inhibition of prothrombin to thrombin conversion B. Facilitation of antithrombin III mediated inhibition of factor Xa and thrombin C. Activation of antithrombin III to inhibit factors IX and XI D. Inhibition of factors XIIa and XIIIa

Description : he primary mechanism by which heparin prevents coagulation of blood is: A. Direct inhibition of prothrombin to thrombin conversion B. Facilitation of antithrombin III mediated inhibition of factor Xa and ... of antithrombin III to inhibit factors IX and XI D. Inhibition of factors XIIa and XIIIa

Last Answer : B. Facilitation of antithrombin III mediated inhibition of factor Xa and thrombi

Select the action of vasopressin exerted through the V1 subtype receptors: A. Release of coagulation factor VIII and von Willebrands factor from vascular endothelium B. Increased peristalsis of gut C. Dilatation of blood vessels D. Increased water permeability of renal collecting ducts

Description : Select the action of vasopressin exerted through the V1 subtype receptors: A. Release of coagulation factor VIII and von Willebrands factor from vascular endothelium B. Increased peristalsis of gut C. Dilatation of blood vessels D. Increased water permeability of renal collecting ducts

Last Answer : B. Increased peristalsis of gut

In the mammalian body, this element plays many important roles. Try to identify this element with the fewest number of clues. This element is required to insure the integrity and permeability of cell membranes, to regulate nerve and muscle excitability, to help maintain normal muscular contraction, and to assure cardiac rhythmicity. It also plays a essential role in several of the enzymatic steps involved in blood coagulation and is the most important element of bone salt. Name this element.

Description : In the mammalian body, this element plays many important roles. Try to identify this element with the fewest number of clues. This element is required to insure the integrity and permeability of ... involved in blood coagulation and is the most important element of bone salt. Name this element.

Last Answer : ANSWER: Calcium 

1. Which book was written by Gandhiji? 2. Which vitamin is essential for the coagulation of blood? 3. Which describes India as a Secular State? 4. When the wind is deflected due to the rotation of the Earth, what is it called? 5. Which part of Delhi where Aibak laid the foundation of the first so called 'Seven cities' of medieval Delhi,?

Description : 1. Which book was written by Gandhiji? 2. Which vitamin is essential for the coagulation of blood? 3. Which describes India as a Secular State? 4. When the wind is deflected due to the ... is there? 20. Who was the first Mughal emperor to allow Britishers to establish trade links with India?

Last Answer : Answer : 1. My Experiments with Truth 2. Vitamin K3. Preamble to the Constitution4. Geostropic wind 5. Mehrauli 6. Lead 7. July 11 8. Pt. Jawahar Lal Nehru 9. 250 cms 10. Devaraya II 11. 45 g ... 13. 6 14. Sahara 15. Devagiri 16. 2009 17. Bachhendri Pal 18. Immunisation 19. Heavy 20. Jahangir

********* factor is involved in : (1) Blood Coagulation (2) Excretion (3) Digestion (4) Respiration

Description : Christmas factor is involved in : (1) Blood Coagulation (2) Excretion (3) Digestion (4) Respiration

Last Answer : Blood Coagulation

Which of the following enzymes aids in coagulation of blood? (1) Tryptase (2) Pepsin (3) Rennin (4) Amylase

Description : Which of the following enzymes aids in coagulation of blood? (1) Tryptase (2) Pepsin (3) Rennin (4) Amylase 

Last Answer : Rennin

The vitamin necessary for coagulation of blood is : (1) Vitamin B (2) Vitamin C (3) Vitamin K (4) Vitamin E

Description : The vitamin necessary for coagulation of blood is : (1) Vitamin B (2) Vitamin C (3) Vitamin K (4) Vitamin E

Last Answer : Vitamin K

Which vitamin helps in blood coagulation? (1) Vitamin-A (2) Vitamin-C (3) Vitamin-K (4) Vitamin-E

Description : Which vitamin helps in blood coagulation? (1) Vitamin-A (2) Vitamin-C (3) Vitamin-K (4) Vitamin-E

Last Answer : Vitamin-K

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

Wutomobile catalytic converters cause the carbon monoxide and hydrocarbons which result from incomplete combustion to be converted into what two substances?

Description : Wutomobile catalytic converters cause the carbon monoxide and hydrocarbons which result from incomplete combustion to be converted into what two substances?

Last Answer : ANSWER: CARBON DIOXIDE (CO2) AND WATER (H2O)

Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the (A) Coagulation (B) Flocculation (C) Sedimentation (D) Clarification

Description : Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the (A) Coagulation (B) Flocculation (C) Sedimentation (D) Clarification

Last Answer : (C) Sedimentation

There are a multitude of various dressings available. Which of the following statement(s) is/are true concerning options for surgical dressings? a. Hydrocolloids, such as karaya compounds, offer the primary advantage of increased absorptive ability b. Films, such as Op-site, provide a water impermeable environment to achieve a dry wound c. Impregnates are fine gauze impregnated with a variety of substances such as antibiotics or moisturizing agents that adhere tightly to the wound and do not require a secondary dressing d. Absorptive powders and paste are highly useful in debriding necrotic and fibrous material from wounds and absorbing wound serum

Description : There are a multitude of various dressings available. Which of the following statement(s) is/are true concerning options for surgical dressings? a. Hydrocolloids, such as karaya compounds, offer ... are highly useful in debriding necrotic and fibrous material from wounds and absorbing wound serum

Last Answer : Answer: a, d Although the simplest dressing of gauze and tape combined with the use of antibacterial ointment can achieve moist wound healing in most patients. A multitude of other ... agents have high absorbency for tissue wound fluid and debride necrotic and fibrous material from the wound

Choose the correct statement about osmotic diuretics: A. They are large molecular weight substances which form colloidal solution B. Their primary site of action is collecting ducts in the kidney C. They increase water excretion without increasing salt excretion D. They can lower intraocular pressure

Description : Choose the correct statement about osmotic diuretics: A. They are large molecular weight substances which form colloidal solution B. Their primary site of action is collecting ducts in the ... C. They increase water excretion without increasing salt excretion D. They can lower intraocular pressure

Last Answer : D. They can lower intraocular pressure

Which of the following antibacterial substances is known to primarily affect gram-negative bacteria? a) spermine (pron: SPER-meen) b) interferon (pron: in-ter-FEER-en) c) phagocytin (pron: fag-a-SITE-en) d) leukins (pron: LEW-kins)

Description : Which of the following antibacterial substances is known to primarily affect gram-negative bacteria? a) spermine (pron: SPER-meen) b) interferon (pron: in-ter-FEER-en) c) phagocytin (pron: fag-a-SITE-en) d) leukins (pron: LEW-kins)

Last Answer : ANSWER: C -- PHAGOCYTIN

Assertion: Cholagogues are substances that cause the contraction of gall bladder. Reason: These substances cause release of CCK-PZ from duodenum

Description : Assertion: Cholagogues are substances that cause the contraction of gall bladder. Reason: These substances cause release of CCK-PZ from duodenum

Last Answer : Assertion: Cholagogues are substances that cause the contraction of gall bladder. Reason: These substances cause release of CCK-PZ from duodenum

What substances cause indoor pollution?

Description : What substances cause indoor pollution?

Last Answer : What is the answer ?

The substances that cause air pollution are 1. Smoke 2. Sulphur dioxide 3. Argon 4. Carbon monoxide The correct answers are: (a) 1, 2 and 3 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 4

Description : The substances that cause air pollution are 1. Smoke 2. Sulphur dioxide 3. Argon 4. Carbon monoxide The correct answers are: (a) 1, 2 and 3 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 4

Last Answer : Ans:(d)

‘Why excessive heating and repeated use of cooking oil are most undesirable? (1) The oil vapour can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

Description : ‘Why excessive heating and repeated use of cooking oil are most undesirable? (1) The oil vapour can cause indoor pollution (2) Carcinogenic substances like benzpyrene are produced (3) Nutrient value of food is lost (4) Loss and wastage of oil

Last Answer : (2) Carcinogenic substances like benzpyrene are produced Explanation: Repeated use of cooking oil at high temperatures will cause the hydraulic fat into free fatty acids are easily oxidized, so ... experts recommend eating foods that contain saturated fat less than 10 percent of the daily intake.

Substances that cause a reaction to occur or proceed at a different rate without the reaction itself being affected are called - (1) Catalysts (2) Hydrocarbons (3) Oxidising agents (4) Substitutes

Description : Substances that cause a reaction to occur or proceed at a different rate without the reaction itself being affected are called - (1) Catalysts (2) Hydrocarbons (3) Oxidising agents (4) Substitutes

Last Answer : (1) Catalysts Explanation: Catalysts are substances that cause a reaction to occur or proceed at a different rate without the reaction itself being affected. Eg: hydrogenation of vegetable oils using a nickel catalyst.