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.
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
Description : During hemdialysis process I. blood drained from a conveniend artery and anticoagulant is added (heparin). II. Removal of nitrogenous waste from blood
Last Answer : During hemdialysis process I. blood drained from a conveniend artery and anticoagulant is added (heparin). II. ... D. `I rarr IV rarr II rarr III`
Description : Which one of the following anticoagulant is added in blood during storage ?
Last Answer : Which one of the following anticoagulant is added in blood during storage ? A. Sodium carbonate ... oxalate C. Sodium chloride D. Sodium hydroxide
Description : Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin ?
Last Answer : Which type of white blood cells are concerned with the release of histamine and the natural ... Eosinophils B. Monocytes C. Neutrophils D. Basophils
Description : Which one is the common anticoagulant used for preserving blood?
Last Answer : Which one is the common anticoagulant used for preserving blood? A. NaCl B. Sodium oxalate C. KCl D. Thromboplastin
Description : Which is the anticoagulant substance in blood? (1) Fibrinogen (2) Heparin (3) Thrombin (4) Globin
Last Answer : (2) Heparin Explanation: Heparin, a highly sulfated glycosaminoglycan, is widely used as an inject able anticoagulant, and has the highest negative charge density of any known ... because blood anti-coagulation is achieved mostly by heparin sulfate proteoglyeans derived from endothelial cells.
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
Description : In blood, which anticoagulant substance found
Last Answer : Heparin
Description : The following is true of heparin except: A. Sudden stoppage of continuous heparin therapy causes rebound increase in blood coagulability B. High doses of heparin inhibit platelet aggregation ... active circulating anticoagulant D. Heparin clears lipemic plasma in vivo but not in vitro
Last Answer : C. Heparin is the physiologically active circulating anticoagulant
Description : Assertion: Heparin is an anticoagulant found in mammals. Reason: Heparin prevents the conversion of prothrombin to thrombin
Last Answer : Assertion: Heparin is an anticoagulant found in mammals. Reason: Heparin prevents the conversion of ... . If both Assertion & Reason are false.
Description : An anticoagulant is
Last Answer : An anticoagulant is A. Heparin B. Hirudin C. EDTA D. All the above
Description : As thrombin generation proceeds, the body has natural anticoagulant systems opposing further thrombus formation. Natural anticoagulants include: a. Tissue plasminogen activator (TPA) b. Antithrombin III c. Activated protein C d. Heparin cofactor II
Last Answer : Answer: b, c, d Just as thrombin generation is the key to coagulation, antithrombin III is the most central anticoagulant proteins. This glycoprotein binds to thrombin, preventing its removal of ... in the body. Therefore, TPA is part of the fibrinolytic system rather than a natural anticoagulant
Description : The standard management oral anticoagulant therapy for chronic treatment of venous thromboembolism is with the drug warfarin. Which of the following statement(s) is/are true concerning the administration ... warfarin be continued for at least one year after initial episode of deep venous thrombosis
Last Answer : Answer: a, b Warfarin interferes with the vitamin K dependent clotting factors II, VII, IX and X, protein C, and protein S. An important complication of warfarin is skin ... the benefit from anticoagulant therapy and thus is the basis for discontinuing warfarin administration at this time
Description : A patient on oral anticoagulant therapy is commenced on sulfamethoxazoletrimethoprim, double-strength twice daily. One may expect to see the international normalized ratio (a) Increase (b) Decrease (c) Remain unchanged
Last Answer : Ans: A
Description : A patient to be commenced on oral anticoagulant therapy for DVT would be treated with (a) Oral anticoagulant therapy with warfarin for a goal intenational normalized ration (INR) of 2-3 (b) Oral anticoagulant therapy ... of 2.5-3.5 (c) Oral anticoagulant therapy with aspirin for a goal INR of 2-3
Description : Name the anticoagulant present in leech?
Last Answer : Hirudin
Description : Anticoagulant medication is indicated in: A. Immobilized elederly patients B. Buerger’s disease C. Stroke due to cerebral thrombosis D. All of the above
Last Answer : A. Immobilized elederly patients
Description : You are treating a patient of deep vein thrombosis with warfarin. What value of International normalized ratio (INR) will you attempt by adjusting dose of the anticoagulant for an adequate therapeutic effect: A. 1.2 – 1.5 B. 1.3 – 1.7 C. 1.5 – 2.0 D. 2.0 – 3.0
Last Answer : D. 2.0 – 3.0
Description : The following statements are true of oral anticoagulants except: A. They interfere with an early step in the synthesis of clotting factors B. Irrespective of the dose administered, their ... dose is adjusted by repeated measurement of prothrombin time D. They are contraindicated during pregnancy
Last Answer : A. They interfere with an early step in the synthesis of clotting factors
Description : Why should care be taken when prescribing warfarin and amiodarone in combination? A. Amiodarone and warfarin both have an anticoagulant effect. B. Amiodarone may reverse the anticoagulant ... anticoagulant effect of warfarin. D. Warfarin may reverse the antiarrhythmic effect of amiodarone.
Last Answer : C. Amiodarone may increase the anticoagulant effect of warfarin.
Description : Which Blood Cell Helps Blood Coagulation ?
Last Answer : : Molecules help in blood clotting in the process of endophagositosis.
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
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
Description : Which of the following substances, if introdced into the blood system, would cause coagulation of blood at the site of its introduction
Last Answer : Which of the following substances, if introdced into the blood system, would cause coagulation of ... B. Fibronogen C. Heparin D. Prothrombin
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
Description : Which is unrelated to blood coagulation ?
Last Answer : Which is unrelated to blood coagulation ? A. Fibrinogen B. Fibrin C. Bilirubin D. Calcium
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
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
Description : A non-functional plasma enzyme is (A) Psudocholinesterase (B) Lipoprotein lipase (C) Proenzyme of blood coagulation (D) Lipase
Last Answer : Answer : D
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
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
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)
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
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.
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
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.
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).
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.
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.
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").
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)
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
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
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
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
Description : In which following help in blood cloathing or coagulation
Last Answer : k
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
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