The termination of heparin activity by protamine sulfate is due to (a) A chelating action (b) The inhibition of gastrointestinal absorption of heparin (c) The displacement of heparin-plasma protein binding (d) An acid-base interaction (e) The prothrombin-like activity of protamine

The termination of heparin activity by protamine sulfate is due to (a) A chelating action (b) The inhibition of gastrointestinal absorption of heparin (c) The displacement of heparin-plasma protein binding (d) An acid-base interaction (e) The prothrombin-like activity of protamine
by

1 Answer

Answer :

Ans: D
by
selected

Related questions

The following can be used to antagonise the action of heparin in case of overdose: A. Heparan sulfate B. Dextran sulfate C. Protamine sulfate D. Ancrod

Description : The following can be used to antagonise the action of heparin in case of overdose: A. Heparan sulfate B. Dextran sulfate C. Protamine sulfate D. Ancrod

Last Answer : C. Protamine sulfate

The emetic action of morphine is due to (a) Irritation of gastrointestinal tract (b) Stimulation of cerebral cortex (c) Stimulation of medullary vomiting center (d) Stimulation of emetic chemoreceptor trigger zone (e) None of the above

Description : The emetic action of morphine is due to (a) Irritation of gastrointestinal tract (b) Stimulation of cerebral cortex (c) Stimulation of medullary vomiting center (d) Stimulation of emetic chemoreceptor trigger zone (e) None of the above

Last Answer : Ans: D

The antidote to heparin is a) protamine sulfate. Protamine sulfate, in the appropriate dosage, acts quickly to reverse the effects of heparin. b) vitamin K. Vitamin K is the antidote to warfarin (Coumadin). c) Narcan. Narcan is the drug used to reverse signs and symptoms of medicationinduced narcosis. d) Ipecac. Ipecac is an emetic used to treat some poisonings.

Description : The antidote to heparin is a) protamine sulfate. Protamine sulfate, in the appropriate dosage, acts quickly to reverse the effects of heparin. b) vitamin K. Vitamin K is the antidote to ... and symptoms of medicationinduced narcosis. d) Ipecac. Ipecac is an emetic used to treat some poisonings.

Last Answer : a) protamine sulfate. Protamine sulfate, in the appropriate dosage, acts quickly to reverse the effects of heparin.

Which of the following medications are used to reverse the effects of heparin? a) Protamine sulfate Protamine sulfate is known as the antagonist to heparin. b) Streptokinase Streptokinase is a thrombolytic agent. c) Clopidigrel (Plavix) Clopidigrel (Plavix) is an antiplatelet medication that is given to reduce the risk of thrombus formation post coronary stent placement. d) Aspirin The antiplatelet effect of aspirin does not reverse the effects of heparin.

Description : Which of the following medications are used to reverse the effects of heparin? a) Protamine sulfate Protamine sulfate is known as the antagonist to heparin. b) Streptokinase Streptokinase is a ... placement. d) Aspirin The antiplatelet effect of aspirin does not reverse the effects of heparin.

Last Answer : a) Protamine sulfate Protamine sulfate is known as the antagonist to heparin.

A FDA – approved ingredient for protection against painful sensitivity of the teeth due to cold, heat, acids, sweets or contact is (a) Dicalcium phosphate (b) Sodium lauryl sulfate (c) 5% potassium nitrate (d) Zinc chloride (e) Calcium carbonate

Description : A FDA – approved ingredient for protection against painful sensitivity of the teeth due to cold, heat, acids, sweets or contact is (a) Dicalcium phosphate (b) Sodium lauryl sulfate (c) 5% potassium nitrate (d) Zinc chloride (e) Calcium carbonate

Last Answer : Ans: C

5 A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination of its action: A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution

Description : 5 A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination ... : A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution

Last Answer : D. Redistribution

A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination of its action: A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution

Description : A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination of ... : A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution

Last Answer : D. Redistribution

A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination of its action: A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution

Description : A nonvolatile, highly lipid soluble drug is metabolized at a rate of 15% per hour. On intravenous injection it produces general anaesthesia for 10 min. Which process is responsible for termination of ... : A. Metabolism in liver B. Plasma protein binding C. Excretion by kidney D. Redistribution

Last Answer : D. Redistribution

Potential adverse effects associated with aspirin include all of the following except (a) Gastrointestinal ulceration (b) Renal dysfunction (c) Enhanced methotrexate toxicity (d) Cardiac arrhythmias (e) Hypersensitivity asthma

Description : Potential adverse effects associated with aspirin include all of the following except (a) Gastrointestinal ulceration (b) Renal dysfunction (c) Enhanced methotrexate toxicity (d) Cardiac arrhythmias (e) Hypersensitivity asthma

Last Answer : Ans: E

Acute or chronic colchicine toxicity may be identified by which of the following signs/symptoms? (a) Alopecia (b) Blood dyscrasias (c) Severe gastrointestinal upset (d) All of the above (e) None of the above

Description : Acute or chronic colchicine toxicity may be identified by which of the following signs/symptoms? (a) Alopecia (b) Blood dyscrasias (c) Severe gastrointestinal upset (d) All of the above (e) None of the above

Last Answer : Ans: D

Which of the following prostaglandin analogs is used specifically for the treatment of NSAID induced gastrointestinal ulcertation? (a) Alprostadil (b) Misoprostol (c) Carboprost (d) Dinoprostone (e) Epoprostenol

Description : Which of the following prostaglandin analogs is used specifically for the treatment of NSAID induced gastrointestinal ulcertation? (a) Alprostadil (b) Misoprostol (c) Carboprost (d) Dinoprostone (e) Epoprostenol

Last Answer : Ans: B

The primary objective for designing drugs that selectively inhibit COX – 2 is to (a) Decrease the risk of nephrotoxicity (b) Improve anti-inflammatory effectiveness (c) Lower the risk of gastrointestinal toxicity (d) Reduce the cost of treatment of rheumatoid arthritis (e) Selectively decrease thromboxane A2 without effects on other eicosanoids

Description : The primary objective for designing drugs that selectively inhibit COX - 2 is to (a) Decrease the risk of nephrotoxicity (b) Improve anti-inflammatory effectiveness (c) Lower the ... of treatment of rheumatoid arthritis (e) Selectively decrease thromboxane A2 without effects on other eicosanoids

Last Answer : Ans: C

A 45-year-old surgeon has developed symmetric early morning stiffness in her hands. She wishes to take a nonsteroidal anti-inflammatory drug to relieve these symptoms and wants to avoid gastrointestinal side effects. Which one of the following drugs is most appropriate? (a) Aspirin (b) Celecoxib (c) Ibuprofen (d) Indomethacin (e) Piroxicam

Description : A 45-year-old surgeon has developed symmetric early morning stiffness in her hands. She wishes to take a nonsteroidal anti-inflammatory drug to relieve these symptoms and wants to avoid gastrointestinal side ... appropriate? (a) Aspirin (b) Celecoxib (c) Ibuprofen (d) Indomethacin (e) Piroxicam

Last Answer : Ans: B

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

In gastrointestinal tract, serotonin causes (a) Contraction of gastrointestinal muscles (b) Decreased muscle tone (c) Decreased peristalsis (d) All of the above

Description : In gastrointestinal tract, serotonin causes (a) Contraction of gastrointestinal muscles (b) Decreased muscle tone (c) Decreased peristalsis (d) All of the above

Last Answer : Ans: A

Aspirin in low doses produces longlasting inhibition (a) Platelets contain low quantity of COX (b) Platelets cannot synthesize fresh COX molecules (c) Platelets bind aspirin with high affinity (d) Platelet COX is inducible

Description : Aspirin in low doses produces longlasting inhibition (a) Platelets contain low quantity of COX (b) Platelets cannot synthesize fresh COX molecules (c) Platelets bind aspirin with high affinity (d) Platelet COX is inducible

Last Answer : Ans: B

A 65-year-old is interested in taking ginkgo. Which of the following statements is correct regarding ginkgo? (a) Ginkgo is contraindicated in diabetes and pregnancy (b) There is a drug-herb interaction between ginkgo and aspirin (c) Toxic effects include hypertension and cardiac arrest (d) There is a drug-herb interaction between ginkgo and phenelzine (e) Ginkgo is contraindicated in patients with gallstone pain

Description : A 65-year-old is interested in taking ginkgo. Which of the following statements is correct regarding ginkgo? (a) Ginkgo is contraindicated in diabetes and pregnancy (b) There is a ... drug-herb interaction between ginkgo and phenelzine (e) Ginkgo is contraindicated in patients with gallstone pain

Last Answer : Ans: B

Mini-dose heparin has been shown to be useful in the prophylaxis of postoperative venous thrombosis. Mechanism(s) by which low-dose heparin is/are thought to protect against venous thrombosis include: a. Enhancement of antithrombin III activity b. A decrease in thrombin availability c. Inhibition of platelet aggregation and subsequent platelet release action d. A mild prolongation of activated partial thromboplastin time

Description : Mini-dose heparin has been shown to be useful in the prophylaxis of postoperative venous thrombosis. Mechanism(s) by which low-dose heparin is/are thought to protect against venous ... aggregation and subsequent platelet release action d. A mild prolongation of activated partial thromboplastin time

Last Answer : Answer: a, b, c Low-dose heparin is thought to protect against venous thrombosis through three different mechanisms. First, antithrombin III activity with its inhibition of activated Factor X is ... release reaction. The standard doses of heparin administered (5000 units bid) does not affect aPTT

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

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 action of aspirin that results in its greater efficacy as an antithrombotic (anti-platelet) drug is its ability to (a) Inhibit lipoxygenase as well as cyclooxygenase (b) Selectively inhibit cyclooxygenase I (c) Inhibit leukocyte migration (d) Promote uric acid excretion (e) Acetylate cyclooxygenase

Description : The action of aspirin that results in its greater efficacy as an antithrombotic (anti-platelet) drug is its ability to (a) Inhibit lipoxygenase as well as cyclooxygenase (b) Selectively inhibit ... I (c) Inhibit leukocyte migration (d) Promote uric acid excretion (e) Acetylate cyclooxygenase

Last Answer : Ans: E

The mechanism of antibacterial action of tetracycline involves (a) Binding to a component of the 50S ribosomal subunit (b) Inhibition of translocase activity (c) Blockade of binding of aminoacyl – tRNA to bacterial ribosomes (d) Selective inhibition of ribosomal peptidyl transferases (e) Inhibition of DNA–dependent RNA polymerase

Description : The mechanism of antibacterial action of tetracycline involves (a) Binding to a component of the 50S ribosomal subunit (b) Inhibition of translocase activity (c) Blockade of binding of ... (d) Selective inhibition of ribosomal peptidyl transferases (e) Inhibition of DNA-dependent RNA polymerase

Last Answer : Ans: C

In the treatment of chronic inflammatory diseases, the most important limitation of aspirin is (a) Acid – base and electrolytc disturbances (b) Hypersensitivity and idiosyncratic reactions (c) Gastric mucosal damage (d) Salicylism

Description : In the treatment of chronic inflammatory diseases, the most important limitation of aspirin is (a) Acid – base and electrolytc disturbances (b) Hypersensitivity and idiosyncratic reactions (c) Gastric mucosal damage (d) Salicylism

Last Answer : Ans: C

Acetyl salicylic acid is soluble in (a) An aqueous base (b) Water (c) An aqueous acid

Description : Acetyl salicylic acid is soluble in (a) An aqueous base (b) Water (c) An aqueous acid

Last Answer : Ans: A

The following adverse effect of corticosteroids is due to their mineralocorticoid action (a) Osteoporosis (b) Rise in blood pressure (c) Moon face (d) Increased susceptibility to infection

Description : The following adverse effect of corticosteroids is due to their mineralocorticoid action (a) Osteoporosis (b) Rise in blood pressure (c) Moon face (d) Increased susceptibility to infection

Last Answer : Ans: B

The antiviral action of amantadine is exerted through: A. Interaction with the viral M2 protein B. Interaction with a virus directed thymidine kinase C. Inhibition of a viral protease enzyme D. Inhibition of viral RNA mediated DNA synthesi

Description : The antiviral action of amantadine is exerted through: A. Interaction with the viral M2 protein B. Interaction with a virus directed thymidine kinase C. Inhibition of a viral protease enzyme D. Inhibition of viral RNA mediated DNA synthesi

Last Answer : A. Interaction with the viral M2 protein

Codeine acts as a cough sedative by (a) Producing mild nausea (b) Depressing bronchiolar secretions (c) Depressing pulmonary action (d) Depressing cough center (e) Paralyzing sensory nerves of bronchi

Description : Codeine acts as a cough sedative by (a) Producing mild nausea (b) Depressing bronchiolar secretions (c) Depressing pulmonary action (d) Depressing cough center (e) Paralyzing sensory nerves of bronchi

Last Answer : Ans: D

Which of the following glucocorticoids has significant mineralocorticoid activity also ? (a) Hydrocortisone (b) Triamcinolone (c) Dexamethasone (d) Betamethasone

Description : Which of the following glucocorticoids has significant mineralocorticoid activity also ? (a) Hydrocortisone (b) Triamcinolone (c) Dexamethasone (d) Betamethasone

Last Answer : Ans: A

Blood does not clot in the blood vessels due to the presence of – (1) Thrombin (2) Fibrinogen (3) Heparin (4) Prothrombin

Description : Blood does not clot in the blood vessels due to the presence of – (1) Thrombin (2) Fibrinogen (3) Heparin (4) Prothrombin

Last Answer : (3) Heparin Explanation: There are two major facets of the clotting mechanism — the platelets, and the thrombin system. The thrombin system consists of several blood proteins that, when bleeding occurs, become activated.

Blood does not clot in the blood vessels due to the presence of (1) Thrombin (2) Fibrinogen (3) Heparin (4) Prothrombin

Description : Blood does not clot in the blood vessels due to the presence of (1) Thrombin (2) Fibrinogen (3) Heparin (4) Prothrombin

Last Answer : Thrombin

Patient on anti-coagulant therapy requires an extraction to be performed. Which of the following is NOT true: A. Minor post operative bleedings can be reduced somehow by using tranexamic acid B. Prothrombin value (INR) of 3 is enough to perform extraction C. It takes at least 8 hours for heparin to take effects D. Heparin should be administered sub-cutaneous

Description : Patient on anti-coagulant therapy requires an extraction to be performed. Which of the following is NOT true: A. Minor post operative bleedings can be reduced somehow by using tranexamic acid B. ... takes at least 8 hours for heparin to take effects D. Heparin should be administered sub-cutaneous

Last Answer : C. It takes at least 8 hours for heparin to take effects

Which action of morphine is incompletely reversed by naloxone ? (a) Analgesia (b) Respiratory depression (c) Sedation (d) Miosis

Description : Which action of morphine is incompletely reversed by naloxone ? (a) Analgesia (b) Respiratory depression (c) Sedation (d) Miosis

Last Answer : Ans: C

Pentazocine differs from morphine in that (a) It is inactive by the oral route (b) It does not produce physical dependence (c) It has a lower ceiling of analgesic effect (d) Its action is not blocked by naloxone

Description : Pentazocine differs from morphine in that (a) It is inactive by the oral route (b) It does not produce physical dependence (c) It has a lower ceiling of analgesic effect (d) Its action is not blocked by naloxone

Last Answer : Ans: C

Corticosteroids exert anti-inflammatory action by inhibiting the following enzyme (a) Cycloxygenase (b) Lipozygenase (c) Phospholipase - A (d) Phosphodiesterase

Description : Corticosteroids exert anti-inflammatory action by inhibiting the following enzyme (a) Cycloxygenase (b) Lipozygenase (c) Phospholipase - A (d) Phosphodiesterase

Last Answer : Ans: C

The following action(s) of heparin is/are essential for inhibition of factor Xa: A. Facilitation of antithrombin III mediated inhibition of factor XIIa B. Provision of scaffold for the clotting factor to interact with antithrombin III C. Induction of a configurational change in antithrombin III to expose its interacting sites D. Both ‘A’ and ‘B

Description : The following action(s) of heparin is/are essential for inhibition of factor Xa: A. Facilitation of antithrombin III mediated inhibition of factor XIIa B. Provision of scaffold for the clotting factor ... configurational change in antithrombin III to expose its interacting sites D. Both A' and B

Last Answer : C. Induction of a configurational change in antithrombin III to expose its interacting sites

Streptomycin sulfate is not absorbed orally because it is (a) Degraded by gastrointestinal enzymes (b) Destroyed by gastric acid (c) Highly ionized at a wide range of pH values (d) Insoluble in water

Description : Streptomycin sulfate is not absorbed orally because it is (a) Degraded by gastrointestinal enzymes (b) Destroyed by gastric acid (c) Highly ionized at a wide range of pH values (d) Insoluble in water

Last Answer : Ans: C

Streptomycin sulfate is not absorbed orally because it is: A. Degraded by gastrointestinal enzymes B. Destroyed by gastric acid C. Highly ionized at a wide range of pH values D. Insoluble in water

Description : Streptomycin sulfate is not absorbed orally because it is: A. Degraded by gastrointestinal enzymes B. Destroyed by gastric acid C. Highly ionized at a wide range of pH values D. Insoluble in water

Last Answer : C. Highly ionized at a wide range of pH values

Inflammation is a complex tissue reaction that includes the release of cytokines, leukotrienes, prostaglandins, and peptides. Prostaglandins involved in inflammatory processes are produced from arachidonic acid by (a) Cyclooxygenase 1 (b) Cyclooxygenase 2 (c) Glutathione – S – transferase (d) Lipoxygenase (e) Phospholipase A2

Description : Inflammation is a complex tissue reaction that includes the release of cytokines, leukotrienes, prostaglandins, and peptides. Prostaglandins involved in inflammatory processes are produced from arachidonic acid by (a) ... 2 (c) Glutathione - S - transferase (d) Lipoxygenase (e) Phospholipase A2

Last Answer : Ans: B

Erythromycin binds to 50 S ribosomal sub unit and (A) Inhibits binding of amino acyl tRNA (B) Inhibits Peptidyl transferase activity (C) Inhibits translocation (D) Causes premature chain termination

Description : Erythromycin binds to 50 S ribosomal sub unit and (A) Inhibits binding of amino acyl tRNA (B) Inhibits Peptidyl transferase activity (C) Inhibits translocation (D) Causes premature chain termination

Last Answer : Answer : C

For limiting cerebral edema due to brain tumour, the preferred corticosteroids are betamenthasone/dexamethasone because (a) They do not cause Na+ and water retention (b) They are more potent (c) They can be administered intravenously (d) They inhibit brain tumours

Description : For limiting cerebral edema due to brain tumour, the preferred corticosteroids are betamenthasone/dexamethasone because (a) They do not cause Na+ and water retention (b) They are more potent (c) They can be administered intravenously (d) They inhibit brain tumours

Last Answer : Ans: A

Decomposition of the acetyl salicylic acid at room temperature most likely would occur by (a) Oxidation of the ester (b) Reduction of the carboxylic acid (c) Hydrolysis of the ester

Description : Decomposition of the acetyl salicylic acid at room temperature most likely would occur by (a) Oxidation of the ester (b) Reduction of the carboxylic acid (c) Hydrolysis of the ester

Last Answer : Ans: C

The mechanism of action of cyclosporine involves (a) Activation of calcineurin (b) Binding to cyclophilin to cause inhibition of a cytoplasmic phosphatase (c) Blockade of interleukin – 2- receptors (d) Inhibition of phospholipase A2 (e) Suppression of bone marrow progenitors

Description : The mechanism of action of cyclosporine involves (a) Activation of calcineurin (b) Binding to cyclophilin to cause inhibition of a cytoplasmic phosphatase (c) Blockade of interleukin – 2- receptors (d) Inhibition of phospholipase A2 (e) Suppression of bone marrow progenitors

Last Answer : Ans: B

Assertion: Heparin is an anticoagulant found in mammals. Reason: Heparin prevents the conversion of prothrombin to thrombin

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.

Which of the following statement(s) concerning laboratory studies used in monitoring a patient with intravenous heparinization is/are correct? a. The platelet count should be followed because of the risk of heparin-associated thrombocytopenia b. The prothrombin time should be observed if prolonged treatment is necessary c. The activated partial thromboplastin time (aPTT) should be maintained at approximately 1.5 times normal d. The serum creatinine should be measured daily to allow adjustments in dose based on renal function

Description : Which of the following statement(s) concerning laboratory studies used in monitoring a patient with intravenous heparinization is/are correct? a. The platelet count should be followed because of the ... serum creatinine should be measured daily to allow adjustments in dose based on renal function

Last Answer : Answer: a, c In monitoring the effect of heparin, an activated partial thromboplastin time (aPTT) of 1.5 control or a thrombin clotting time (TCT) of 2 times control reflects adequate ... system. Therefore the dose of heparin need not be adjusted in cases of liver or renal dysfunction

Which of the following is not true about warfarin, a. INR of 3 is enough to start any extraction. b. Affects extrinsic system and increases prothrombin time. c. Heparin can be given subcutaneously and acts rapidly. d. It takes at least 12 hours for Vitamin K to reverse the effects of coumarin.

Description : Which of the following is not true about warfarin, a. INR of 3 is enough to start any extraction. b. Affects extrinsic system and increases prothrombin time. c. Heparin can be given subcutaneously ... rapidly. d. It takes at least 12 hours for Vitamin K to reverse the effects of coumarin.

Last Answer : d. It takes at least 12 hours for Vitamin K to reverse the effects of coumarin.

Which of the following is not true about warfarin, ** A. INR of 3 is enough to start any extraction B. Affects extrinsic system and decreases prothrombin time C. Heparin can be given subcutaneously and acts rapidly D. It takes up to 12 hours for Vitamin K to reverse the effects of warfarin

Description : Which of the following is not true about warfarin, ** A. INR of 3 is enough to start any extraction B. Affects extrinsic system and decreases prothrombin time C. Heparin can be given subcutaneously and acts rapidly D. It takes up to 12 hours for Vitamin K to reverse the effects of warfarin

Last Answer : B. Affects extrinsic system and decreases prothrombin time

Low doses of heparin prolong: A. Bleeding time B. Activated partial thromboplastin time C. Prothrombin time D. Both ‘B’ and ‘C’

Description : Low doses of heparin prolong: A. Bleeding time B. Activated partial thromboplastin time C. Prothrombin time D. Both ‘B’ and ‘C’

Last Answer : B. Activated partial thromboplastin time

Blood fails to clot white flowing in the blood vessel because of the presence of (1) Heparin (2) Prothrombin (3) Haemoglobin (4) Hirudin

Description : Blood fails to clot white flowing in the blood vessel because of the presence of (1) Heparin (2) Prothrombin (3) Haemoglobin (4) Hirudin

Last Answer : Heparin

Assertion `:-` Porthrombinase enzymes converts prothrombin into active thrombin. Reason`:` Thrmoboplastin react with plasma protein in the presece of

Description : Assertion `:-` Porthrombinase enzymes converts prothrombin into active thrombin. Reason`:` Thrmoboplastin react with plasma protein in the presece of

Last Answer : Assertion `:-` Porthrombinase enzymes converts prothrombin into active thrombin. Reason`:` Thrmoboplastin ... If both Assertion & Reason are false.