Prothrombin time is prolonged in (A) Vitamin K deficiency (B) Liver damage (C) Both (A) and (B) (D) None of these

1 Answer

Answer :

Answer : C

Related questions

Description : Prothrombin time remains prolonged even after parenterals administration of vitamin K in (A) Haemolytic jaundice (B) Liver damage (C) Biliary obstruction (D) Steatorrhoea

Last Answer : Answer : B

Description : All the following statements about obstructive jaundice are true except (A) Prothrombin time may be prolonged due to impaired absorption of vitamin K (B) Serum alkaline phosphatase may be raised ... systemic circulation due to biliary obstruction (D) There is no defect in conjugation of bilirubin

Last Answer : Answer : B

Description : Prothrombin time is prolonged by administering (A) Vitamin K (B) Dicoumarol (C) Calcium (D) Prothrombin

Last Answer : Answer : B

Description : Prothrombin time is prolonged by administering (A) Vitamin K (B) Dicoumarol (C) Calcium (D) Prothrombin

Last Answer : Answer : A

Description : The transfusion of fresh frozen plasma (FFP) is indicated for which of the following reasons? A. Volume replacement. B. As a nutritional supplement. C. Specific coagulation factor deficiency ... the correction of abnormal PT secondary to warfarin therapy, vitamin K deficiency, or liver disease.

Last Answer : Answer: CD DISCUSSION: The use of FFP as a volume expander is not indicated. There are currently several preparations (both crystalloid and colloid) that are equally effective and do not carry the infectious and ... vitamin K-dependent factors II, VII, IX, and X, as well as protein C and protein S

Description : All the following conditions produce a real or functional deficiency of vitamin K except (A) Prolonged oral, broad spectrum antibiotic therapy (B) Total lack of red meat in the diet (C) The total lack of green leafy vegetables in the diet (D) Being a new born infant

Last Answer : Answer : B

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 : In parenhymatous liver disease the prothrombin time (A) Remains normal (B) Increases (C) Decreases (D) Responds to Vit K

Last Answer : Answer : B

Description : An early effect of vitamin a deficiency is (A) Xerophthalmia (B) Keratomalacia (C) Prolonged dark adaptation time (D) Follicular hyperkeratosis

Last Answer : Answer : C

Description : Von Willebrand's disease is a common, congenital bleeding disorder. Which of the following statement(s) is/are true concerning Von Willebrand's disease? a. As in hemophilia, it is ... -treatment for elective surgery require administration of cryoprecipitate to achieve levels of 23-50% of normal

Last Answer : Answer: c, d Von Willebrand's factor is an adhesive protein that mediates platelet adhesion to collagen. In addition, it protects and prevents the rapid removal of factor VIII ... platelet aggregation responses to ristocetin. The most reliable source of Von Willebrand's factor is cryoprecipitate

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

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 : 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.

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

Description : The specific role of Vitamin K is in the synthesis of - (1) Albumin. (2) Antibodies (3) Globulin (4) Prothrombin

Last Answer : (4) Prothrombin Explanation: Vitamin K is a necessary participant in synthesis of several proteins that mediate both coagulation and anticoagulation. It is noteworthy for the synthesis of Prothrombin ( ... in the clotting process. Vitamin K is integrally involved in the clotting mechanism of blood.

Description : Vitamin K is required for (a) change of prothrombin into thrombin (b) synthesis of prothrombin (c) change of fibrinogen to fibrin (d) formation of thromboplastin.

Last Answer : (b) synthesis of prothrombin

Description : The specific role of Vitamin K is in the synthesis of (1) Albumin (2) Antibodies (3) Globulin (4) Prothrombin

Last Answer : Prothrombin

Description : A test to evaluate detoxifying function of liver is (A) Serum albumin: globulin ratio (B) Galactose tolerance test (C) Hippuric acid test (D) Prothrombin time

Last Answer : Answer : C

Description : Prothrombin is synthesised in (A) Erythrocytes (B) Reticulo-endothelial cells (C) Liver (D) Kidneys

Last Answer : Answer : C

Description : Vitamin deficiency that causes fatty liver includes all except (A) Vitamin E (B) Pyridoxine (C) Retionic acid (D) Pantothenic acid

Last Answer : Answer : C

Description : In obstructive jaundice prothrombin time (A) Remains normal (B) Decreases (C) Responds to vit K and becomes normal (D) Responds to vit K and increases

Last Answer : Answer : C

Description : Prolonged and severe iron deficiency can cause astrophy of epithelium of (A) Oral cavity (B) Oesophagus (C) Stomach (D) All of these

Last Answer : Answer : D

Description : The deficiency of which one of the following vitamin causes creatinuria? (A) Vitamin E (B) Vitamin K (C) Vitamin A (D) Vitamin B6

Last Answer : Answer : C

Description : Scurvy is caused due to the deficiency of (A) Vitamin A (B) Vitamin D (C) Vitamin K (D) Vitamin C

Last Answer : Answer : D

Description : Creatinuria is caused due to the deficiency of vitamin (A) A (B) K (C) E (D) D

Last Answer : Answer : C

Description :  Inhibitors of prostaglandin synthesis share the following features except: A. Prolongation of bleeding time B. Prolongation of prothrombin time C. Prolongation of labour D. Gastric mucosal damage

Last Answer : B. Prolongation of prothrombin time

Description : Hypervitaminosis K in neonates may cause (A) Porphyria (B) Jaundice (C) Pellagra (D) Prolonged bleeding

Last Answer : Answer : B

Description : Which of the following statement(s) is/are true concerning hemophilia A? a. Hemophilia A is inherited as a sex-linked recessive deficiency of factor VIII b. A positive family history for ... platelet aggregation d. Spontaneous bleeding is unusual with factor VIII levels greater than 10% of normal

Last Answer : Answer: a, d Hemophilia A is inherited as a sex-linked recessive deficiency of factor VIII although 0% of cases are secondary to spontaneous mutation. The incidence of this abnormality is ... factor levels as low as 1% have been noted and patients are at risk for spontaneous bleeding

Description : What is damage to the skin and underlying tissues caused by prolonged exposure to extreme cold is called?

Last Answer : frostbite

Description : Do car magnets damage paint after prolonged use?

Last Answer : Car magnets are completely safe to use on a car. The metal of the magnet does not interact with the paint of the car. Car magnets are specifically designed to be placed on a car with no damage.

Description : Prolonged oral therapy with the following antibiotic can damage intestinal villi resulting in statorrhoea and loose motions (a) Ampicillin (b) Tetracycline (c) Neomycin (d) Nystatin

Last Answer : Ans: C

Description : Prolonged oral therapy with the following antibiotic can damage intestinal villi resulting in steatorrhoea and loose motions: A. Ampicillin B. Tetracycline C. Neomycin D. Nystatin

Last Answer : C. Neomycin

Description : A chronic disease of the liver in which fat deposits and scar tissue replace normal cells is: a) cirrhosis b) hepatitis c) constipation d) vitamin deficiency

Last Answer : ANSWER: A -- CIRRHOSIS

Description : Von Willebrand disease is, A. Haemophilic disease B. Bacterial Endocarditis C. Congenital cardiac disease D. Rheumatic fever Decreased PTT, bleeding time prolonged, deficiency factor VIII

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Description : What is true of nicotinic acid as well as nicotinamide: A. Both possess vitamin B3 activity B. Both cause cutaneous vasodilatation C. Both lower plasma triglyceride and VLDL levels D. Both cause hyperglycaemia after prolonged medication

Last Answer : A. Both possess vitamin B3 activity

Description : Which vitamin is required for formation of Prothrombin?

Last Answer : Vitamin K

Description : Prolonged deficiency of nicotinic acid causes (a) pellagra (b) xerophthalmia (c) osteomalacia (d) anaemia.

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Description : Which of the following statements are true of the multiple organ dysfunction syndrome (MODS)? A. The two-hit model proposes that secondary MODS may be produced when even a relatively ... intensive care units has decreased owing to increased awareness, prevention, and treatment of the syndrome.

Last Answer : Answer: ABC DISCUSSION: MODS is part of a clinical continuum that begins with the systemic inflammatory response syndrome, which is the host's stress response to any major insult such ... pathogenesis of MODS, the incidence of MODS continues to increase without a significant improvement in outcome

Description : A dietary deficiency in both the quantity and the quality of protein results in (A) Kwashiorkar (B) Marasmus (C) Xerophtalmia (D) Liver diseases

Last Answer : Answer : A

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 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 : Disease caused due to deficiency of vitamin K

Last Answer : Ans. Non-coagulation of blood

Description : Why are some types of hemorrhagic diseases caused by genetic or acquired deficiency of the vitamin K metabolism?

Last Answer : Deficiency of vitamin K predisposes to hemorrhages since this vitamin is fundamental for the formation of prothrombin in the blood clotting process.

Description : Name the vitamin whose deficiency causes excessive bleeding? (1) Vitamin A (2) Vitamin B (3) Vitamin K (4) Vitamin C

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.

Description : Scurvy is a disease which is caused due to the deficiency of vitamin. (1) A (2) K (3) C (4) Byg

Last Answer : (3) C Explanation: Scurvy is a condition where an individual has a vitamin C (ascorbic acid) deficiency. Scurvy often presents itself initially as symptoms of malaise and lethargy, followed by ... there can be open, suppurating wounds, loss of teeth, jaundice, fever, neuropathy and death.

Description : Scurvy is caused due to the deficiency of - (1) Vitamin-D (2) Vitamin-K (3) Vitamin-E (4) Vitarnin-C

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Description : The haemorrhagic disease of new born is caused due to the deficiency of (a) vitamin K (b) vitamin B12 (c) vitamin A (d) vitamin B1.

Last Answer : (a) vitamin K