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 in (A) Vitamin K deficiency (B) Liver damage (C) Both (A) and (B) (D) None of these
Last Answer : Answer : C
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
Description : Prothrombin time remains prolonged even after parenterals administration of vitamin K in (A) Haemolytic jaundice (B) Liver damage (C) Biliary obstruction (D) Steatorrhoea
Description : A patient on dicoumarol treatment needs extraction. Which of the following is MOST valuable in evaluating surgical risks: A. Clotting time B. Bleeding time C. Prothrombin time D. Sedimentation rate E. Complete blood cell count
Last Answer : C. Prothrombin time
Description : The anti-vitamin for para amino benzoic acid is (A) Aminopterin (B) Dicoumarol (C) INH (D) Sulphanomides
Last Answer : Answer : D
Description : An anti-vitamin for folic acid is (A) Aminopterin (B) Dicoumarol (C) Pyrithiamine (D) Isoniazid
Last Answer : Answer : A
Description : The anti-vitamin for para amino benzoic acid is (A) Aminopterrin (B) Dicoumarol (C) INH (D) Sulphonamides
Description : An anti-vitamin for folic acid is (A) Amethoptesin (B) Dicoumarol (C) Pyrithoamine (D) Isoniazid
Description : The anti vitamin for para aminobenzoic acid is (A) Aminopterin (B) Dicoumarol (C) Sulphonamides (D) Thiopanic acid
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
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 : 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 : 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 : 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 : In parenhymatous liver disease the prothrombin time (A) Remains normal (B) Increases (C) Decreases (D) Responds to Vit K
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
Description : An early effect of vitamin a deficiency is (A) Xerophthalmia (B) Keratomalacia (C) Prolonged dark adaptation time (D) Follicular hyperkeratosis
Description : Dicoumarol is antagonist to (A) Riboflavin (B) Retinol (C) Menadione (D) Tocopherol
Description : Hypervitaminosis K in neonates may cause (A) Porphyria (B) Jaundice (C) Pellagra (D) Prolonged bleeding
Description : Calcium absorption is increased by (A) Vitamin D (B) Vitamin C (C) Vitamin K (D) Vitamin E
Last Answer : Vitamin K makes.
Description : Which vitamin is required for formation of Prothrombin?
Last Answer : Vitamin K
Description : What is dicoumarol? How does this substance act in the clotting process and what are some examples of its toxicity?
Last Answer : Dicoumarol is an anticoagulant drug. Due to its molecular structure dicoumarol competes with vitamin K for the binding to substrates blocking the formation of clotting factors and interrupting ... administered during pregnancy since they pass the placental barrier and can cause fetal hemorrhages.
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 : 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
Description : The normal levels of prothrombin time is about (A) 2 sec (B) 4 sec (C) 14 sec (D) 10–16 sec
Description : Why are states having so much trouble finding a humane way of administering the death penalty?
Last Answer : In terms of continuing to do it by lethal injection the problem is that the chemicals they used to use are not being produced much any more because the countries that produced them have outlawed ... seen as cruel and unusual punishment. But we do manage to euthanize our companion animals humanely.
Description : Erythroblastosis foetalis can be avoided by administering …a… to the …b… immediately after the delivery of the …c… child.
Last Answer : Erythroblastosis foetalis can be avoided by administering a to the b immediately after the delivery ... C. Anti-Rh antibodes D. Rh-antigen
Description : What drugs requires a pulse to be taken before administering?
Last Answer : One example would be a beta-blocker. Another example would be acardiac glycoside.
Description : What led to the Mongol Empire system of administering its territories led to?
Last Answer : a period of peace and economic prosperity
Description : What allows congress to check on how the executive branch is administering the law.?
Last Answer : The executive branch doesn’t administer the law nor make law.Congress does.
Description : How can a dairy farmer reduce fodder consumption by his cattle and also increase milk production? (1) By increasing the supply of feed concentrate (2) By stall feeding (3) By allowing the cattle to graze in the fields (4) By administering hormones
Last Answer : (3) By allowing the cattle to graze in the fields Explanation: Like dry fodder is used to fill the empty space in the stomach of cattle, green fodder can also achieve the same result. Fat ... to milk. Green fodder can nicely substitute dry fodder and at the same time keeping the cattle satisfied.
Description : The genetic defect-adenosine deaminase (ADA) deficiency may be cured permanently by (a) administering adenosine deaminase activators (b) introducing bone marrow cells producing ADA into ... replacement therapy (d) periodic infusion of genetically engineered lymphocytes having functional ADA cDNA
Last Answer : (b) introducing bone marrow cells producing ADA into cells at early embryonic stages
Description : According to the Code of Ethics, thecharacteristics distinguishing the accountancy profession include the following except: a. To meet public interest requirement. b. Adherence by its members to a common ... a whole. d. Mastery of a particular intellectual skill, acquired by training and education
Last Answer : To meet public interest requirement
Description : The nurse teaches the patient about glargine (Lantus), a peakless basal insulin including which of the following statements? a) Do not mix the drug with other insulins Because glargine is in a ... action Glargine is a peakless basal insulin that is absorbed very slowly over a 24-hour period.
Last Answer : a) Do not mix the drug with other insulins Because glargine is in a suspension with a pH of 4, it cannot be mixed with other insulins because this would cause precipitation. When administering ... to read the label carefully and to avoid mistaking Lantus insulin for Lente insulin and vice versa.
Description : What is true of DOTS strategy for treatment of tuberculosis: A. It consists of an initial intensive phase and a later continuation phase B. The dose of antitubercular drugs is reduced ... patient himself is made responsible for administering antitubercular drugs D. All of the above are correct
Last Answer : A. It consists of an initial intensive phase and a later continuation phase
Description : The teacher's primary responsibility lies in Options: A) Planning educational experiences B) Implementing and administering policies C) Promoting human relations with parents D) Experimenting with teaching techniques
Last Answer : A) Planning educational experiences
Description : Prothrombin is synthesised in (A) Erythrocytes (B) Reticulo-endothelial cells (C) Liver (D) Kidneys
Description : Prolonged and severe iron deficiency can cause astrophy of epithelium of (A) Oral cavity (B) Oesophagus (C) Stomach (D) All of these
Description : Serum sodium level rises in all of the following except (A) Renal failure (B) Prolonged steroid therapy (C) Aldosteronism (D) Dehydration
Description : Metabolic acidosis is caused in (A) Pneumonia (B) Prolonged starvation (C) Intestinal obstruction (D) Bulbar polio
Description : Pernicious means (A) Prolonged (B) Dangerous (C) Intermittent (D) Idiopathic