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Doctors Medicines MCQs Q&A

Name the structure analog of vitamin K, which is used as anticoagulant?

Name the structure analog of vitamin K, which is used as anticoagulant? Correct Answer Warfarin

Warfarin is a widely used rat poison which inhibits the vitamin K-dependent carboxylation of prothrombin and clinically used as an anticoagulant. Another anticoagulant is Dicoumarol, a derivative of coumarin.

Related Questions

Which of the following is not correctly matched? Vitamin Chemical Name 1. Vitamin A Retinol 2. Vitamin B2 Thymine 3. Vitamin C Ascorbic acid 4. Vitamin B9 Folates
Which one of the following pairs is not correctly matched?   Vitamin Role  A.   Vitamin B12  anti anaemic factor  B.  Vitamin C  antiscorbutic factor  C.  Vitamin D  anti sterility factor  D.  Vitamin K  antihaemorrhagic  factor
Which of the following pairs is NOT correctly matched? (Vitamin) (Rich Source) (a) Vitamin B6 Rice bran (b) Vitamin B2 Cod-liver oil (c) Vitamin E Wheat germ oil (d) Vitamin K Alfalfa  
Read the passage carefully and choose the best answer to each question out of the four alternatives.
Eight north Indian Ocean countries, namely, Bangladesh, India, the Maldives, Myanmar, Oman, Pakistan, Sri Lanka and Thailand, were asked to contribute names so that a combined list could be compiled. Each country gave eight names and a combined list of 64 names was prepared. This list is currently in use, and all cyclones arising in the north Indian Ocean are named from this list, with one name from each country being used in turn. Almost 38 or 39 names from the list have been used up, but since many cyclones dissipate long before they hit land, their names rarely figure in the papers or other media. The names that people do know about, and remember are, naturally, those that were most destructive ones, or very recent. Aila, in 2009 is remembered with a shudder for the enormous destruction it caused in West Bengal and Bangladesh; Phaillin, also for the damage it caused when it hit the Odisha coast in 2013. Two harmless cyclones, which also might remain in peoples memory, are the more recent ones of 2014 — Hudhud, which threatened the east coast of India and Nilofar, which was expected to, but did not, devastate the western coast. The names in the cyclone list are usually words one associates with storms; words which mean water or wind or lightning in various national languages. Sometimes they are names of other things — birds or flowers or precious stones. The name Aila, contributed by the Maldives means fire, the name Phaillin from Thailand means sapphire, the name Hudhud from Oman is the name of a bird, probably the hoopoe, and the name Nilofar, given by Pakistan, is the Urdu name of the lotus or water lily. The eight names suggested by India, and which are in the list of 64, are Agni, Akaash, Bijli, Jal, Leher, Megh, Sagar and Vayu, meaning in that order, fire, sky, lightning, water, wave, cloud, sea and wind. Five of these names (that is, up to Leher) have been used so far.
For the next cyclone if it is the turn of an Indian name to be chosen, then what will be that name?
Read the passage carefully and choose the best answer to each question out of the four alternatives.
Eight north Indian Ocean countries, namely, Bangladesh, India, the Maldives, Myanmar, Oman, Pakistan, Sri Lanka and Thailand, were asked to contribute names so that a combined list could be compiled. Each country gave eight names and a combined list of 64 names was prepared. This list is currently in use, and all cyclones arising in the north Indian Ocean are named from this list, with one name from each country being used in turn. Almost 38 or 39 names from the list have been used up, but since many cyclones dissipate long before they hit land, their names rarely figure in the papers or other media. The names that people do know about, and remember are, naturally, those that were most destructive ones, or very recent. Aila, in 2009 is remembered with a shudder for the enormous destruction it caused in West Bengal and Bangladesh; Phaillin, also for the damage it caused when it hit the Odisha coast in 2013. Two harmless cyclones, which also might remain in peoples memory, are the more recent ones of 2014 — Hudhud, which threatened the east coast of India and Nilofar, which was expected to, but did not, devastate the western coast. The names in the cyclone list are usually words one associates with storms; words which mean water or wind or lightning in various national languages. Sometimes they are names of other things — birds or flowers or precious stones. The name Aila, contributed by the Maldives means fire, the name Phaillin from Thailand means sapphire, the name Hudhud from Oman is the name of a bird, probably the hoopoe, and the name Nilofar, given by Pakistan, is the Urdu name of the lotus or water lily. The eight names suggested by India, and which are in the list of 64, are Agni, Akaash, Bijli, Jal, Leher, Megh, Sagar and Vayu, meaning in that order, fire, sky, lightning, water, wave, cloud, sea and wind. Five of these names (that is, up to Leher) have been used so far.
Which name suggested by India has not been used so far?
Which of the following vitamins contain antioxidants? 1. Vitamin A  2. Vitamin C 3. Vitamin K  4. Vitamin E Select the correct answer using the code given below.
Consider the following pairs: Vitamin Deficiency disease 1. Vitamin C Scurvy 2. Vitamin D Rickets 3. Vitamin E Night blindness Which of the pairs given above is/are correctly matched?
Which of the following pairs of vitamin and disease is/are correctly matched? 1. Vitamin A: Rickets 2. Vitamin B: Beriberi 3. Vitamin C: Scurvy Select the correct answer using the code given below:
Which of the following are water-soluble vitamins? (a) Vitamin A (b) Vitamin B (c) Vitamin C (d) Vitamin D Select the correct answer using the code below:
Which of the following are fat soluble vitamins? (a) Vitamin A (b) Vitamin B (c) Vitamin C (d) Vitamin D Select the correct answer using the code below: