Topic - Blood Clotting Process
In these Worksheets for Science you will find different questions related to the topic Blood Clotting Process that will help you to practice the topic more efficiently.
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| Worksheets for Science (Topic - Blood Clotting Process) |
Multiple Choice Questions
1.The process by which the body check the flow of blood at the time of injury is known as blood ___________________.
(a) clotting (b) co-agulation (c) both a and b
2._______________ main substances are required for the clotting of blood.
(a) three (b) two (c) four
3.________________ occurs in blood plasma.
(a) thromboplastin (b) prothrombin (c) both a and b
4.Prothrombin is converted into thrombin by ______________.
(a) thromboplastin (b)fibrinogen (c) none
5._________________ prevents the clotting of blood inside the blood vessels.
(a) heparin (b) fibrinogen (c) thrombin
6.Deficiency of PTC causes haemophilia __________________.
(a) A (b) B (c) C
7.Haemophilia C is caused by the deficiency of ________________.
(a) PTA (b) PTC (c) AHF
8.Vitamin __________________ helps in the production of prothrombin in the liver.
(a) B (b) K (c) C
9.__________________ anticoagulant is found in the saliva of leech.
10.These anti coagulants are used in blood banks. ________________
(a) EDTA (b) sodium citrate and oxalate (c) both a and b
Answers - 1.both a and b 2.four 3.prothrombin 4.thromboplastin 5.heparin 6.B 7.PTA 8.K 9.hirudin 10.both a and b
Fill ups
1.Prothrombin is released from _______________ and _______________ sources.
2.A jelly like substance is formed after the release of ________________.
3.Prothrombin is converted into its active form known as _______________.
4.________________ changes soluble fibrinogen into insoluble fibres.
5.________________ deposits to form a framework of clots.
6.The full form of ACG is ________________
7.The full form of AHF is _______________.
8.Deficiency of AHF causes _______________.
9.Plasma thromboplastin component is also known as ______________ factor.
10.Substances that check the clotting of blood are known as __________________.
Answers - 1.intrinsic, extrinsic 2.prothrombin 3.thrombin 4.thrombin 5.fibrin 6.accelerator globin 7.antihaemophilic factor 8.Haemophilia A 9.christmas 10.anti-coagulants
Write True if the statement is correct and False if the statement is incorrect.
1.Blood clotting is a haemostatic process.
2.Prothrombin is released from a damaged platelet, tissue or blood vessel.
3.Calcium ions don't play any role in converting prothrombin into thrombin.
4.There are 7 types of plasma factors recognized by International Commission on Blood Co-agulation
5.Absence of even one plasma factor affects the process of blood co-agulation.
6.The process of blood co-agulation just takes 2 seconds after an injury.
7.Haemophilia B is also known as christmas disease.
8.Vitamin E is also known as antihaemorrhagic vitamin.
9.Colon bacteria helps in producing vitamin K.
10.Warfarin is an anticoagulant of plant origin.
Answers - 1.True 2.True 3.False 4.False 5.True 6.False 7.True 8.False 9.True 10.True
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