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34. Vitamin K is necessary for normal blood coagulation because of which of the following? A) It complexes with platelets in the first wave of platelet aggregation B) It induces the release of von Willebrand factor C) It inhibits the activation of the fibrinolytic system D) It initiates the contact phase by activating factor XI (plasma thromboplastin antecedent) E) It is a required cofactor for y-carboxylation of protein

34. Vitamin K is necessary for normal blood coagulation because of which of the following? A) It complexes with platelets in the first wave of platelet aggregation B) It induces the release of von Willebrand factor C) It inhibits the activation of the fibrinolytic system D) It initiates the contact phase by activating factor XI (plasma thromboplastin antecedent) E) It is a required cofactor for y-carboxylation of protein

Phlebotomy Essentials
Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
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34 Vitamin K is necessary for normal blood coagulation because of which of the following? OA) It complexes with platelets in the first wave of platelet aggregation B) It induces the release of von Willebrand factor C) It inhibits the activation of the fibrinolytic system D) It initiates the contact phase by activating factor XI (plasma thromboplastin antecedent) E) It is a required cofactor for y-carboxylation of protein
Transcribed Image Text:34 Vitamin K is necessary for normal blood coagulation because of which of the following? OA) It complexes with platelets in the first wave of platelet aggregation B) It induces the release of von Willebrand factor C) It inhibits the activation of the fibrinolytic system D) It initiates the contact phase by activating factor XI (plasma thromboplastin antecedent) E) It is a required cofactor for y-carboxylation of protein
Expert Solution
Step 1 vitamin K

Vitamins are derived from the word vital amines they are important amine group required by the body for various functions and metabolic actions 

Types of vitamin -- 

1. Fat soluble -- includes Vitamin A,D,E,K 

2. Water soluble -- includes Vitamin B complex and vitamin C 

So Vitamin K is a fat soluble vitamin and is stored in liver 

Function of vitamin K -- 

  • Prevent from osteoporosis
  • Decrease menstrual pain 
  • Protect immune system 
  • Regulate blood sugar levels 
  • Help prevent clotting of blood 
  • Prevent bleeding 
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