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Newborn infants have low stores of vitamin K, and human breast milk has low concentrations of the vitamin. This combination can lead to vitamin K deficiency and later onset bleeding. Vitamin K deficiency leads to the risk of blood coagulation problems due to impaired production of clotting factors II, VII, IX, X, protein C and protein S by the ...
Vitamin K is a family of structurally similar, fat-soluble vitamers found in foods and marketed as dietary supplements. [1] The human body requires vitamin K for post-synthesis modification of certain proteins that are required for blood coagulation ("K" from Danish koagulation, for "coagulation") or for controlling binding of calcium in bones and other tissues. [2]
[2] [3] Vitamin K injections are administered to newborns as a preventative measure to reduce the risk of hemorrhagic disease of the newborn (HDN). [ 4 ] [ 5 ] The coagulation pathway helps the body stop active bleeds by using vitamin K dependent clotting factors (factors II, VII, IX, and X) which are synthesized by the liver.
The action figure's arms were made of a soft plastic/vinyl material and contained a mechanism that simulated the bulge of a biceps when the elbow was bent. Big Jim was less military-oriented than the G.I. Joe line, having more of a secret agent motif, but also had a large variety of outfits and situations available including sports, space ...
Therefore, the Committee on Nutrition of the American Academy of Pediatrics recommends that 0.5 to 1.0 mg Vitamin K 1 be administered to all newborns shortly after birth. [ 4 ] Postmenopausal and elderly women in Thailand have a high risk of Vitamin K 2 deficiency, compared with the normal value of young, reproductive females. [ 5 ]
Menadione is converted to vitamin K 2 (specifically, MK-4) by the prenyltransferase action of vertebrate UBIAD1. [4] This reaction requires the hydroquinone (reduced) form of K 3, menadiol, produced by NQO1. [6] Menadione is also a circulating form of vitamin K, produced in small amounts (1–5%) after intestinal absorption of K 1 and K 2.
Food Fighters was an action figure line released by Mattel in 1988. Proverbial for the concept of a food fight, the figures were all different types of anthropomorphic food dressed in military gear. Food Fighters consisted of ten figures, three vehicles, and an unproduced playset.
List of World of Springfield figures and playsets is a compilation of action figures and other items related to the animated sitcom The Simpsons and provided in the World of Springfield play toy line released by Playmates Toys in December 1999. After the last of the toy line was released in December 2004, the fictional toy world eventually ...