Vitamin k, one of the fat-soluble vitamins, plays a role in both bone health and blood clotting. there are two primary forms of the vitamin: phylloquinones and menaquinones. choose the correct statement about vitamin k. a. menaquinones are the primary form of vitamin k in the diet. b. vitamin k deficiency inhibits the blood’s ability to clot. c. excessive use of broad-spectrum antibiotics may cause vitamin k toxicity. d. the major source of vitamin k in our diets is from fortified grains.

b. Vitamin K deficiency inhibits the blood’s ability to clot.

Explanation:

The main form is vitamin K1 (phylloquinone); followed by vitamin K2 (menaquinone), formed from the bacterial action on the large intestine tract and a third compound, vitamin K3 (menadione), a synthetic fat-soluble molecule. These vitamins can be found in many foods: in green vegetables (lettuce, cauliflower and spinach), in tomatoes, Brazil nuts, cashews, potatoes, contained in soybean oil, egg yolk, milk and to a lesser extent in wheat and oats.

Vitamin K participates in blood clotting, its deficiency can make it difficult to stop bleeding. Also causing damage to the body when in excessive concentration, for example: dyspnea (shortness of breath), and chest pain in adults with high vitamin K1 disorder and hyperbilirubinemia in newborns whose mothers in gestation underwent treatment with based on vitamin K3.

they deliver oxygen to the blood