Quiz Nine Final Flashcards
Which statement does describe menaquinones
A form of vitamin K synthesized by bacteria and found in fish oils form of vitamin K typically used in supplements is a form of vitamin K found in meats
Why does long-term use of antibiotics increase the risk of vitamin K deficiency
Antibiotics change the bacterial flora in the gut decreasing vitamin K production
Vitamin K is needed to produce prothrombin what is the this proteins function
Eblood clotting
Premature babies are born with low levels of fat soluble vitamins how does this put them at risk for hemoltic anaemia
Due to low levels of vitamin D in the cell membrane of the red blood cell ruptured
In what units is the recommended intake of vitamin E expressed
Mg alpha tocopherol
What is the role of vitamin E
Protect membranes maintains the integrity of red blood cells protects against some environmental pollutants
As the intake of poly unsaturated fats increase how is the need for vitamin E affected
It increases
Which of the following foods are considered a good source of vitamin E
Peanuts soy bean oil whole grains
What is vitamin E’s primary function in the body
Reduction of oxidative stress
Why are you vitamin D supplements recommended for breast-fed babies
Sbreast milk contains low levels of vitamin D
What is caused by vitamin C toxicity
Tit can because by over supplementation or consumption of fortified foods the results in a disposition of calcium in soft tissues it causes cardiovascular damage
Which group is at most risk for vitamin D deficiency
Elderly
Which of the following increases the risk of vitamin C deficiency
Fincrease skin pigmentation low milk consumption and less times but the sun
Which is the vitamin D deficiency decrease in adults which is characterized by bone and muscle pain
Osteomalacia
Syndrome characterized by bone day formation in children and caused by vitamin D deficiency
Rickets
What is a direct action of vitamin D
Tincreasing the expression of genes that produce intestinal calcium transport proteins promoting the breakdown about his shoes to release calcium into the bone increasing the retention calcium by the kidneys
Statements regarding vitamin D include
The ability to synthesize vitamin D in the skin decreases with age vitamin D you deserve deficiency is commonly in adult with kidney failure too much vitamin D can cause elevated blood calcium levels
What compound forms when sunlight ask at seven deHydro cholesterol
Cholecalciferol
Look up the following steps of the visual cycle
RI you
Vitamin a toxicity occurs most frequently when large amounts of what product is consumed
Tvitamin a supplements
What best explains why Canadians have a low vitamin a intake
People tend to choose diets which contain low amounts of vitamin A
Which mineral is needed for proper vitamin a transport and metabolism
zinc
What is the purpose of retinal activity equivalence
To provide a factor of converting a quality of carotenoids to equivalent amount of vitamin
Which statement best distinguishes between wrecked annoyed and carotenoids
Retinoids are found in animal products such as milk and eggs while Carotenoids are found in green and orange vegetables
Xerophthalmia occurs when vitamin a is deficient in the diet what the part of the body is affected
Eyes
Which of the following transports vitamin a from the liver to tissues
Retinal binding protein
Beta-carotene is found in which foods
Yellow squash spinach yellow apples
Vitamin K deficiency’s, only result in which of the following
Abnormal blood coagulation’s
What is required for fat soluble vitamins to be absorbed
Tbile and dietary fat
Which of the fat-soluble vitamins can be synthesized by bacteria in the intestines
Vitamin K
Which form of vitamin A has the greatest impact on cell differentiation
Retinoic acid
