Question : 51.What true about the absorption and storage of fat-soluble versus : 1357153

51.What is true about the absorption and storage of fat-soluble versus water-soluble vitamins in the body?

a.Water-soluble vitamins can build to toxic levels because they circulate in the bloodstream.

b.Fat-soluble vitamins are stored in the liver and fatty tissues until the body needs them.

c.The body can survive for weeks without replacing water-soluble vitamins.

d.Fat-soluble vitamins are absorbed directly into the bloodstream.

52.You would tell a person who did not meet his recommended intakes for the fat-soluble vitamins on one day to:

a.increase his consumption of foods rich in fat-soluble vitamins.

b.supplement his diet with a vitamin-mineral supplement.

c.not be concerned as long as his diet as a whole provides average amounts that approximate the recommended intakes.

d.try to consume more fats and oils to get the needed nutrients.

53.You advise your grandmother against using mineral oil as a laxative because:

a.the body cannot absorb it.

b.it may result in loss of the fat-soluble vitamins through excretion.

c.it may lead to toxic levels of the fat-soluble vitamins.

d.it is not an effective laxative.

54.The statement, “Eat carrots because they are good for your eyes,” is correct because:

a.protein in carrots is important for the development of keratin, which forms the retina.

b.the vitamin A precursor in carrots becomes activated to form rhodopsin in the eye.

c.retinol in carrots will be transported to the eyes to prevent infections.

d.beta-carotene is stored in the eyes to be used for night vision.

55.A girl has stopped growing in height prematurely because her bones are not going through the remodeling process necessary for growth. This most likely results from a deficiency of which vitamin?

a.vitamin A

b.vitamin D

c.vitamin E

d.vitamin K

56.All of the following statements about vitamin A supplements and fortified foods are true except:

a.rates of blindness and death have declined in countries where children receive vitamin A supplementation.

b.excesses of vitamin A may lead to weakened bones and hip fractures later in life.

c.although some foods have been fortified with vitamin A, the amounts are not high enough to be a toxicity concern.

d.excessive vitamin A intake during pregnancy can lead to birth defects.

57.You eat frequently at fast-food restaurants. In order to improve the nutritional quality and vitamin A content of a typical fast-food meal you would:

a.order a salad with cheese and carrots.

b.order a large serving of fries.

c.drink apple or orange juice.

d.order a cheeseburger.

58.A young woman on a vegetarian diet has decided to increase her intake of raw bright-colored vegetables and has recently noticed that her skin is turning a bright yellow color. This is most likely a result of over-consumption of:

a.vitamin C.

b.folate.

c.beta-carotene.

d.biotin.

59.Who would be at the greatest risk of developing osteomalacia?

a.obese men who are institutionalized

b.children breastfed for an exceptionally long time

c.children with little exposure to the sun

d.men with low calcium intakes

60.You have a friend who has very little exposure to the sun and she consumes very few dairy foods. In addition, she has a 2-year-old child and 3-month-old twins. Your friend is at very high risk for developing:

a.pellagra.

b.rickets.

c.beriberi.

d.osteomalacia.