Chapter 11 review Nutritional Sciences
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Fat soluble vitamins are typically absorbed in the small intestine and require the presence of other lipids as well as the action of bile T/F
The dietitian notices that the anorexic patient in room 302 has rough, bumpy, irritated skin. What vitamin defiency does he/she suspect?
Cholecalciferol is found in plant foods T/F
Which vitamins contribute to bone health?
What is inadequate bone mineralization in kids called?
In addition to nuts and seeds, which of the foods listed below is an especially abundant source of Vitamin E?
WHy do the side effects of chemotherapy such as loos of apetite, poor nutrient absorbtion, and weight loss occur?
a)Because Chemotherapy kills non-cancerous cells as well
b)because chemotherapy interferes with the CNS's ability to communicate with other cells
c)Because a side effect of Chemo is depression
Scientists think that the health promoting effects of some of the carotenoids are due to their_____.
a)function as free radicals
b)ability to stimulate the immune system
Cancer is a condition caused by unregulated cell division T/F?
In cancer treatment, what is chemotherapy intended to do?
a)stop further cell division
b)damage or kill cancer cells
c)render the cancer cells harmless
What metabolite is used to synthesize Vitamin D when human skin is exposed to UV light?
Phylloquinone and menaquinone are forms of ____.
b) vitamin D
c) Vitamin E
d) vitamin K
In its function as a coenzyme in a variety of carboxylation reactions, what does vitamin K add to its molecules?
The difference between osteomalacia and osteoporosis is that osteomalacia is_____ while osteoporosis is ______.
a)Demineralization of bone, inadequate bone mineralization
b)prevalent in children, prevalent in adults
c)inadequate bone mineralization, demineralization of bone
d)prevalent in adults, prevalent in children
What is the process of programmed cell death called?
What can result from too little vitamin E?
b)excessive calcium loss
Studies show that even small amounts of alcohol consumption can increase risk for what types of cancer?
The active form of Vitamin D is formed from cholecalciferol by the action of first the _______ and then the _____.
a)stomach, large intestine
b)small intestine, liver
In addition to proteins and DNA, what else to carotenoids protect from free radical damages?
Which condition is most likely to negatively impact ones ability to get adequate vitamin D?
a)living in southern climates
c)having fair skin
ALcohol consumption over 1-2 drinks/day decreases risk of some cancers T/F
A low-fat diet increases Vitamin A and carotenoid absorbtion(and thus bioavailability) because the body is unable to form micelles T/F?
a)retinyl,retinal acid, retinin
b)retinase,retinin acid, retyne
c)retinol, retinoic acid,retinal
Which of the following is a good source of preformed Vitamin A?
a)canteloupe and carrots
b)whole-fat dairy products
Being physically active can decrease the risk for__ cancer, and perhaps breast (postmenopausal) cancer, and uterine cancer.
Mrs Greenwood has brought her 13 month old daughter to see the dietitian. Her daughters skin has an orange tint. While taking a diet history, what suspect foods will her dietitian focus on?
a)carrots, tomatoes, canteloupe, egg yolks
b)whole milk, cheese, high fat snacks
c)foods low in fat and fiber
Which vitamins are considered the "antioxidant" vitamins?
a)C and E
b)A and folate
c)D and K
Researchers estimate that what percentage of all cancer cases are caused by non-modifiable risk factors?
Xerophthalamia can lead to blindness and is due to a defiency of vitamin:
Following absorbtion, fat soluble vitamins are initially circulated in the _____ via ____.
b)lymph, transport proteins
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