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Fat Soluble Vitamins Overview
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Fat Soluble Vitamins Overview
Fat Soluble Vitamins Overview
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1
Question
what type of B vitamin is most sensitive to light?
Answer
B2 (riboflavin)
2
Question
extended use of antibiotics can reduced which vitamin?
Answer
vitamin K (made in the gut)
3
Question
antioxidants fight
Answer
free radicals
4
Question
four antioxidants
Answer
vitamin A, E, C, and selenium
5
Question
B12 requires what to work
Answer
intrinsic factor
6
Question
2nd largest contributor of energy expenditure
Answer
"Physical activity" is typically the second largest contributor to energy expenditure after basal metabolic rate (BMR) which means body at rest
7
Question
first largest mineral in the body
Answer
calcium
8
Question
major mineral that is a buffer found in bone and cell membranes
Answer
phosphorus
9
Question
three electrolytes
Answer
sodium, potassium, chloride
10
Question
what type of obesity is particularly hazardous to health
Answer
central obesity
11
Question
what raises the risks of developing chronic diseases and many other illnesses?
Answer
obesity
12
Question
what hormone increases appetite
Answer
Ghrelin, a hormone produced by your stomach
13
Question
what type of body has more visceral fat?
Answer
apple shape
14
Question
whats the greatest factor of BMR?
Answer
expidenture of energy
15
Question
what hormone controls metabolism?
Answer
Thyroxine, also known as T4, is a hormone produced by the thyroid gland
16
Question
What are fat-soluble vitamins?
Answer
Fat-soluble vitamins are A, D, E, and K, which are essential, noncaloric, organic nutrients needed in tiny amounts in the diet.
17
Question
What are vitamin precursors?
Answer
Vitamin precursors are compounds found in foods that can be converted into active vitamins.
18
Question
How are fat-soluble vitamins absorbed?
Answer
Fat-soluble vitamins are absorbed like fats by bile, first into the lymph and then into the blood.
19
Question
How are fat-soluble vitamins transported and stored?
Answer
Fat-soluble vitamins travel with protein carriers in watery body fluids and are stored in the liver or fatty tissues.
20
Question
How are fat-soluble vitamins excreted?
Answer
Fat-soluble vitamins are not readily excreted and tend to build up in the tissues.
21
Question
What risks are associated with fat-soluble vitamin toxicity?
Answer
Toxicities are likely from supplements but occur rarely from food.
22
Question
What is the requirement for fat-soluble vitamins?
Answer
Fat-soluble vitamins are needed in periodic doses, weekly or even monthly, depending on the extent of the body's stores.
23
Question
What food sources contain fat-soluble vitamins?
Answer
Fat-soluble vitamins are found in the fats and oils of foods.
24
Question
What should be noted about excess Vitamin A?
Answer
Excess Vitamin A is especially known to reach toxic levels.
25
Question
What are the consequences of Vitamin A deficiency?
Answer
Deficiencies occur when the diet is consistently low in these vitamins and are likely when dietary patterns are extraordinarily low in fats.
26
Question
What can happen when someone uses mineral oil as a laxative?
Answer
Mineral oil cannot be absorbed by the body and is excreted instead, contributing to Vitamin A deficiency.
27
Question
What diseases can prevent bile absorption leading to vitamin deficiencies?
Answer
Any disease that causes malabsorption, such as liver disease, can prevent bile absorption.
28
Question
What are the roles of Vitamin A?
Answer
Vitamin A directs cell conversion, signals cells what to release and store, and helps regulate the production of enzymes and other proteins.
29
Question
What is a precursor of Vitamin A?
Answer
Beta-carotene is a plant-derived precursor of Vitamin A.
30
Question
What are the active forms of Vitamin A?
Answer
The active forms of Vitamin A include retinol, retinal, and retinoic acid.