Ch 9 Fat Soluble Flashcards
Vitamins A, D, E, and K require __ and ___ for absorption
Bile
Dietary fat
___ are chemical forms of preformed vit A
Retinoids
___ is a provitamin converted into vit A
Beta-carotene
__ is a condition ccaused by vit A deficiency that can lead to permanent blindness
Xerophthalmia
Vit d is inactive until modified in the __ and __
Liver
Kidneys
Low blood calcium stimulates __ release which stimulates vit D activation
PTH [parathyroid hormone]
Vit d turns on genes for __ absorption in the intestine
Calcium
__ in children and __ in adults can result from vit d deficiency
Rickets
Osteomalacia
Vit E is also called __
Tocopherol
___ is the form of vit E absorbed by the human body
Alpha-tocopherol
A vit E dificiency in newbords might result in ___ anemia
Hemolytic
Vit k is named for ___ , the danish word for coagulation
Koagulation
Abnormal blood coagulation is a major symptom of __ deficiency
Vit k
Vit k functions include production of ___ factors
Clotting
Vit a and d have functions that regulate __
Gene expression
Which of the following is NOT a fat-soluble vitamin?
2.
a) Vitamin A
3.
b) Vitamin C
4.
c) Vitamin D
5.
d) Vitamin E
C
What is the primary function of Vitamin D?
8.
a) Vision
9.
b) Blood clotting
10.
c) Calcium absorption
11.
d) Antioxidant
C
Which vitamin is essential for the synthesis of blood-clotting proteins?
14.
a) Vitamin A
15.
b) Vitamin D
16.
c) Vitamin E
17.
d) Vitamin K
D
What is a good source of retinoids?
a) Carrots
b) Leafy Greens
c) Liver
C
What can excess beta-carotene cause?
26.
a) Xerophthalmia
27.
b) Hemolytic Anemia
28.
c) Hypercarotenemia
C
Which vitamin is known as the “sunshine vitamin” because it can be made in the skin with exposure to UV light?
32.
a) Vitamin A
33.
b) Vitamin D
34.
c) Vitamin E
B
What is the RDA for Vitamin E for adults?
38.
a) 15 mg alpha-tocopherol/day
39.
b) 700 micrograms/day
40.
c) 900 micrograms/d
A
Which vitamin deficiency can result in night blindness?
44.
a) Vitamin A
45.
b) Vitamin D
46.
c) Vitamin E
47.
d) Vitamin K
A
Which vitamin has antioxidant properties and protects cell membranes?
50.
a) Vitamin A
51.
b) Vitamin D
52.
c) Vitamin E
C