WorksheetsVitamins
Total questions: 20
Worksheet time: 10mins
A deficiency of Vitamin _____ can cause rickets.
A
B12
C
D
Abuse of alcohol may lead to a severe form of thiamin deficiency called:
beriberi
Wernicke-Korsakoff syndrome
pellagra
Rickets
Among fruits and vegetable, the best sources of beta-carotene are
green or yellow, like lettuce and corn
dark green or deep orange, like broccoli and sweet potatoes
green, like lettuce, peas and snap beans
brightly colored like tomatoes and lemons
Among the following, the best food sources for the water-soluble vitamins are
butter and vegetable oils
oranges and cereals
sugar and cornstarch
egg yolks and apples
An important role of vitamin B12 is to assist folate in
cell division
conversion of tryptophan to niacin
release of energy from food
regulation of the body's use of calcium and phosporous
Excessive vitamin A during pregnancy poses a teratogenic risk. This means that
It can increase the risk of birth defects
It can build up in the blood and cause cacification of soft tissues
It can result in a low-birth weight infant
It can increase the risk of infectious disease.
It is not absolutely necessary to consume the fat-soluble vitamins every day because they
would just be excreted from the body
are only absorbed in limited amounts
can be stored in the body for future use
would reach toxic amounts in the body
Many of the symptoms of Vitamin C deficiency, such as dry scaly skin and failure of wounds to heal, are related to the role of Vitamin C in the synthesis of
calcium and iron
thyroxine
collagen
adrenal hormones
Osteomalacia is mainly due to a deficiency of
Vitamin A
Vitamin D
parathormone
calcitonin
Overconsumption of the water-soluble vitamins will likely result in
a reserve supply which will aid in the prevention of colds and infections
no apparent change because they are stored in adipose tissues
no apparent change because they are excreted
toxic accumulation in the liver
Riboflavin is used by the body to
facilitate energy metabolism
prevent the disease pellagra
provide material for red blood cells
maintain epithelial tissue
Phytochemicals
are essential nutrients
are bioactive compounds found in foods
have no biological activity in the body
are nonessential nutrients
The absorption of iron from iron-containing foods can double or triple when eaten at the same meal with foods containing
folate
protein
vitamin C
calcium
The major role of vitamin E in the body seems to be to
aid in normal blood clotting
act as an antioxidant
aid protein metabolism
prevent skin cancer
The most well known role of vitamin B6 is in relation to
carbohydrate and lactose metabolism
fat metabolism
protein and amino acid metabolism
mineral metabolism
The rate and extent to which a vitamin is absorbed and used by the body is called
vitamin efficiency
bioavailability
fortification
vitamin equivalency
Thiamin is involved in
formation of red blood cells
blood coagulation
collagen formation
energy metabolism
Vitamin A toxicity is likely to result from
consuming too many dark green and deep orange vegetables
Overconsumption of whole grains
consuming large amounts of fortified foods or Vitamin A supplements
drinking too much orange juice
What vitamin deficiency causes pernicious anemia?
Vitamin B6
Vitamin B12
thiamin
niacin
Which vitamin is synthesized in the intestine by bacteria?
Vitamin A
Vitamin C
Vitamin D
Vitamin K
