HMGT 2460 UNIT 3 EXAM QUESTIONS WITH VERIFIED
ANSWERS
Vitamin C is best known for its role in preventing scurvy. It also is critical in the
formation and maintenance of this protein found in all connective tissues in our body. -
Answers - Collagen
The main function of Vitamin E is as an antioxidant. It is prevalent in our fat tissue
(adipose tissue) and cell membranes and specifically protects this lipoprotein from being
oxidized. - Answers - LDL
Phytochemicals are naturally occurring plant compounds with health promoting
properties. Beta-carotene is classified as which of the following class of
phytochemicals? - Answers - Carotenoids
Selenium is involved in the maintenance of basal metabolism and body temperature.
This trace mineral is only needed in minute amounts to maintain health. Which of the
following are good sources of selenium? - Answers - Organ meats
Carotenoids have several functions, such as acting as antioxidants, enhancing immune
function, protecting the skin from UV rays, and protecting our eyes from oxidative
damage. What is another function of carotenoids? - Answers - Can reduce the risk of
some cancers
A Selenium deficiency can cause a heart disorder. This disorder is named after a
province in China and is called which of the following? - Answers - Keshan Disease
A symptom of toxicity when taking supplements can include flushing. Which of the
following vitamins can cause this burning and tingling sensation if taking large doses? -
Answers - Niacin
Carotenoids are absorbed better from cooked foods. How much of the Carotenoids that
we get from the foods we eat are absorbed? - Answers - 20-40%
Which antioxidant plays an important role in cell differentiation, the process by which
stem cells mature into highly specialized cells? - Answers - Vitamin A
or
Vitamin E
Since we are unable to form antioxidants, we must consume them in our diet. Which of
the following vitamins functions as an antioxidant and is critical to the formation and
maintenance of collagen? - Answers - Vitamin C
, This trace mineral is considered an antioxidant and is part of glutathione peroxidase. It
helps spare Vitamin E and prevents oxidative damage to our cell membranes. -
Answers - Selenium
This antioxidant is also a fat-soluble vitamin and is found in many foods, such as
vegetable oils, nuts, and seeds. - Answers - Vitamin E
This is a chemical reaction in which molecules of a substance are broken down into
their component atoms. During this process, atoms lose electrons. - Answers -
Oxidation
Retinol, cholecalciferol, tocopherol, and phylloquinone are all names of what? - Answers
- Fat-soluble vitamins
Oxidation occurs during metabolism and can result in the formation of which of the
following? - Answers - Free radicals
or
Provitamin
Antioxidants work by stabilizing free radicals or opposing oxidation, therefore protecting
our cells from damage. There are certain minerals that function within complex
antioxidant enzyme systems and are called what? - Answers - Prooxidant
or
Cofactor
This vitamin enables our eyes to react to changes in light and to see colors. A
deficiency can result in night blindness. - Answers - Vitamin A
Folate is required for DNA synthesis and cell division, metabolism of amino acids and
for synthesis of normal red blood cells. What is the best source of folate in the diet? -
Answers - Cooked potatoes
or
Ready-to-eat fortified cereals
Vitamin K is stored primarily in the liver and assists in the production of this protein
involved in bone remodeling. - Answers - Osteocalcin
Which plant food is a good source of Calcium? - Answers - Kale
A vitamin D deficiency causes a bone-deforming disease in children called what? -
Answers - Rickets
Which vitamin is a coenzyme for the production of proteins involved in the clotting of
blood and in bone metabolism? - Answers - Vitamin K
ANSWERS
Vitamin C is best known for its role in preventing scurvy. It also is critical in the
formation and maintenance of this protein found in all connective tissues in our body. -
Answers - Collagen
The main function of Vitamin E is as an antioxidant. It is prevalent in our fat tissue
(adipose tissue) and cell membranes and specifically protects this lipoprotein from being
oxidized. - Answers - LDL
Phytochemicals are naturally occurring plant compounds with health promoting
properties. Beta-carotene is classified as which of the following class of
phytochemicals? - Answers - Carotenoids
Selenium is involved in the maintenance of basal metabolism and body temperature.
This trace mineral is only needed in minute amounts to maintain health. Which of the
following are good sources of selenium? - Answers - Organ meats
Carotenoids have several functions, such as acting as antioxidants, enhancing immune
function, protecting the skin from UV rays, and protecting our eyes from oxidative
damage. What is another function of carotenoids? - Answers - Can reduce the risk of
some cancers
A Selenium deficiency can cause a heart disorder. This disorder is named after a
province in China and is called which of the following? - Answers - Keshan Disease
A symptom of toxicity when taking supplements can include flushing. Which of the
following vitamins can cause this burning and tingling sensation if taking large doses? -
Answers - Niacin
Carotenoids are absorbed better from cooked foods. How much of the Carotenoids that
we get from the foods we eat are absorbed? - Answers - 20-40%
Which antioxidant plays an important role in cell differentiation, the process by which
stem cells mature into highly specialized cells? - Answers - Vitamin A
or
Vitamin E
Since we are unable to form antioxidants, we must consume them in our diet. Which of
the following vitamins functions as an antioxidant and is critical to the formation and
maintenance of collagen? - Answers - Vitamin C
, This trace mineral is considered an antioxidant and is part of glutathione peroxidase. It
helps spare Vitamin E and prevents oxidative damage to our cell membranes. -
Answers - Selenium
This antioxidant is also a fat-soluble vitamin and is found in many foods, such as
vegetable oils, nuts, and seeds. - Answers - Vitamin E
This is a chemical reaction in which molecules of a substance are broken down into
their component atoms. During this process, atoms lose electrons. - Answers -
Oxidation
Retinol, cholecalciferol, tocopherol, and phylloquinone are all names of what? - Answers
- Fat-soluble vitamins
Oxidation occurs during metabolism and can result in the formation of which of the
following? - Answers - Free radicals
or
Provitamin
Antioxidants work by stabilizing free radicals or opposing oxidation, therefore protecting
our cells from damage. There are certain minerals that function within complex
antioxidant enzyme systems and are called what? - Answers - Prooxidant
or
Cofactor
This vitamin enables our eyes to react to changes in light and to see colors. A
deficiency can result in night blindness. - Answers - Vitamin A
Folate is required for DNA synthesis and cell division, metabolism of amino acids and
for synthesis of normal red blood cells. What is the best source of folate in the diet? -
Answers - Cooked potatoes
or
Ready-to-eat fortified cereals
Vitamin K is stored primarily in the liver and assists in the production of this protein
involved in bone remodeling. - Answers - Osteocalcin
Which plant food is a good source of Calcium? - Answers - Kale
A vitamin D deficiency causes a bone-deforming disease in children called what? -
Answers - Rickets
Which vitamin is a coenzyme for the production of proteins involved in the clotting of
blood and in bone metabolism? - Answers - Vitamin K
