2024 NUTRITION CH 11 LATEST EXAM WITH
QUESTIONS & VERIFIED ANSWERS|2024
NUTRITION CH 11 LATEST EXAM WITH
QUESTIONS & VERIFIED ANSWERS BEST FOR
PRACTICE (NEW!!)
Which of the following is a feature of vitamin K?
a. It participates in synthesis of bone proteins
b. Large amounts can be stored in adipose tissue
c. Good food sources are legumes and raw fruits
d. Intestinal bacterial synthesis provides over 90% of the body's need for most people
✔✔ANSWER It participates in synthesis of bone proteins
Which of the following is a feature of vitamin K?
a. A deficiency increases the risk for hemophilia
b. A deficiency leads to keratinization of the cornea
c. Bacteria in the intestines synthesize bioavailable vitamin K
d. There are multiple forms in the diet of which menadione is the naturally occurring
form ✔✔ANSWER Bacteria in the intestines synthesize bioavailable vitamin K
Which of the following is a feature of osteocalcin?
a. It activates lysosomes involved in remodeling bone
b. It binds calcium in the GI tract to enhance absorption
c. It requires vitamin K to bind to bone-forming minerals
d. It works synergistically with the kidneys to reduce urinary calcium excretion
✔✔ANSWER It requires vitamin K to bind to bone-forming minerals
Of the following, which would most readily induce a vitamin K deficiency?
a. Achlorhydria
b. Antibiotic therapy
c. Presence of oxalic acid in food
d. Insufficient intake of green leafy vegetables ✔✔ANSWER Antibiotic therapy
Jennifer has just had a baby. When she brings Thomas home, she regales you with the
details of her hospital stay. She mentions that shortly after the birth, Thomas received
an intramuscular injection of vitamin K, and she wondered why this was done, as it
made him cry. You explained that it
a. was needed to prevent eye disease.
b. prevented possible bleeding events.
c. protected the baby from lipid oxidation.
d. was needed to promote good bone growth. ✔✔ANSWER prevented possible
bleeding events.
,All of the following are features of vitamin K in nutrition except
a. infants frequently require a supplement at birth.
b. good food sources are plants of the cabbage family.
c. risk of deficiency is increased in people taking antibiotics for prolonged periods.
d. gut microflora synthesis supplies sufficient amounts to meet the needs of most
healthy adults. ✔✔ANSWER gut microflora synthesis supplies sufficient amounts to
meet the needs of most healthy adults.
Which of the following is not among the features of the fat-soluble vitamins?
a. Require bile for absorption
b. Found in the fat and oily parts of foods
c. Transported permanently to the liver and adipose tissue
d. Pose a greater risk for developing a toxicity than water-soluble vitamins
✔✔ANSWER Transported permanently to the liver and adipose tissue
What is the major carrier of the fat-soluble vitamins from the intestinal epithelial cell to
the circulation?
a. Albumin
b. Cholesterol
c. Chylomicrons
d. Liposoluble binding proteins ✔✔ANSWER Chylomicrons
Which of the following is a property of the fat-soluble vitamins?
a. Most of them are synthesized by intestinal bacteria
b. Intestinal transport occurs by way of the portal circulation
c. Deficiency symptoms may take years to develop on a poor diet
d. Toxicity risk is higher for vitamins E and K than for other fat-soluble vitamins
✔✔ANSWER Deficiency symptoms may take years to develop on a poor diet
If the diet contains precursor vitamin A, which of the following tissues can use it to form
vitamin A?
a. Eyes
b. Kidneys
c. Adipose cells
d. Intestinal cells ✔✔ANSWER Intestinal cells
Which of the following food substances can be converted to vitamin A in the body?
a. Tryptophan
b. Chlorophyll
c. Xanthophyll
d. Beta-carotene ✔✔ANSWER Beta-carotene
How many different forms of vitamin A are active in the body?
a. 1
, b. 2
c. 3
d. 5 ✔✔ANSWER 3
All of the following are forms of vitamin A except
a. retinol.
b. retinal.
c. retinoic acid.
d. retinoquinone. ✔✔ANSWER retinoquinone.
Which of the following is responsible for transporting vitamin A from the liver to other
tissues?
a. Albumin
b. Rhodopsin
c. Retinol-binding protein
d. Transcarotenoid protein ✔✔ANSWER Retinol-binding protein
As far as is known, vitamin A does not play an important role in which of the following
processes?
a. Blood clotting
b. Growth of bones and teeth
c. Synthesis of visual pigment
d. Maintaining mucous membranes ✔✔ANSWER Blood clotting
What are the known effects of raising animals on diets containing retinoic acid as the
only source of vitamin A?
a. Growth is stunted
b. Blindness develops
c. Retinal synthesis is stimulated
d. Retinol synthesis is stimulated ✔✔ANSWER Blindness develops
Which of the following describes an association of vitamin A and vision?
a. Retinoic acid is the form required for synthesis of retinoblasts
b. Light causes retinal to shift from a cis to a trans configuration
c. Retinol is the form bound to beta-carotene in the corneal membrane
d. Pigment molecules in the retina are composed of a molecule of vitamin A bound to
an omega-3 fatty acid ✔✔ANSWER Light causes retinal to shift from a cis to a trans
configuration
Which of the following is the name of the vitamin A compound that is active in the visual
response?
a. Opsin
b. Keratin
c. Retinal
d. Carotene ✔✔ANSWER Retinal
QUESTIONS & VERIFIED ANSWERS|2024
NUTRITION CH 11 LATEST EXAM WITH
QUESTIONS & VERIFIED ANSWERS BEST FOR
PRACTICE (NEW!!)
Which of the following is a feature of vitamin K?
a. It participates in synthesis of bone proteins
b. Large amounts can be stored in adipose tissue
c. Good food sources are legumes and raw fruits
d. Intestinal bacterial synthesis provides over 90% of the body's need for most people
✔✔ANSWER It participates in synthesis of bone proteins
Which of the following is a feature of vitamin K?
a. A deficiency increases the risk for hemophilia
b. A deficiency leads to keratinization of the cornea
c. Bacteria in the intestines synthesize bioavailable vitamin K
d. There are multiple forms in the diet of which menadione is the naturally occurring
form ✔✔ANSWER Bacteria in the intestines synthesize bioavailable vitamin K
Which of the following is a feature of osteocalcin?
a. It activates lysosomes involved in remodeling bone
b. It binds calcium in the GI tract to enhance absorption
c. It requires vitamin K to bind to bone-forming minerals
d. It works synergistically with the kidneys to reduce urinary calcium excretion
✔✔ANSWER It requires vitamin K to bind to bone-forming minerals
Of the following, which would most readily induce a vitamin K deficiency?
a. Achlorhydria
b. Antibiotic therapy
c. Presence of oxalic acid in food
d. Insufficient intake of green leafy vegetables ✔✔ANSWER Antibiotic therapy
Jennifer has just had a baby. When she brings Thomas home, she regales you with the
details of her hospital stay. She mentions that shortly after the birth, Thomas received
an intramuscular injection of vitamin K, and she wondered why this was done, as it
made him cry. You explained that it
a. was needed to prevent eye disease.
b. prevented possible bleeding events.
c. protected the baby from lipid oxidation.
d. was needed to promote good bone growth. ✔✔ANSWER prevented possible
bleeding events.
,All of the following are features of vitamin K in nutrition except
a. infants frequently require a supplement at birth.
b. good food sources are plants of the cabbage family.
c. risk of deficiency is increased in people taking antibiotics for prolonged periods.
d. gut microflora synthesis supplies sufficient amounts to meet the needs of most
healthy adults. ✔✔ANSWER gut microflora synthesis supplies sufficient amounts to
meet the needs of most healthy adults.
Which of the following is not among the features of the fat-soluble vitamins?
a. Require bile for absorption
b. Found in the fat and oily parts of foods
c. Transported permanently to the liver and adipose tissue
d. Pose a greater risk for developing a toxicity than water-soluble vitamins
✔✔ANSWER Transported permanently to the liver and adipose tissue
What is the major carrier of the fat-soluble vitamins from the intestinal epithelial cell to
the circulation?
a. Albumin
b. Cholesterol
c. Chylomicrons
d. Liposoluble binding proteins ✔✔ANSWER Chylomicrons
Which of the following is a property of the fat-soluble vitamins?
a. Most of them are synthesized by intestinal bacteria
b. Intestinal transport occurs by way of the portal circulation
c. Deficiency symptoms may take years to develop on a poor diet
d. Toxicity risk is higher for vitamins E and K than for other fat-soluble vitamins
✔✔ANSWER Deficiency symptoms may take years to develop on a poor diet
If the diet contains precursor vitamin A, which of the following tissues can use it to form
vitamin A?
a. Eyes
b. Kidneys
c. Adipose cells
d. Intestinal cells ✔✔ANSWER Intestinal cells
Which of the following food substances can be converted to vitamin A in the body?
a. Tryptophan
b. Chlorophyll
c. Xanthophyll
d. Beta-carotene ✔✔ANSWER Beta-carotene
How many different forms of vitamin A are active in the body?
a. 1
, b. 2
c. 3
d. 5 ✔✔ANSWER 3
All of the following are forms of vitamin A except
a. retinol.
b. retinal.
c. retinoic acid.
d. retinoquinone. ✔✔ANSWER retinoquinone.
Which of the following is responsible for transporting vitamin A from the liver to other
tissues?
a. Albumin
b. Rhodopsin
c. Retinol-binding protein
d. Transcarotenoid protein ✔✔ANSWER Retinol-binding protein
As far as is known, vitamin A does not play an important role in which of the following
processes?
a. Blood clotting
b. Growth of bones and teeth
c. Synthesis of visual pigment
d. Maintaining mucous membranes ✔✔ANSWER Blood clotting
What are the known effects of raising animals on diets containing retinoic acid as the
only source of vitamin A?
a. Growth is stunted
b. Blindness develops
c. Retinal synthesis is stimulated
d. Retinol synthesis is stimulated ✔✔ANSWER Blindness develops
Which of the following describes an association of vitamin A and vision?
a. Retinoic acid is the form required for synthesis of retinoblasts
b. Light causes retinal to shift from a cis to a trans configuration
c. Retinol is the form bound to beta-carotene in the corneal membrane
d. Pigment molecules in the retina are composed of a molecule of vitamin A bound to
an omega-3 fatty acid ✔✔ANSWER Light causes retinal to shift from a cis to a trans
configuration
Which of the following is the name of the vitamin A compound that is active in the visual
response?
a. Opsin
b. Keratin
c. Retinal
d. Carotene ✔✔ANSWER Retinal
