Question 1

Who discovered vitamin E?

Accepted Answer

A) Evans and Bishop 
B) McCollum and Davis 
C) Mellanby and Hopkins 
D) Simon and Garfunkel 
A) Evans and Bishop 
B) McCollum and Davis 
C) Mellanby and Hopkins 
D) Simon and Garfunkel

Question 2

Absorption of vitamins A,D,E,and K is closely associated with the absorption and transport of ingested proteins.

Accepted Answer

A) True 
 B)False

Question 3

Nausea,vomiting,double or blurred vision,headaches,vertigo,and muscle incoordination are some of the symptoms of ____.

Accepted Answer

A) hypervitaminosis A 
B) hypervitaminosis D 
C) hypervitaminosis K 
D) hypovitaminosis A 
A) hypervitaminosis A 
B) hypervitaminosis D 
C) hypervitaminosis K 
D) hypovitaminosis A

Question 4

Which is NOT related to the functions of vitamin A?

Accepted Answer

A) neurological function 
B) growth 
C) immunity 
D) cell differentiation 
A) neurological function 
B) growth 
C) immunity 
D) cell differentiation

Question 5

How does alpha-tocopherol differ from beta-tocopherol?

Accepted Answer

A) saturation of side chain 
B) number and location of methyl groups 
C) source in the diet 
D) ionic versus covalent bonding 
A) saturation of side chain 
B) number and location of methyl groups 
C) source in the diet 
D) ionic versus covalent bonding

Question 6

All three forms of vitamin A (retinol,retinal,and retinoic acid)are stored in the liver as retinyl esters.

Accepted Answer

A) True 
 B)False

Question 7

The RDA for vitamin D for people over the age of 70 is how many times greater than that for adolescents?

Accepted Answer

A) 2.0 
B) 1.33 
C) equal 
D) 0.75 
A) 2.0 
B) 1.33 
C) equal 
D) 0.75

Question 8

Many anticoagulants inhibit the vitamin K cycle,thereby preventing activation of clotting proteins.

Accepted Answer

A) True 
 B)False

Question 9

Why are vitamins A and E said to be antagonists of vitamin K?

Accepted Answer

​Grading rubric - answer should include

Question 10

Structurally,vitamin D is derived from ____.

Accepted Answer

A) a steroid 
B) an amino acid 
C) a fatty acid 
D) calcium 
A) a steroid 
B) an amino acid 
C) a fatty acid 
D) calcium

Question 11

Match each vitamer with its function.
-alpha-tocopherol

Accepted Answer

A) interacts with nuclear VDR to increase calbindin 
B) required for carboxylation of glutamic acid 
C) needed for binding with opsin in the photoreceptor rod cells 
D) transported into nucleus to affect gene transcription of keratin proteins 
E) donates hydrogens to terminate propagation of membrane lipid peroxidation chain reactions 
A) interacts with nuclear VDR to increase calbindin 
B) required for carboxylation of glutamic acid 
C) needed for binding with opsin in the photoreceptor rod cells 
D) transported into nucleus to affect gene transcription of keratin proteins 
E) donates hydrogens to terminate propagation of membrane lipid peroxidation chain reactions

Question 12

Dietary cholecalciferol must be further hydroxylated in order to be active vitamin D.The first hydroxylation occurs in the ____ to produce ____.

Accepted Answer

A) liver; 25-hydroxycholecalciferol 
B) kidney; 25-hydroxycholecalciferol 
C) skin; 7-dehydrocholesterol 
D) kidney; 1-hydrocholesterol 
A) liver; 25-hydroxycholecalciferol 
B) kidney; 25-hydroxycholecalciferol 
C) skin; 7-dehydrocholesterol 
D) kidney; 1-hydrocholesterol

Question 13

Vitamin A will work in conjunction with which vitamin to help protect cells from singlet oxygen?

Accepted Answer

A) niacin 
B) thiamin 
C) pantothenic acid 
D) ascorbic acid 
A) niacin 
B) thiamin 
C) pantothenic acid 
D) ascorbic acid

Question 14

Which is the strongest antioxidant?

Accepted Answer

A) beta-carotene 
B) alpha-tocopherol 
C) beta-cryptoxanthin 
D) lycopene 
A) beta-carotene 
B) alpha-tocopherol 
C) beta-cryptoxanthin 
D) lycopene

Question 15

Choose the correct order of the phrases below to explain the response of the body to a decline in serum calcium levels.Choose the BEST answer.
1)increased release of PTH
2)decreased release of PTH
3)increased synthesis of calbindin
4)increased synthesis of 1,25-(OH)₂ D₃
5)increased bone absorption
6)increased calcium absorption
7)decreased bone resorption
8)increased calcium excretion
9)increased bone resorption

Accepted Answer

A) 1, 5, 4, 8 
B) 1, 3, 5, 9 
C) 2, 3, 9, 6 
D) 1, 4, 3, 6 
A) 1, 5, 4, 8 
B) 1, 3, 5, 9 
C) 2, 3, 9, 6 
D) 1, 4, 3, 6

Question 16

​Instructions: Use the molecules below to answer the next three questions.

Accepted Answer

A)   
B)   
C)   
D)  
-Which molecule is retinyl palmitate? 
A) A 
B) B 
C) C 
D) D 
A)   
B)   
C)   
D)  
-Which molecule is retinyl palmitate? 
A) A 
B) B 
C) C 
D) D

Question 17

Calcitroic acid and vitamin D metabolites are excreted primarily through ____.

Accepted Answer

A) urine 
B) sweat 
C) urine and sweat combined 
D) feces 
A) urine 
B) sweat 
C) urine and sweat combined 
D) feces

Question 18

In order to be carried in the chylomicron,retinol (once in the enterocyte)is _____.

Accepted Answer

A) esterified by lecithin retinol acyl transferase 
B) converted to retinaldehyde by retinaldehyde reductase 
C) attached to a VLDL 
D) attached to an RXR receptor on the nucleus 
A) esterified by lecithin retinol acyl transferase 
B) converted to retinaldehyde by retinaldehyde reductase 
C) attached to a VLDL 
D) attached to an RXR receptor on the nucleus

Question 19

Production of active vitamin D requires skin,sunlight,cholesterol,the liver,and the kidneys.

Accepted Answer

A) True 
 B)False

Question 20

Which of the fat-soluble vitamins is consumed in the form of phylloquinone from plant foods?

Accepted Answer

A) A 
B) D 
C) E 
D) K 
A) A 
B) D 
C) E 
D) K

Who discovered vitamin E?

Absorption of vitamins A,D,E,and K is closely associated with the absorption and transport of ingested proteins.

Nausea,vomiting,double or blurred vision,headaches,vertigo,and muscle incoordination are some of the symptoms of ____.

Which is NOT related to the functions of vitamin A?

How does alpha-tocopherol differ from beta-tocopherol?

All three forms of vitamin A (retinol,retinal,and retinoic acid)are stored in the liver as retinyl esters.

The RDA for vitamin D for people over the age of 70 is how many times greater than that for adolescents?

Many anticoagulants inhibit the vitamin K cycle,thereby preventing activation of clotting proteins.

Why are vitamins A and E said to be antagonists of vitamin K?

Structurally,vitamin D is derived from ____.

Match each vitamer with its function. -alpha-tocopherol

Dietary cholecalciferol must be further hydroxylated in order to be active vitamin D.The first hydroxylation occurs in the to produce .

Vitamin A will work in conjunction with which vitamin to help protect cells from singlet oxygen?

Which is the strongest antioxidant?

Instructions: Use the molecules below to answer the next three questions. A) B) C) D) -Which molecule is retinyl palmitate?

Calcitroic acid and vitamin D metabolites are excreted primarily through ____.

In order to be carried in the chylomicron,retinol (once in the enterocyte)is _____.

Production of active vitamin D requires skin,sunlight,cholesterol,the liver,and the kidneys.

Which of the fat-soluble vitamins is consumed in the form of phylloquinone from plant foods?

The Cell: A Microcosm of Life

The Digestive System: Mechanism for Nourishing the Body

Carbohydrates

Fiber

Lipids

Protein

Integration and Regulation of Metabolism and the Impact of Exercise

Energy Expenditure, Body Composition, and Healthy Weight

Water-Soluble Vitamins

Major Minerals

Water and Electrolytes

Essential Trace and Ultratrace Minerals

Nonessential Trace and Ultratrace Minerals

Filters

Exam 10: Fat-Soluble Vitamins

Who discovered vitamin E?

Absorption of vitamins A,D,E,and K is closely associated with the absorption and transport of ingested proteins.

Nausea,vomiting,double or blurred vision,headaches,vertigo,and muscle incoordination are some of the symptoms of ____.

Which is NOT related to the functions of vitamin A?

How does alpha-tocopherol differ from beta-tocopherol?

All three forms of vitamin A (retinol,retinal,and retinoic acid)are stored in the liver as retinyl esters.

The RDA for vitamin D for people over the age of 70 is how many times greater than that for adolescents?

Many anticoagulants inhibit the vitamin K cycle,thereby preventing activation of clotting proteins.

Why are vitamins A and E said to be antagonists of vitamin K?

Structurally,vitamin D is derived from ____.

Match each vitamer with its function. -alpha-tocopherol

Dietary cholecalciferol must be further hydroxylated in order to be active vitamin D.The first hydroxylation occurs in the ____ to produce ____.

Vitamin A will work in conjunction with which vitamin to help protect cells from singlet oxygen?

Which is the strongest antioxidant?

​Instructions: Use the molecules below to answer the next three questions. A) B) C) D) -Which molecule is retinyl palmitate?

Calcitroic acid and vitamin D metabolites are excreted primarily through ____.

In order to be carried in the chylomicron,retinol (once in the enterocyte)is _____.

Production of active vitamin D requires skin,sunlight,cholesterol,the liver,and the kidneys.

Which of the fat-soluble vitamins is consumed in the form of phylloquinone from plant foods?

The Cell: A Microcosm of Life

The Digestive System: Mechanism for Nourishing the Body

Carbohydrates

Fiber

Lipids

Protein

Integration and Regulation of Metabolism and the Impact of Exercise

Energy Expenditure, Body Composition, and Healthy Weight

Water-Soluble Vitamins

Major Minerals

Water and Electrolytes

Essential Trace and Ultratrace Minerals

Nonessential Trace and Ultratrace Minerals

Filters

Dietary cholecalciferol must be further hydroxylated in order to be active vitamin D.The first hydroxylation occurs in the to produce .

Instructions: Use the molecules below to answer the next three questions. A) B) C) D) -Which molecule is retinyl palmitate?