ANS 319 Exam 4 2025/2026 Exam
Questions and Correct Answers | New
Update
What is the history of vitamins? - 🧠ANSWER ✔✔Purified diets of CHO,
protein, fat, minerals, and water were not capable of normal growth
Casimir Funk found vitamins
What are the general functions of vitamins? - 🧠ANSWER ✔✔Nurture
growth, repro, maintain life
Prevent deficiency diseases
Help enzymes release energy
Do NOT provide energy alone
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
,How are vitamins classified? - 🧠ANSWER ✔✔Chemically and biologically
diverse
- water soluble VS fat soluble
Not metabolic fuels or structural nutrients
- most are catalysts or cofactors of metabolism and other nutrients
What are the fat-soluble vitamins? - 🧠ANSWER ✔✔A, D2, D3, E, K
Vitamin A? (name) - 🧠ANSWER ✔✔Retinol
Retinol? - 🧠ANSWER ✔✔Vitamin A
Vitamin D2? (name) - 🧠ANSWER ✔✔Ergocalciferol
Ergocalciferol? - 🧠ANSWER ✔✔Vitamin D2
Vitamin D3? (name) - 🧠ANSWER ✔✔Cholecalciferol
Produced photochemically by the action of light from precursor sterol 7-
dehydrocholesterol
Cholecalciferol? - 🧠ANSWER ✔✔Vitamin D3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
,Vitamin E? (name) - 🧠ANSWER ✔✔Tocopherol
Tocopherol? - 🧠ANSWER ✔✔Vitamin E
Vitamin K? (name) - 🧠ANSWER ✔✔Phylloquinone
Phylloquinone? - 🧠ANSWER ✔✔Vitamin K
What are the water-soluble vitamins? - 🧠ANSWER ✔✔B
- B1(thiamin), B2(riboflavin, niacin), B6, B12(cyanocobalamin)
C (ascorbic acid)
Are vitamins essential? - 🧠ANSWER ✔✔All vitamins are metabolically
essential but not all vitamins are necessarily required in the diet, depending
on the diet and the vitamin concerned
EX:
- mammals, excluding primates, can synthesize V. C from glucose
- ruminants get V. B from microbes
What are the different types of soluble vitamins? - 🧠ANSWER ✔✔Fat
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 3
STATEMENT. ALL RIGHTS RESERVED
, Water
Fat-Soluble Vitamins? - 🧠ANSWER ✔✔Absorbed with dietary fat across SI
40-90% absorption efficiency
Absorption typically regulated by need (increase need -> increase
absorption rate)
Transported away from SI in chylomicron via lymph
Liver either stores vitamins or repackages it for delivery to other cells
- excess accumulate in liver and adipose tissue
- toxicities can occur
Water-Soluble Vitamins? - 🧠ANSWER ✔✔Absorbed in the SI
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 4
STATEMENT. ALL RIGHTS RESERVED
Questions and Correct Answers | New
Update
What is the history of vitamins? - 🧠ANSWER ✔✔Purified diets of CHO,
protein, fat, minerals, and water were not capable of normal growth
Casimir Funk found vitamins
What are the general functions of vitamins? - 🧠ANSWER ✔✔Nurture
growth, repro, maintain life
Prevent deficiency diseases
Help enzymes release energy
Do NOT provide energy alone
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
,How are vitamins classified? - 🧠ANSWER ✔✔Chemically and biologically
diverse
- water soluble VS fat soluble
Not metabolic fuels or structural nutrients
- most are catalysts or cofactors of metabolism and other nutrients
What are the fat-soluble vitamins? - 🧠ANSWER ✔✔A, D2, D3, E, K
Vitamin A? (name) - 🧠ANSWER ✔✔Retinol
Retinol? - 🧠ANSWER ✔✔Vitamin A
Vitamin D2? (name) - 🧠ANSWER ✔✔Ergocalciferol
Ergocalciferol? - 🧠ANSWER ✔✔Vitamin D2
Vitamin D3? (name) - 🧠ANSWER ✔✔Cholecalciferol
Produced photochemically by the action of light from precursor sterol 7-
dehydrocholesterol
Cholecalciferol? - 🧠ANSWER ✔✔Vitamin D3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
,Vitamin E? (name) - 🧠ANSWER ✔✔Tocopherol
Tocopherol? - 🧠ANSWER ✔✔Vitamin E
Vitamin K? (name) - 🧠ANSWER ✔✔Phylloquinone
Phylloquinone? - 🧠ANSWER ✔✔Vitamin K
What are the water-soluble vitamins? - 🧠ANSWER ✔✔B
- B1(thiamin), B2(riboflavin, niacin), B6, B12(cyanocobalamin)
C (ascorbic acid)
Are vitamins essential? - 🧠ANSWER ✔✔All vitamins are metabolically
essential but not all vitamins are necessarily required in the diet, depending
on the diet and the vitamin concerned
EX:
- mammals, excluding primates, can synthesize V. C from glucose
- ruminants get V. B from microbes
What are the different types of soluble vitamins? - 🧠ANSWER ✔✔Fat
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 3
STATEMENT. ALL RIGHTS RESERVED
, Water
Fat-Soluble Vitamins? - 🧠ANSWER ✔✔Absorbed with dietary fat across SI
40-90% absorption efficiency
Absorption typically regulated by need (increase need -> increase
absorption rate)
Transported away from SI in chylomicron via lymph
Liver either stores vitamins or repackages it for delivery to other cells
- excess accumulate in liver and adipose tissue
- toxicities can occur
Water-Soluble Vitamins? - 🧠ANSWER ✔✔Absorbed in the SI
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 4
STATEMENT. ALL RIGHTS RESERVED
