NMDF121_Week7_WaterSolubleVitamins_Full40_Flashcards

Question 1

Main function of Vitamin B5?

Answer 1

Component of Coenzyme A (CoA) for energy production

Question 2

Rich food sources of B5?

Answer 2

Avocado, wholegrains, legumes, broccoli, molasses, yoghurt, eggs

Question 3

Deficiency symptoms of B5?

Answer 3

Burning feet syndrome, depression, poor digestion

Question 4

Is B5 deficiency common?

Answer 4

No, very rare due to widespread food availability

Question 5

Main function of Biotin?

Answer 5

Coenzyme in TCA cycle, gluconeogenesis, lipogenesis, amino acid metabolism

Question 6

Major food sources of Biotin?

Answer 6

Peanuts, leafy greens, Swiss chard, liver, egg yolk

Question 7

Cause of Biotin deficiency?

Answer 7

Raw egg white consumption (avidin binds biotin)

Question 8

Deficiency symptoms of Biotin?

Answer 8

Dermatitis, brittle nails, hair thinning, depression

Question 9

Main roles of Choline?

Answer 9

Component of acetylcholine, lecithin, supports brain and liver health

Question 10

Major food sources of Choline?

Answer 10

Egg yolk, liver, meat, full-fat dairy, peanuts

Question 11

Signs of Choline deficiency?

Answer 11

Liver damage, muscle damage

Question 12

Primary role of Inositol?

Answer 12

Supports cell membrane structure and glucose transport

Question 13

Sources of Inositol?

Answer 13

Rockmelon, fruits, whole grains, seeds, nuts

Question 14

Therapeutic uses of Inositol?

Answer 14

PCOS management, metabolic syndrome, blood sugar control

Question 15

Main functions of B6?

Answer 15

Transamination, neurotransmitter synthesis, haem and DNA/RNA synthesis

Question 16

Deficiency symptoms of B6?

Answer 16

Anaemia, depression, fatigue

Question 17

Who is at high risk for B6 deficiency?

Answer 17

Alcoholics

Question 18

Toxicity symptoms of B6?

Answer 18

Nerve damage, depression, headache

Question 19

Major food sources of B6?

Answer 19

All proteins, especially liver

Question 20

Primary functions of Folate?

Answer 20

DNA/RNA synthesis, methylation cycle, neural tube development

Question 21

Symptoms of Folate deficiency?

Answer 21

Anaemia, weakness, glossitis, high homocysteine

Question 22

Impact of folic acid fortification?

Answer 22

Reduced incidence of neural tube defects

Question 23

Special consideration for gluten-free diets?

Answer 23

Increased folate deficiency risk

Question 24

Food sources of Folate?

Answer 24

Leafy greens, legumes, mushrooms, liver

Question 25

Main functions of Vitamin B12?

Answer 25

Folate metabolism, TCA cycle, myelin sheath maintenance

Question 26

Primary food sources of B12?

Answer 26

Animal foods, dairy, eggs, fortified nutritional yeast

Question 27

Absorption requirement for B12?

Answer 27

Adequate hydrochloric acid to release from protein

Question 28

B12 deficiency symptoms?

Answer 28

Megaloblastic anaemia, neurological degeneration, fatigue

Question 29

Groups at risk of B12 deficiency?

Answer 29

Vegans, elderly, those with malabsorption

Question 30

Toxicity risk of B12?

Answer 30

None reported

Question 31

How does high folate intake affect B12 deficiency detection?

Answer 31

Masks early symptoms

Question 32

What is the precursor for acetylcholine synthesis?

Answer 32

Vitamin B5 (Pantothenic Acid) and Choline

Question 33

Which vitamin supports fatty acid and sterol production?

Answer 33

Vitamin B5 (Pantothenic Acid)

Question 34

What vitamin acts as a coenzyme in carboxylase reactions?

Answer 34

Vitamin B7 (Biotin)

Question 35

How does biotin deficiency present physically?

Answer 35

Red scaly dermatitis, brittle nails, hair thinning

Question 36

What condition can mask a Vitamin B12 deficiency?

Answer 36

High folate intake

Question 37

Which vitamin supports myelin sheath maintenance?

Answer 37

Vitamin B12 (Cobalamin)

Question 38

Main absorption site for Vitamin B5?

Answer 38

Jejunum (small intestine)

Question 39

What is the primary function of Choline in the brain?

Answer 39

Supports memory, movement, sleep, mood via acetylcholine

Question 40

Which gut condition increases risk for B12 deficiency?

Answer 40

Intestinal inflammation or bowel resection

Question 41

Which vitamins are involved in methylation support?

Answer 41

Folate (B9), B12, and Choline