Vitamin A
What is the specific name of the plant-based "precursor" form of Vitamin A?
Beta-Carotene
What is the minimum requirement for Vitamin C?
10 mg/day
Without vitamin B12, cells cannot properly produce:
A. DNA
B. Calcium
C. Oxygen
D. Collagen
A. DNA
What protein made in the stomach helps absorb vitamin B12?
A. Collagen
B. Keratin
C. Intrinsic factor
D. Insulin
C. Intrinsic factor
Which organ stores vitamin B12?
A. Heart
B. Kidney
C. Liver
D. Pancreas
C. Liver
Which food source was listed as having the highest Vitamin A content (1000 mcg) for a single medium serving?
Sweet Potato
This protein depends of Vitamin C for wound healing
Collagen
What usually happens to excess vitamin B12 in the body?
A. It becomes toxic immediately
B. It is stored or excreted
C. It turns into fat
D. It damages the kidneys
B. It is stored or excreted
Vitamin C is easily transported in the body because it is what type of soluble vitamin?
water soluble
This light-sensitive protein mentioned in the slides allows the brain to respond to light for nighttime vision.
Rhodopsin
Vitamin A helps maintain these "linings" of the body to prevent infections like measles or pneumonia.
Epithelial cells (or body linings/immune barriers)
What are the UL values for Vitamin C (include units)
2000 mg/day
Because B12 is stored in the body, deficiency symptoms may take:
A. A few hours
B. A few days
C. Weeks to months
D. Years
D. Years
Which of the following is a symptom of vitamin B12 deficiency?
A. Tingling or numbness
B. Fatigue
C. Weakness
D. All of the above
D. All of the above
Vitamin C can easily travel through the?
Why does the slide suggest cooking vegetables with oils to improve Vitamin A intake?
Because Vitamin A is fat-soluble (it needs fat to be absorbed better).
These two amino acids are converted to hydroxyproline and hydroxylysine during collagen synthesis
Proline and lysine
Which type of diets are hardest to manage vitamin B12 with?
A. High-protein and keto
B. Vegetarian and vegan
C. Mediterranean and paleo
D. Low-carb and gluten-free
Vegetarian and vegan
Which specific group of people has the highest Recommended Daily Allowance (RDA) at 950 mcg?
Breastfeeding women
This area of the body contain high concentrations of Vitamin C
The adrenal glands
Which form of Vitamin A is specifically labeled as an "aldehyde" and is essential for the visual cycle?
Retinal
This form of Vitamin C is created after Vitamin C gives electrons to stabilize free radicals
Dehydroascorbic acid
What condition is commonly caused by severe vitamin B12 deficiency?
A. Diabetes
B. Asthma
C. Pernicious anemia
D. Osteoporosis
C. Pernicious anemia
High doses of Vitamin A are "teratogenic," meaning they can cause birth defects. Which specific structural defect was mentioned in the toxicity slide?
Spina Bifida or Cleft Palate
What is the most reactive part of Vitamin C?
The enediol group