Riboflavin
Riboflavin is what type of vitamin?
A. Fat-soluble
B. Mineral
C. Water-soluble
D. Hormone
C. Water-soluble
How much zinc is found in a 120-gram serving of oats?
A. 100 mg
B. 3 mg
C. 600 mg
D. 1lb
B. 3 mg
Which disease in children is caused by Vitamin D deficiency?
A. Diabetes
B. Rickets
C. Flu
D. Asthma
B. Rickets
What color can urine become after taking too much riboflavin?
A. Red
B. Blue
C. Bright yellow
D. Green
C. Bright yellow
Osteomalacia is best described as:
A. Bone softening in adults
B. Weak muscles
C. High blood pressure
D. Poor eyesight
A. Bone softening in adults
Why is toxicity from riboflavin uncommon?
A. It is destroyed in the stomach
B. The body stores all excess amounts
C. Excess riboflavin is excreted in urine
D. It cannot be absorbed
C. Excess riboflavin is excreted in urine
What behavioral or developmental symptoms are associated with low zinc levels?
A. Hyperactivity and weight gain
B. Increased appetite and rapid growth
C. Lack of energy, irritability, and slowed growth
D. Improved immunity and increased focus
C. Lack of energy, irritability, and slowed growth
Vitamin D3 is also called:
A. Ergocalciferol
B. Calcitonin
C. Cholecalciferol
D. Riboflavin
C. Cholecalciferol
Which group is at increased risk for riboflavin deficiency?
A. People with alcoholism
B. Professional athletes only
C. People who drink enough water
D. Children who eat vegetables
A. People with alcoholism
Humans must obtain riboflavin from food because:
A. It is stored in large amounts
B. The body cannot synthesize it
C. It is made only at night
D. It is produced in muscles
B. The body cannot synthesize it
Which of the following is not a source of riboflavin
a. Almonds
c. Fortified cereal
c. Vegetable oil
d. Eggs
c. Vegetable oil
What is the zinc content and serving size for pumpkin seeds?
A. 30 g serving contains 2 mg zinc
B. 50 g serving contains 500 mg zinc
C. 20 g serving contains 1 mg zinc
D. 90 g serving contains 150 mg zinc
A. 30 g serving contains 2 mg zinc
What is the recommended daily allowance of Vitamin D for ages 1–70?
A. 200 IU
B. 400 IU
C. 600 IU
D. 1,000 IU
C. 600 IU
How can excessive long-term zinc intake affect mineral levels in the body?
A. It increases iron absorption
B. It causes magnesium toxicity
C. It may lead to copper deficiency
D. It prevents calcium loss
C. It may lead to copper deficiency
Vitamin D supports which body system?
A. Immune system
B. Digestive system
C. Respiratory system
D. Reproductive system
A. Immune system
FMN is formed when riboflavin:
A. Loses oxygen
B. Gains a phosphate group
C. Gains a nucleotide group
D. Loses electrons
B. Gains a phosphate group
What is the UL for zinc in adults?
A. 30 mg/day
B. 35 mg/day
C. 40 mg/day
D. 50 mg/day
C. 40 mg/day
Why do healthy fats improve Vitamin D absorption?
A. Vitamin D is water-soluble
B. Vitamin D is fat-soluble
C. Fats contain calcium
D. Fats create Vitamin D
B. Vitamin D is fat-soluble
Which food is one of the best sources of Vitamin D?
A. Bread
B. Lettuce
C. Salmon
D. Apples
C. Salmon
What is the RDA for someone who is a 16 years old female for riboflavin?
a. 1.1mg
b. 1.5 mg
c. 2.0mg
d. 0.9mg
a. 1.1mg
Why is riboflavin important in cellular respiration?
A. It functions as a structural component of hemoglobin for oxygen transport
B. Its coenzyme derivatives participate in oxidation-reduction reactions within the electron transport system
C. It catalyzes the direct conversion of glycogen into circulating glucose molecules
D. It independently stimulates erythrocyte synthesis without involvement of additional cofactors
B. Its coenzyme derivatives participate in oxidation-reduction reactions within the electron transport system
What is the RDA for zinc in men and women?
A. Men: 8 mg/day; Women: 11 mg/day
B. Men: 11 mg/day; Women: 8 mg/day
C. Men: 15 mg/day; Women: 12 mg/day
D. Men: 20 mg/day; Women: 18 mg/day
B. Men: 11 mg/day; Women: 8 mg/day
Which statement best describes Vitamin D in relation to heat?
A. It is completely destroyed by any amount of heat
B. It is stable at low temperatures but can break down at high temperatures
C. It becomes more effective when boiled
D. It only exists in raw foods and disappears when cooked
B. It is stable at low temperatures but can break down at high temperatures
What are the active coenzyme forms of riboflavin?
A. FMN and FDA
B. FMN and FAD
C. FMN and FAD
D. FMM and FAD
B. FMN and FAD
16. Which gene mutation is associated with Acrodermatitis enteropathica?
A. SLC30A2
B. ATP7A
C. SLC39A4
D. CFTR
C. SLC39A4