BIOD 121 MODULE 4 FINAL PAPER 2026 TESTED
QUESTIONS WITH FULL SOLUTION GRADED
A+
◉ Forms of Vitamin D: Answer: D2 (ergocalciferol) and D3
(cholecalciferol)
◉ Functions of D2 (ergocalciferol): Answer: calcium regulation,
immune system
◉ D2 (ergocalcuferol): Answer: synthetic product used in
supplements
◉ D3 (cholecalciferol): Answer: form made by the human body
◉ Functions of D3 (cholecalciferol): Answer: muscles and blood
pressure
◉ Deficiencies of D2 Answer: rickets (in children), osteomalacia
(adults)
◉ Deficiencies of D3 Answer: osteoporosis
,◉ Sources of D2 Answer: synthetic supplements
◉ Sources of D3 Answer: humane body (synthesizes it), fatty fish,
eggs, yogurt
◉ 10 minutes of sunshine 2-3 days a week will give you
_________________ of our vitamin D needs. Answer: 80-100%
◉ Rickets: Answer: result of low vitamin D2 in children and results
in soft bones and bowed legs
◉ Osteomalcia Answer: inadequate calcium absorption and
deposition in the bones leads
◉ Osteoporosis Answer: occurs as bone mass decreases and bones
thin and become porous
◉ Experts recommend that adults take ____________ IUs of vitamin D
daily. Answer: 1000
◉ Vitamin E: Answer: main function is as an antioxidant, protecting
cell membranes from free radicals.
, ◉ Tocopherol is the chemical name for Answer: vitamin E
◉ Free radicals Answer: can alter a cell's DNA, damage cell
membranes, and increase the risk for cancer (for this reason vitamin
E is the most widely used supplement)
◉ Forms of Vitamin E Answer: Alpha and Gamma
◉ Functions of vitamin E Answer: antioxidant, anti-aging, immune
function, heat health
◉ Deficiencies of vitamin E: Answer: rarely occur, but may result in
Hemolysis (break down of red blood cells)
◉ Sources of vitamin E Answer: most biologically active, plants
◉ Vitamin K: Answer: primarily involved in the process of
coagulation (blood clotting)
◉ Which vitamin disappears from the body within 24 hours?
Answer: vitamin K
◉ Functions of Vitamin K: Answer: blood clotting, bone formation,
muscles
QUESTIONS WITH FULL SOLUTION GRADED
A+
◉ Forms of Vitamin D: Answer: D2 (ergocalciferol) and D3
(cholecalciferol)
◉ Functions of D2 (ergocalciferol): Answer: calcium regulation,
immune system
◉ D2 (ergocalcuferol): Answer: synthetic product used in
supplements
◉ D3 (cholecalciferol): Answer: form made by the human body
◉ Functions of D3 (cholecalciferol): Answer: muscles and blood
pressure
◉ Deficiencies of D2 Answer: rickets (in children), osteomalacia
(adults)
◉ Deficiencies of D3 Answer: osteoporosis
,◉ Sources of D2 Answer: synthetic supplements
◉ Sources of D3 Answer: humane body (synthesizes it), fatty fish,
eggs, yogurt
◉ 10 minutes of sunshine 2-3 days a week will give you
_________________ of our vitamin D needs. Answer: 80-100%
◉ Rickets: Answer: result of low vitamin D2 in children and results
in soft bones and bowed legs
◉ Osteomalcia Answer: inadequate calcium absorption and
deposition in the bones leads
◉ Osteoporosis Answer: occurs as bone mass decreases and bones
thin and become porous
◉ Experts recommend that adults take ____________ IUs of vitamin D
daily. Answer: 1000
◉ Vitamin E: Answer: main function is as an antioxidant, protecting
cell membranes from free radicals.
, ◉ Tocopherol is the chemical name for Answer: vitamin E
◉ Free radicals Answer: can alter a cell's DNA, damage cell
membranes, and increase the risk for cancer (for this reason vitamin
E is the most widely used supplement)
◉ Forms of Vitamin E Answer: Alpha and Gamma
◉ Functions of vitamin E Answer: antioxidant, anti-aging, immune
function, heat health
◉ Deficiencies of vitamin E: Answer: rarely occur, but may result in
Hemolysis (break down of red blood cells)
◉ Sources of vitamin E Answer: most biologically active, plants
◉ Vitamin K: Answer: primarily involved in the process of
coagulation (blood clotting)
◉ Which vitamin disappears from the body within 24 hours?
Answer: vitamin K
◉ Functions of Vitamin K: Answer: blood clotting, bone formation,
muscles
