EXAM STUDY GUIDE 4: BIOD 121
NUTRITION, 2025/2026 WITH
CORRECT/ACCURATE ANSWERS
What is bioavailability? - CORRECT ANSWERS- The degree to
which a nutrient is absorbed and available to be used by the body
Xeropthalmia is a result of a deficiency in _________________ -
CORRECT ANSWERS- Vitamin A
Vitamin C is important is the formation of _______________ -
CORRECT ANSWERS- Collagen
Combining __________ with good sources of Vitamin C will improve
its absorption - CORRECT ANSWERS- Iron
A deficiency results in scurvy which can be prevented by
consuming ____________________. - CORRECT ANSWERS- Citrus
fruits
A friend of yours is a weight lifter. He just purchased a
supplement of Vitamin B-6. What are the side effects of mega
doses of this vitamin? Why would he consider taking this? -
CORRECT ANSWERS- Megadoses of B-6 can cause hand and foot
numbness as well as irreversible nerve damage
,Weight lifters use large amounts to build muscle mass
A deficiency of thiamin results in beriberi which translates to I
can't I can't. Pellagra is a deficiency of niacin and the symptoms
include diarrhea, dermatitis, _____________ and death. - CORRECT
ANSWERS- Dementia
A deficiency of folate and vitamin ____________ both result in
megaloblastic anemia, formation of large immature red blood
cells. - CORRECT ANSWERS- B-12
A deficiency of _________ and vitamin B12 both result in
megaloblastic anemia, formation of large immature red blood
cells. - CORRECT ANSWERS- Folate
_________________ are essential nutrients. The degree to which
they can be absorbed is called their bioavailability - CORRECT
ANSWERS- Vitamins and/or minerals
Would vitamins or minerals be more likely to be destroyed during
the cooking process? - CORRECT ANSWERS- Vitamins
Name three factors that may negatively affect iron absorption -
CORRECT ANSWERS- High fiber intake, Pica, and Zinc
supplements interfere
, True or false? If false, explain why
The majority of the essential vitamins are not synthesized by the
body and must be consumed in the diet - CORRECT ANSWERS-
True
Explain the process of fortification - CORRECT ANSWERS-
Fortification is the process of supplementing a product with
vitamins that would not normally be in the food product.
Which of the following are considered fat soluble vitamins?
Choose all that apply
A) Vitamin B
B) Vitamin C
C) Vitamin A
D) Vitamin E - CORRECT ANSWERS- C) Vitamin A
D) Vitamin E
The form of vitamin A found in plant sources is called
________________, whereas the form of vitamin A found in animal
sources is called________________ - CORRECT ANSWERS-
Carotenoids, retinol/retinal
A friend recently had her annual physical, and her doctor
informed her that her Vitamin A levels were too low. As a nurse,
she comes to you for advice on what foods to consume to
NUTRITION, 2025/2026 WITH
CORRECT/ACCURATE ANSWERS
What is bioavailability? - CORRECT ANSWERS- The degree to
which a nutrient is absorbed and available to be used by the body
Xeropthalmia is a result of a deficiency in _________________ -
CORRECT ANSWERS- Vitamin A
Vitamin C is important is the formation of _______________ -
CORRECT ANSWERS- Collagen
Combining __________ with good sources of Vitamin C will improve
its absorption - CORRECT ANSWERS- Iron
A deficiency results in scurvy which can be prevented by
consuming ____________________. - CORRECT ANSWERS- Citrus
fruits
A friend of yours is a weight lifter. He just purchased a
supplement of Vitamin B-6. What are the side effects of mega
doses of this vitamin? Why would he consider taking this? -
CORRECT ANSWERS- Megadoses of B-6 can cause hand and foot
numbness as well as irreversible nerve damage
,Weight lifters use large amounts to build muscle mass
A deficiency of thiamin results in beriberi which translates to I
can't I can't. Pellagra is a deficiency of niacin and the symptoms
include diarrhea, dermatitis, _____________ and death. - CORRECT
ANSWERS- Dementia
A deficiency of folate and vitamin ____________ both result in
megaloblastic anemia, formation of large immature red blood
cells. - CORRECT ANSWERS- B-12
A deficiency of _________ and vitamin B12 both result in
megaloblastic anemia, formation of large immature red blood
cells. - CORRECT ANSWERS- Folate
_________________ are essential nutrients. The degree to which
they can be absorbed is called their bioavailability - CORRECT
ANSWERS- Vitamins and/or minerals
Would vitamins or minerals be more likely to be destroyed during
the cooking process? - CORRECT ANSWERS- Vitamins
Name three factors that may negatively affect iron absorption -
CORRECT ANSWERS- High fiber intake, Pica, and Zinc
supplements interfere
, True or false? If false, explain why
The majority of the essential vitamins are not synthesized by the
body and must be consumed in the diet - CORRECT ANSWERS-
True
Explain the process of fortification - CORRECT ANSWERS-
Fortification is the process of supplementing a product with
vitamins that would not normally be in the food product.
Which of the following are considered fat soluble vitamins?
Choose all that apply
A) Vitamin B
B) Vitamin C
C) Vitamin A
D) Vitamin E - CORRECT ANSWERS- C) Vitamin A
D) Vitamin E
The form of vitamin A found in plant sources is called
________________, whereas the form of vitamin A found in animal
sources is called________________ - CORRECT ANSWERS-
Carotenoids, retinol/retinal
A friend recently had her annual physical, and her doctor
informed her that her Vitamin A levels were too low. As a nurse,
she comes to you for advice on what foods to consume to
