Page 1 of 84
DHN 101 2026 EXAM 3 COMPLETE (356)
CURRENT TESTING QUESTIONS AND
DETAILED CORRECT
ANSWERS|GUARANTEED PASS.
DHN
Ace your preparation with this DHN 101 Exam 3, designed to
assess foundational concepts in dietetics and human nutrition.
It focuses on nutrient functions, digestion, dietary guidelines,
and health promotion. The exam strengthens understanding of
core nutrition principles and their practical applications.
Suitable for nutrition and healthcare students.
Gabe's elderly neighbor told him that when he was growing
up, the milkman would deliver glass bottles of milk to his
family's doorstep. He wonders why milk is not available in
glass bottles anymore. Gabe explains to him that light
destroys certain water-soluble vitamins in milk and milk is
now stored in opaque containers to help preserve the B
vitamin ✓ ✓ ...... ANSWER ....... riboflavin
Side effects of vitamins ✓ ✓ ...... ANSWER ....... Niacin
--> Skin flushing
, Page 2 of 84
Vitamin A --> birth defects
Vitamin C --> diarrhea and GI tract discomfort
Folic acid --> can mask vitamin B-12 deficiency
Vitamin A containing foods from lowest to highest ✓ ✓ ......
ANSWER ....... beef liver, pumpkin, cooked carrots, milk
What function do many B vitamins serve in the production of
energy? ✓ ✓ ...... ANSWER ....... the function as co-
enzymes
The only source of retinoids, also called ______, is also found
in animal foods like fish and organ meat. ✓ ✓ ...... ANSWER
....... performed vitamin A
Plants contain pigments called ______ that can be turned
into vitamin A in the body if needed. ✓ ✓ ...... ANSWER
....... carotenoids
These pigments are also called provitamin A; the most
potent form of provitamin A is ______, the orange-yellow
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pigment in carrots and other orange and yellow vegetables
and fruits ✓ ✓ ...... ANSWER ....... beta-carotene
Other provitamin A carotenoids include zeaxanthin and
_____, two important components of the macula that help
eye health. ✓ ✓ ...... ANSWER ....... lutein
Matching vitamins with food sources ✓ ✓ ...... ANSWER
....... E: plant oils
D: fortified milk
K: dark green leafy vegs
C: citrus fruits
Vitamin supplements are sometimes used by the general
public for therapeutic purposes. Of the following medicinal
uses of vitamins, which vitamin supplement/health outcome
is the only one proven in scientific research to be beneficial?
✓ ✓ ...... ANSWER ....... nicotinic acid ( a form of niacin)
for lowering LDL and increasing HDL levels
Performed vitamin A carotenoids ✓ ✓ ...... ANSWER .......
liver, fish oils, fortified milk, eggs, fortified margarine
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Provitamin A carotenoids ✓ ✓ ...... ANSWER .......
carrots, spinach, winter squash, sweet potatoes, mangoes
Gabe's grandfather has a history of heart disease and is on
anticoagulant drug therapy. His prescription drugs include
Coumadin (warfarin). What dietary precaution should his
grandfather be taking? ✓ ✓ ...... ANSWER ....... avoid
any large increases in dark green, leafy vegetable intake
because vitamin K can reduce effectiveness of
anticoagulants and promote blood cells
Vitamin A in the form of beta-carotene is a fat-soluble pro-
vitamin found primarily in dark orange and yellow fruits and
vegetables. Fat is required to transport fat-soluble nutrients,
but most fruits and vegetables that are good sources of this
fat-soluble pro-vitamin are low in fat or fat-free. How can you
enhance the body's absorption of fat-soluble pro-vitamins
when preparing low-fat foods rich in these vitamins? ✓ ✓
...... ANSWER ....... you can add olive oil or margarine to
vegetables after they are cooked
DHN 101 2026 EXAM 3 COMPLETE (356)
CURRENT TESTING QUESTIONS AND
DETAILED CORRECT
ANSWERS|GUARANTEED PASS.
DHN
Ace your preparation with this DHN 101 Exam 3, designed to
assess foundational concepts in dietetics and human nutrition.
It focuses on nutrient functions, digestion, dietary guidelines,
and health promotion. The exam strengthens understanding of
core nutrition principles and their practical applications.
Suitable for nutrition and healthcare students.
Gabe's elderly neighbor told him that when he was growing
up, the milkman would deliver glass bottles of milk to his
family's doorstep. He wonders why milk is not available in
glass bottles anymore. Gabe explains to him that light
destroys certain water-soluble vitamins in milk and milk is
now stored in opaque containers to help preserve the B
vitamin ✓ ✓ ...... ANSWER ....... riboflavin
Side effects of vitamins ✓ ✓ ...... ANSWER ....... Niacin
--> Skin flushing
, Page 2 of 84
Vitamin A --> birth defects
Vitamin C --> diarrhea and GI tract discomfort
Folic acid --> can mask vitamin B-12 deficiency
Vitamin A containing foods from lowest to highest ✓ ✓ ......
ANSWER ....... beef liver, pumpkin, cooked carrots, milk
What function do many B vitamins serve in the production of
energy? ✓ ✓ ...... ANSWER ....... the function as co-
enzymes
The only source of retinoids, also called ______, is also found
in animal foods like fish and organ meat. ✓ ✓ ...... ANSWER
....... performed vitamin A
Plants contain pigments called ______ that can be turned
into vitamin A in the body if needed. ✓ ✓ ...... ANSWER
....... carotenoids
These pigments are also called provitamin A; the most
potent form of provitamin A is ______, the orange-yellow
, Page 3 of 84
pigment in carrots and other orange and yellow vegetables
and fruits ✓ ✓ ...... ANSWER ....... beta-carotene
Other provitamin A carotenoids include zeaxanthin and
_____, two important components of the macula that help
eye health. ✓ ✓ ...... ANSWER ....... lutein
Matching vitamins with food sources ✓ ✓ ...... ANSWER
....... E: plant oils
D: fortified milk
K: dark green leafy vegs
C: citrus fruits
Vitamin supplements are sometimes used by the general
public for therapeutic purposes. Of the following medicinal
uses of vitamins, which vitamin supplement/health outcome
is the only one proven in scientific research to be beneficial?
✓ ✓ ...... ANSWER ....... nicotinic acid ( a form of niacin)
for lowering LDL and increasing HDL levels
Performed vitamin A carotenoids ✓ ✓ ...... ANSWER .......
liver, fish oils, fortified milk, eggs, fortified margarine
, Page 4 of 84
Provitamin A carotenoids ✓ ✓ ...... ANSWER .......
carrots, spinach, winter squash, sweet potatoes, mangoes
Gabe's grandfather has a history of heart disease and is on
anticoagulant drug therapy. His prescription drugs include
Coumadin (warfarin). What dietary precaution should his
grandfather be taking? ✓ ✓ ...... ANSWER ....... avoid
any large increases in dark green, leafy vegetable intake
because vitamin K can reduce effectiveness of
anticoagulants and promote blood cells
Vitamin A in the form of beta-carotene is a fat-soluble pro-
vitamin found primarily in dark orange and yellow fruits and
vegetables. Fat is required to transport fat-soluble nutrients,
but most fruits and vegetables that are good sources of this
fat-soluble pro-vitamin are low in fat or fat-free. How can you
enhance the body's absorption of fat-soluble pro-vitamins
when preparing low-fat foods rich in these vitamins? ✓ ✓
...... ANSWER ....... you can add olive oil or margarine to
vegetables after they are cooked
