DIT121 TEST 1 EXAM QUESTIONS AND
ANSWERS UPDATED (2024/2025)
(VERIFIED ANSWERS)
What is the major site of nutrient absorption? - ANS ✓small bowel
Chemical structure of monosaccharides - ANS ✓Monosaccharides (single
sugars):
Glucose serves as the essential energy source, and is commonly known as blood
Sugar or dextrose.
Fructose is the sweetest, occurs naturally in honey and fruits, and is added to
Many foods in the form of high-fructose corn syrup.
Galactose rarely occurs naturally as a single sugar
Chemical structure of disaccharides - ANS ✓Disaccharides- are pairs of
monosaccharides, one of which is always glucose
Maltose consists of two glucose units. It is produced during the germination of
Seeds and fermentation.
Sucrose (table sugar) is fructose and glucose combined. It is refined from
Sugarcane and sugar beets, tastes sweet, and is readily available.
Lactose is galactose and glucose combined. It is found in milk and milk
Products.
Chemical structure of polysaccharides - ANS ✓Glycogen: Storage form of
glucose in the body--- Provides a rapid
Release of energy when needed
Starches- Storage form of glucose in plants
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Fiber- provides structure in plants, are very diverse, and cannot be
Broken down by human enzymes.
Chemical structure of fiber - ANS ✓...
What role does the different sugars play in the diet? - ANS ✓...
What role does fiber play in the diet? - ANS ✓Helps lower cholesterol, helps
bowel motility.
What carbohydrate is the sweetest? - ANS ✓Fructose is the sweetest, occurs
naturally in honey and fruits, and is added to many foods in the form of high-
fructose corn syrup.
How is carbohydrate stored in the body? - ANS ✓Storage is glycogen in liver
and muscle tissue. Goes to vascular system, then liver, then bloodstream. Liver
changes it into useable form.
Compare the nutritional contribution of honey vs. Sucrose in the diet. Is
honey better? - ANS ✓Honey is not any better than sucrose.
Summarize the Dietary Guidelines for Americans - ANS ✓Managing Calories
to Manage Weight
Balance calories and physical activity
Select variety of high nutrient dense foods
Foods and food components to Reduce
Limit sodium
Limit solid fats and added sugars
Foods and Nutrients to Increase - Whole Grains
Make at least ½ whole grains
Cardio, stretching, and strength/ resistance conditioning
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