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HLTH 405 Exam 1 questions with correct answers.
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HLTH 405 Exam 1 questions with correct answers.
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HLTH 405 Exam 1 questions with correct answersWhich of the following is not a function of carbohydrates in the body?
- They serve as a fuel for the nervous system.
- They provide energy to muscles during exercise.
- They spare muscle.
- They help in the break down of fats.
- They play an important role in maintaining bone mineral density.
Correct Answer-They play an important role in maintaining bone
mineral density.
Which of the following is true of dietary fibers?
- It does not provide the body with calories.
- Some types may help lower cholesterol in humans.
- It helps speed the passage of food through the intestines.
- It is either soluble or insoluble.
- All of the above. Correct Answer-All of the above
T or F: Glycogen is a type of complex carbohydrate. Correct Answer-
True
Which macronutrient can be broken down for energy in the absence of
oxygen? Correct Answer-Carbohydrates
Where does the energy required to make carbohydrates come from?
Correct Answer-Sun
,What is the process by which plants form carbohydrates? Correct
Answer-Photosynthesis
What can affect the glycemic index of a food? Correct Answer-The rate
of absorption of the food, differences in glucose kinetics, the fat content
of the food, and the protein content of the food.
What elements are found within the molecular structure of
carbohydrates? Correct Answer-Carbon and Oxygen
The starch in rice, potatoes, and corn is composed of ____ molecules.
Correct Answer-Glucose
When should athletes consume a high fat diet (~60 - 70% of total
calories)? Correct Answer-Athletes should never consume a high fat
diet.
T or F: When the carbons in a fatty acid chain are all linked by single
bonds, the fatty acid is termed unsaturated. Correct Answer-False
Which of the following is not true of sterols?
- They are hydrophobic and lipophilic.
- Cholesterol is an example of a sterol.
- They are found in both plants and animals.
- They contain fatty acids. Correct Answer-They contain fatty acids.
, What is the difference between long chain triglycerides (LCT's) and
medium chain triglycerides (MCT's)? Correct Answer-MCT's can be
absorbed across the mucosal membrane.
T or F: Phospholipids are found in both plants and animals and have a
unique molecular structure that allows them to be both fat and water
soluble. Correct Answer-True
What is the RDA for fats? Correct Answer-An RDA has not been
established for fats.
T or F: Lipids are hydrophobic and lipophilic. Correct Answer-True
Which of the following is not a function of fats?
- They provide 9 calories per gram, helping athletes meet their daily
energy needs.
- They serve as the primary source of energy during moderate to high-
intensity exercise.
- They add flavor and texture to foods.
- They provide essential fatty acids for normal physiological
functioning. Correct Answer-They serve as the primary source of energy
during moderate to high-intensity exercise.
If a product contains 100 calories and 5 grams of fat per serving, what is
the percentage of calories from fat in the product? Correct Answer-45%
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