HLTH 645 Quiz: Carbohydrates, Fats, and
Protein Liberty University Comprehensive
Q&A Review (150 Questions)
**Q1: What is the primary function of carbohydrates in the human
body?**
A: Carbohydrates serve as the body's primary energy source,
providing 4 kcal per gram. They are especially important for brain
function and physical activity.
**Q2: How many kilocalories does one gram of carbohydrate
provide?**
A: 4 kilocalories per gram.
**Q3: What are the three main classifications of carbohydrates?**
A: Monosaccharides, disaccharides, and polysaccharides.
**Q4: Name the three most common monosaccharides.**
A: Glucose, fructose, and galactose.
**Q5: What is the "building block" of all carbohydrates?**
A: Monosaccharides, particularly glucose.
,**Q6: What two monosaccharides combine to form sucrose?**
A: Glucose and fructose.
**Q7: What is the storage form of glucose in animals?**
A: Glycogen.
**Q8: What is the storage form of glucose in plants?**
A: Starch.
**Q9: What enzyme begins the digestion of carbohydrates in the
mouth?**
A: Salivary amylase (ptyalin).
**Q10: Where does the majority of carbohydrate digestion occur?**
A: In the small intestine.
**Q11: What hormone is responsible for lowering blood glucose
levels?**
A: Insulin.
**Q12: What hormone raises blood glucose levels?**
A: Glucagon.
**Q13: What is the normal fasting blood glucose range?**
, A: 70-100 mg/dL.
**Q14: What condition is characterized by the body's inability to
produce insulin?**
A: Type 1 diabetes mellitus.
**Q15: What condition is characterized by insulin resistance?**
A: Type 2 diabetes mellitus.
**Q16: What is the glycemic index?**
A: A measure of how quickly carbohydrate-containing foods raise
blood glucose levels.
**Q17: Which type of carbohydrate is more effective at controlling
blood sugar spikes?**
A: Complex carbohydrates (starches and fibers).
**Q18: What is the recommended daily allowance (RDA) for
carbohydrates for adults?**
A: 130 grams per day.
**Q19: What percentage of daily caloric intake should come from
carbohydrates according to the Dietary Guidelines?**
A: 45-65% of total daily calories.
Protein Liberty University Comprehensive
Q&A Review (150 Questions)
**Q1: What is the primary function of carbohydrates in the human
body?**
A: Carbohydrates serve as the body's primary energy source,
providing 4 kcal per gram. They are especially important for brain
function and physical activity.
**Q2: How many kilocalories does one gram of carbohydrate
provide?**
A: 4 kilocalories per gram.
**Q3: What are the three main classifications of carbohydrates?**
A: Monosaccharides, disaccharides, and polysaccharides.
**Q4: Name the three most common monosaccharides.**
A: Glucose, fructose, and galactose.
**Q5: What is the "building block" of all carbohydrates?**
A: Monosaccharides, particularly glucose.
,**Q6: What two monosaccharides combine to form sucrose?**
A: Glucose and fructose.
**Q7: What is the storage form of glucose in animals?**
A: Glycogen.
**Q8: What is the storage form of glucose in plants?**
A: Starch.
**Q9: What enzyme begins the digestion of carbohydrates in the
mouth?**
A: Salivary amylase (ptyalin).
**Q10: Where does the majority of carbohydrate digestion occur?**
A: In the small intestine.
**Q11: What hormone is responsible for lowering blood glucose
levels?**
A: Insulin.
**Q12: What hormone raises blood glucose levels?**
A: Glucagon.
**Q13: What is the normal fasting blood glucose range?**
, A: 70-100 mg/dL.
**Q14: What condition is characterized by the body's inability to
produce insulin?**
A: Type 1 diabetes mellitus.
**Q15: What condition is characterized by insulin resistance?**
A: Type 2 diabetes mellitus.
**Q16: What is the glycemic index?**
A: A measure of how quickly carbohydrate-containing foods raise
blood glucose levels.
**Q17: Which type of carbohydrate is more effective at controlling
blood sugar spikes?**
A: Complex carbohydrates (starches and fibers).
**Q18: What is the recommended daily allowance (RDA) for
carbohydrates for adults?**
A: 130 grams per day.
**Q19: What percentage of daily caloric intake should come from
carbohydrates according to the Dietary Guidelines?**
A: 45-65% of total daily calories.
