Nokea
Water has several important functions in the body. Which of the following are functions of water?
- A. To help maintain body temperature
- B. To help maintain blood pressure
- C. To dilute the waste products in the blood
- D. To flush toxins from your system
- E. To carry nutrients to the tissue cells
Correct Answer: A,B,C,D,E
Rationale: Water regulates temperature, maintains blood pressure, dilutes waste, removes toxins, and transports nutrients.
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Provide two examples of pairing incomplete protein food sources that will meet an individual's protein requirements.
- A. Rice and beans
- B. Peanut butter and whole wheat bread
- C. Pasta and cheese
- D. Hummus and pita bread
Correct Answer: A,B
Rationale: Rice and beans or peanut butter and whole wheat bread combine complementary amino acids to form complete proteins.
The average adult needs how much fiber per day?
- A. 16 ounces
- B. 10 grams
- C. 25 to 35 grams
- D. 20 to 25 kcal
- E. 50 to 100 grams
- F. 6 to 8 ounces
Correct Answer: C
Rationale: Adults need 25-35 grams of fiber daily for optimal digestive health and to reduce chronic disease risk.
Identify three factors and describe how they will increase an individual's water needs.
- A. Physical activity
- B. Hot weather
- C. Illness (e.g., fever)
- D. Pregnancy
- E. Lactation
Correct Answer: A,B,C
Rationale: Physical activity increases water loss through sweat; hot weather increases hydration needs; illness like fever causes fluid loss.
Salivary amylase begins to break down
- A. Proteins.
- B. Fat.
- C. Simple carbohydrates.
- D. Complex carbohydrates.
Correct Answer: D
Rationale: Salivary amylase (ptyalin) breaks down complex carbohydrates like starches into simpler sugars in the mouth.
Which of the following vitamins are fat soluble and can become toxic when stored in the body's fat?
- A. Vitamin A
- B. Vitamin B12
- C. Vitamin K
- D. Vitamin E
- E. Vitamin C
- F. Vitamin D
- G. Vitamins B1 and B2
Correct Answer: A,C,D,E
Rationale: Fat-soluble vitamins (A, D, E, K) can accumulate in the body's fat and become toxic in high amounts.