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Which statements about body mass index (BMI) are accurate?
- A. It is a useful tool when evaluating a person's health risk.
- B. Exceptions to using BMI accurately include nonathletic people and pregnant women.
- C. It is the best tool as an indicator of obesity in the general population.
- D. People whose BMI is between 25 and 29.9 are considered obese.
- E. People whose BMI is below 18.5 are generally considered underweight.
Correct Answer: A,E
Rationale: BMI is useful for assessing health risks, and a BMI below 18.5 indicates underweight. BMI 25-29.9 is overweight, not obese.
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A new food label will now include which information?
- A. Added sugars
- B. Calories per half-serving
- C. Added sodium
- D. Gluten content
Correct Answer: A
Rationale: New food labels are required to list added sugars to help consumers monitor intake and make healthier choices.
What foods will you teach the patient are high in iron?
- A. Vegetables
- B. Red meats
- C. Fruits
- D. Fish
- E. Poultry
- F. Grains
- G. Beans
Correct Answer: B,D,E,G
Rationale: Red meats, fish, poultry, and beans are rich in iron, providing heme (animal-based) and non-heme (plant-based) iron.
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.
Most absorption of nutrients occurs in the
- A. Duodenum and jejunum.
- B. Stomach.
- C. Ileum.
- D. Ascending colon.
Correct Answer: A
Rationale: The duodenum and jejunum have a large surface area due to villi, making them primary sites for nutrient absorption.
What is the minimum amount of water that should be ingested by the average adult in a 24 -hour period?
- A. 240 mL
- B. A half-liter
- C. 1440 mL
- D. 3 liters
- E. 6 cups
Correct Answer: C
Rationale: 1440 mL (about 1.5 liters) is the minimum recommended water intake for an average adult, though needs vary.