Nokea
Kwashiorkor is a type of malnutrition caused by an inadequate dietary intake of
- A. Vitamin C.
- B. Minerals.
- C. Healthy fats.
- D. Protein.
Correct Answer: D
Rationale: Kwashiorkor results from severe protein deficiency, leading to symptoms like edema and muscle wasting.
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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.
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.
The section of the GI tract where no digestion takes place is the
- A. Mouth.
- B. Esophagus.
- C. Stomach.
- D. Small intestine.
Correct Answer: B
Rationale: The esophagus transports food from the mouth to the stomach without any digestive processes.
Protein is required by the body for
- A. Producing energy and heat.
- B. Building new tissue.
- C. Manufacturing hormones and enzymes.
- D. Increasing absorption of iron.
- E. Forming antibodies.
- F. Quick energy.
Correct Answer: B,C,E
Rationale: Proteins are essential for tissue growth, hormone/enzyme production, and antibody formation, not primarily for energy or iron absorption.
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.