Which of the following are water-soluble vitamins?
Select all that apply.
B6
K
A
E
C
Correct Answer : A,E
A. B6 (pyridoxine) is a water-soluble vitamin that plays roles in metabolism, red blood cell production, and the nervous system.
B. Vitamin K is a fat-soluble vitamin responsible for blood clotting and is not water-soluble.
C. Vitamin A is a fat-soluble vitamin important for vision, immune function, and skin health, not water-soluble.
D. Vitamin E is a fat-soluble antioxidant vitamin, not water-soluble.
E. Vitamin C (ascorbic acid) is a water-soluble vitamin crucial for collagen synthesis, antioxidant function, and immune support.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Wheat toast with a peeled apple contains fiber from the apple but might have less fiber compared to other whole-grain options.
B. A biscuit and grapefruit might provide some fiber from the grapefruit, but the biscuit might not be high in fiber.
C. Shredded wheat is a whole-grain cereal that tends to be higher in fiber, and adding a banana further increases the fiber content.
D. White toast with an orange provides some fiber from the orange, but white toast itself lacks significant fiber content compared to whole-grain options like shredded wheat.
Correct Answer is B
Explanation
A. 9 calories per gram is the energy yield for fats, not carbohydrates.
B. Carbohydrates provide approximately 4 calories per gram, which is the energy yield for this macronutrient.
C. 5 calories per gram is not the typical energy value for carbohydrates; it's closer to the value for proteins.
D. 6 calories per gram is not the energy yield for carbohydrates; it's closer to the value for alcohol.
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