Explain why people who are physically fit are said to be better "fat burners" than people who are not fit.
What will be an ideal response?
Answers will vary.
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Which of the following statements is true?
A. People who consume less than the Tolerable Upper Intake Level of a nutrient have a high risk of developing the nutrient's toxicity disorder. B. Nutrition scientists have established RDAs for all essential nutrients. C. People can have energy needs that are higher or lower than the Estimated Energy Requirement. D. People who consume 90% of the RDA for iron regularly are likely to develop an iron deficiency.
Cells regulate the osmotic pressure between their internal and external environments by
A) "drinking" in fluid via pinocytosis or expelling fluid via exocytosis. B) transmitting signals to the hypothalamic thirst mechanism prompting us to drink. C) using transport proteins to pump electrolytes across the cell membrane. D) allowing passive diffusion of sodium and potassium across the cell membrane.
Which of the following is associated with the condition known as xerosis?
a. Toxicity of vitamin A b. Toxicity of beta-carotene c. Deficiency of vitamin A d. Deficiency of vitamin D
How does osteomalacia differ from osteoporosis?
a. Vitamin D activity is not impaired in osteomalacia. b. Osteomalacia involves adequate bone mineralization. c. Osteomalacia is limited to cortical bone. d. Osteomalacia presents with bone deformities.