Nutrition For Sport and Exercise Chapter 1 2023 with 100% correct questions and answers

T/F Essential nutrients cannot be synthesized in the body and are therefore required for some critical functions throughout life and in the diet for growth, health, and survival. true Which of the following is not a function of vitamins? -serve as regulators and links in the processes of energy release from food. -important cofactors in various chemical reactions. -provide energy. -important in maintaining homeostasis. provide energy Which of the following is not a function of nutrition? - social interaction -promotion of development -provision of energy -regulation of metabolism -promotion of growth social interaction T/F Plant carbohydrates cannot be digested in the human gastrointestinal tract. false Which of the following is not a mineral? -zinc -chromium - riboflavin -sodium -potassium riboflavin T/F Thirty different amino acids are commonly found in proteins. false Recommended protein intake for the general population varies worldwide between _____ and _____ g/kg b.w. 0.8; 1.2 T/F Micronutrients are smaller molecules than macronutrients. false _______________________ are important constituents of cell membranes. phospholipids and cholesterol Complete proteins, or high-quality proteins, are proteins that contain all the essential amino acids Which of the following is not a carbohydrate? -cellulose -trehalose -galactose -starch -glutamate glutamate T/F The term nutrition refers to only the absorption of food. false T/F Athletes training and competing in hot conditions may have fluid requirements greater than 15 L/day. true Of the ______ amino acids normally found in dietary protein, humans can synthesize ______. 20; 11 Fatty acids with a chain length of _________ are medium-chain fatty acids (MCFAs), and those with a chain length of ________ or less are short-chain fatty acids (SCFAs). C8 or C10; C6 T/F Phytonutrients are essential nutrients found in plants that are thought to promote human health. false T/F Of the 2.0 to 2.8 L of daily water intake, 95% is usually in the form of fluids, and the rest is obtained from foods. false Fruit sugar is fructose Which of the following is not a lipid? - lipoprotein -lipoprotein lipase - long-chain fatty acid -triacylglycerol -diacylglycerol lipoprotein Which of the following methods of food intake assessment is qualitative rather than quantitative? -3-day food diary - 5-day food diary -24-hour recall -food frequency questionnaire - duplicate food collections food frequency questionnaire T/F About two-thirds of body water is found inside cells as intracellular fluid. The remaining one-third is found outside cells as extracellular fluid. true T/F Examples of phytonutrients are carotenoids, found in carrots, broccoli, leafy green and yellow vegetables, and spinach, and polyphenols, found in various berries, fruits, and wine. true T/F Starch is the storage form of carbohydrates in plants. true Which of the following is not true? - Cholesterol causes heart disease. - Cholesterol plays an important role in the transport of fatty acids. Cholesterol is an important constituent of cell membranes. - Cholesterol is an important precursor in the formation of bile and is itself an important component of bile. - Cholesterol is a precursor for important hormones, in particular steroids such as testosterone. cholesterol causes heart disease Which of the following is not a fat-soluble vitamin? -vitamin D - vitamin K -vitamin B - vitamin E -vitamin A vitamin B Under the umbrella of dietary reference intake, or DRI, four standards have been developed. Which of the following is not one of them? - the estimated average requirement (EAR) - the recommended dietary allowance (RDA) -the adequate intake (AI) -the tolerable upper intake level (UL) - the daily value (DV) daily value T/F Plant protein is considered higher quality than animal protein not only because all essential amino acids are present but also because the amino acids are present in larger quantities and in proper proportion. false If food is not weighed, the mass of various foods may be underestimated or overestimated. Errors are sometimes as large as ______ for foods and ______ for particular nutrients. 50%; 20% T/F Calculations of energy intake from records of daily food consumption are usually within 2% of the actual energy intake. false