Straighterline Introduction to Nutrition Quizzes (2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A

Straighterline Introduction to Nutrition Quizzes (2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A Q: A comparison of the kilocalorie content of a food to the weight of that food is Answer: energy density Q: When using MyPlate to choose fruits and vegetables, one should include a vitamin C source such as citrus fruit and a dark green vegetable each day, as a source of Answer: Vitamin A Q: Tina is consuming 15 mg of iron per day. Her RDA is 18 mg. She has no condition warranting a greater-than-normal need for iron. Which of the following statements is true about her consumption of this nutrient? Answer: Only if her intake is consistently less than 70% of the RDA would she be at great risk of nutritional deficiency. Q: Which term describes failing health that results from a long-standing dietary intake that is inadequate to meet nutritional needs? Answer: Undernutrition Q: When a nutrient moves freely from an area of higher solute concentration into an absorptive cell where the concentration is lower, this is called Answer: Passive Diffusion Q: Which absorptive process in the small intestine requires a carrier and energy to transport nutrients into absorptive cells? Answer: Active absorption Q: Which of the following is stored within the nucleus of the cell and acts as a code book for synthesizing specific proteins? Answer: DNA Q: The study of how genes determine our nutritional requirements is called Answer: Nutrigenetics Q: The study of the ways nutrients and food influence gene expression is called Answer: Nutrigenomics Q: Which of the following, upon digestion, is NOT normally absorbed directly into the bloodstream? Answer: Fats Q: Which pH best describes the environment of the stomach when stimulated? Answer: Acidic Q: Which of the following is a function of sphincter muscles? Answer: Controls passage of food through the GI tract Q: What is one function of the pyloric sphincter? Answer: Prevents intestinal contents from backing up into the stomach Q: What sphincter separates the small intestine from the large intestine?