Sitology II Sitology II These questions are designed to test a deeper understanding of nutrition science, including the roles of various nutrients, biochemical processes, and the impact of diet on health. 1 / 10 Which of the following micronutrients is crucial for the formation of the thyroid hormones T3 and T4? Selenium Iodine Zinc Copper 2 / 10 Which type of dietary fiber is most effective in lowering blood cholesterol levels? Resistant starch Insoluble fiber Cellulose Soluble fiber 3 / 10 Which of the following vitamins acts as a coenzyme in the decarboxylation of pyruvate to acetyl-CoA in the citric acid cycle? Pantothenic acid (Vitamin B5) Thiamine (Vitamin B1) Niacin (Vitamin B3) Riboflavin (Vitamin B2) 4 / 10 Which of the following amino acids is most likely to be limiting in a vegan diet? Lysine Valine Glycine Alanine 5 / 10 What is the main role of chylomicrons in the body? Transport of glucose to tissues Synthesis of cholesterol in the liver Transport of dietary lipids from the intestines to other locations in the body Breakdown of proteins in the stomach 6 / 10 Which of the following mechanisms is primarily responsible for the regulation of blood glucose levels after carbohydrate intake? Glycogenolysis Gluconeogenesis Lipolysis Insulin secretion 7 / 10 Which of the following is the most bioavailable source of Vitamin B12? Spinach Lentils Beef liver Almond milk 8 / 10 The absorption of which of the following minerals is enhanced by the presence of Vitamin C? Calcium Magnesium iron Zinc 9 / 10 Which of the following fatty acids is considered essential because the body cannot synthesize it? Oleic acid Linoleic acid Palmitic acid Stearic acid 10 / 10 Which of the following nutrients is critical for the conversion of homocysteine to methionine, thus preventing cardiovascular disease? Vitamin B12 Vitamin D Vitamin C Calcium Your score isThe average score is 0% 0% Restart quiz
