FSHN 185 Exam 2 | Questions with 100% Correct Answers

FSHN 185 Exam 2 | Questions with 100% Correct Answers Fat supplies about ________ of the body's ongoing energy needs during rest. A. 10% B. 20% C. 40% D. 60% E. 80% How much energy does 1 gram of fat provide? A. 3 kcalories B. 5 kcalories C. 9 kcalories D. 12 kcalories E. 15 kcaolories Which are the largest and least-dense of the lipoproteins? A. Chylomicrons B. VLDL C. LDL D. HDL E. VHDL The emulsification of fat by bile is often compared to ________. A. the evaporation of alcohol when cooking B. a detergent removing grease spots from clothes C. driving a car on the highway D. a dog wagging its tail E. flossing one's teeth Which lipoprotein primarily transports cholesterol in the blood? A. Chylomicron B. Low-density lipoprotein C. High-density lipoprotein D. Very low-density lipoprotein E. Very high density lipoprotein Which term describes the spherical complexes of emulsified fats that arise during digestion? A. Micelles B. Chylomicrons C. Lipoproteins D. Eicosanoids E. Adiponectin Linolenic acid is an omega-3 fatty acid. What does "omega-3" mean? A. It contains three double bonds. B. Its closest double bond is three carbons away from the acid end. C. Its closest double bond is three carbons away from the methyl end. D. Its closest double bond is three carbons away from each end. E. Its structure bends three times. Which of the following is a potentially healthful source of monounsaturated fats? A. Olives B. Coconut C. Pumpkin seeds D. Flaxseed E. Eggs What organ contains special LDL receptors that play a crucial role in controlling blood cholesterol? A. Liver B. Pancreas C. Gallbladder D. Skeletal muscle E. Small intestine Which is not a group of lipoproteins? A. Chylomicrons B. VLDL C. LDL D. HDL E. VHDL Which term refers to the study of how genes influence the activities of nutrients? A. Nutrigenetics B. Nutrigenomics C. Genetic synthesis D. Human nutritional economics E. Bioproteomics What type of chemical reaction connects amino acids? A. Hydrolysis B. Oxidation C. Denaturation D. Condensation E. Polymerization What is fibrin? A. An antigen B. An antibody C. A light-sensitive protein D. A blood clotting protein E. A sterol How do proteins regulate fluid balance? A. Proteins attract water. B. Water attracts proteins. C. Water degrades proteins. D. Proteins form polymers of water. E. Proteins repel water. Which digestive enzyme hydrolyzes protein in the stomach? A. Elastase B. Pepsin C. Trypsin D. Enteropeptidase E. Chymotrypsin For whom is nitrogen balance typically positive? A. Pregnant women B. Starving children C. Burn victims D. Febrile children E. Adult men Digestive enzymes are ________ and function optimally at their specific pH. A. lipids B. carbohydrates C. sterols D. proteins E. supplements Amino means containing ________. A. oxygen B. sulfur C. carbon D. hydrogen E. nitrogen Which statement about protein transporters is FALSE? A. Hemoglobin transports oxygen from the lungs to the cells. B. Some transport proteins act as "pumps." C. Iron is captured in an intestinal cell by a protein. D. Transport proteins within a cell membrane pick up and release sodium and potassium across the membrane. E. Active transport systems require no energy. The protein RDA for adults is ________ grams per kilogram. A. 0.08 B. 0.36 C. 0.8 D. 3.6 E. eight What is acetaldehyde? A. A toxic compound created in alcohol metabolism B. An enzyme used in alcohol metabolism C. A substance in liver that helps detoxify alcohol D. A ketone body E. The final product of alcohol metabolism. What percentage of a person's ingested energy intake is required to convert excess dietary fat to body fat? A. 5 B. 15 C. 25