HNF 150 EXAM 2 QUESTIONS WITH 100 % CORRECT ANSWERS | VERIFIED

Structure of protein - Answer-composed of carbon, hydrogen, oxygen, and nitrogen and arranged as strands of amino acids Three components of amino acids - Answer-amine group, acid group, side chain How many essential amino acids exist? - Answer-9 Why are adequate amounts of all essential amino acids required for protein synthesis? - Answer-without essential amino acids the body can't make the proteins that it needs to do work What factors differentiates protein? - Answer-... 7 roles of protein in the body - Answer-support growth and maintenance, building enzymes and hormones and other compounds, building antibodies, maintaining acid base balance, transport substances, maintaining fluid and electrolyte balance, and energy. In the stomach - Answer-acid denatures the protein strands, and an enzyme cleaves amino acid strands into polypeptides and a few amino acids In the small intestine - Answer-enzymes from pancreas and intestine split peptide strands into tripeptides, dipeptides and amino acids enzymes on intestine surface lining split tripeptides and dipeptides. the intestinal cells absorb and transfer amino acids into blood stream Bloodstream - Answer-carries amino acids to the liver where they are used or released into the blood to be taken up by other cells of the body Nitrogen balance study - Answer-compare nitrogen lost by excretion to the nitrogen eaten in food, consumed compared to excreted in a time re losses through urine, feces, sweat, and skin Nitrogen balance - Answer-Nitrogen balance= Nintake-(Nurine+Nsweat+Nfeces+Nskin) Mutual supplementation (aka complementary proteins) - Answer-combining two incomplete protein sources so that the amino acids in one food can make up for those lacking in other food Vegetarian meal plans containing complementary proteins - Answer-without meat. additional servings of milk, bread, and eggs will help add to your servings of protein. Grains and AA of legumes go together Protein calorie malnutrition - Answer-Marasmus and Kwashiorkor Marasmus - Answer-Less than 2 y Severe deprivation or impaired absorption of protein, energy, vit, min Develops slowly Severe weight loss Severe muscle wasting with fat loss Growth: <60% weight-for-age No edema No fatty liver Anxiety, apathy Appetite may be normal or impaired Hair is sparse and thin Skin is dry, thin and wrinkled