CH 5 Protien

Protien Basic

100

•What is the primary function of protein in the body?

•Build and repair body tissues

200

•Which element makes protein unique among macronutrients?

•Nitrogen

300

•What are amino acids?

•The building blocks of protein

400

Name two functions of protein

•Enzyme formation and immune support

500

•What happens to excess protein?

•Converted to energy, fat, or glucose

Protein Balance

100

•What is protein balance?

•What is protein balance?

200

•What is positive nitrogen balance?

•More intake than loss

300

•When does negative nitrogen balance occur?

•Illness, trauma, starvation

400

•What is protein turnover?

•Continuous breakdown and synthesis

500

•What happens to muscle in prolonged illness?

•Muscle breakdown for amino acids

Protein Quality

100

•What makes a protein complete?

•Contains all essential amino acids

200

•Animal proteins are usually what type?

•Complete proteins

300

•What is a limiting amino acid?

•Essential amino acid in shortest supply

400

•What improves plant protein quality?

•Combining complementary proteins

500

•Egg protein is used as what standard?

•Reference protein

Digestion & Absorption

100

•Where does protein digestion begin chemically?

•Stomach

200

•Which enzyme starts protein digestion?

•Pepsin

300

•Which organ releases trypsin?

•Pancreas

400

•How are amino acids absorbed?

•Active transport with sodium

500

•Where do amino acids go after absorption?

•Portal blood to the liver

Clinical Nutrition

100

•What condition shows edema and fatty liver?

•Kwashiorkor

200

•What condition shows extreme wasting?

•Marasmus

300

•Why are protein needs higher after surgery?

•Tissue repair and healing

400

•What disease affects branched-chain amino acid metabolism?

•Maple syrup urine disease

500

•Why do burns increase protein needs?

•Severe tissue breakdown