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NTR 401 Midterm 1 Review Exam Questions and Answers
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NTR 401 Midterm 1 Review Exam Questions and Answers
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NTR 401 Midterm 1 Review ExamQuestions and Answers
Zymogen - Answer-a protein that can become an active enzyme through proteolysis at
a location outside the cells where it is synthesized
Enterocytes - Answer-cells lining the gastrointestinal tract
Ileal brake - Answer-hormone feedback loop between small intestine and pyloric
sphincter, involving GLP-1
Metallothionein - Answer-Protein that bonds to free metals for storage in liver or kidney
Hypolactasia - Answer-Common digestive issue, lactose intolerance
Phytate (Phytic Acid) - Answer-Component of grains/legumes, chelates minerals and
reduces absorption
Adequate Macronutrient Distribution Range - Answer-ADMR - % of daily calories from
each energy source that is healthiest
Indespensible nutrient - Answer-substance needed in a metabolic reaction or tissue
structure that cannot be synthesized in humans
UL - Answer-"Tolerable Upper Level Intake Limit" the point where the risk for harm
increases
Reference Height and Weight - Answer-Average height and weight of American men &
women, used to provide representative nutrient intakes that depend on size
Ghrelin - Answer-Hormone produced in stomach that signals hunger
Leptin - Answer-produced in adipose tissue, signals brain to reduce food intake
Cholecystokinin - Answer-hormone from small intestine, signals brain to stop eating
Hepcidin - Answer-hormone produce in liver, reduces iron absorption in intestine
Involved in breakdown and absorption of fats in the intestine - Answer-Bile acids, co-
lipase, and pancreatic lipase
Precursor of monoacylglyceride and 2 fatty acids in the gut - Answer-Triglyceride
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