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Author: Diane McKay

Tufts OpenCourseWare
Friedman School of Nutrition Science and Policy
Foundations of Nutrition Science, Fall 2012
D. McKay, PhD, FACN

 

LECTURE #7: ENERGY METABOLISM AND ALCOHOL

  • Define anabolic and catabolic reactions, and give an example of each
  • Define ATP, and describe its 3 major functions in the body.
  • Besides ATP, list the other 2 compounds produced in cells after food is completely metabolized.
  • Identify the 3 major metabolic pathways through which the macronutrients are converted into energy. 
  • Identify where energy metabolism occurs in the cell.
  • Examine the general differences in the breakdown of carbohydrates, fats, and proteins to usable energy components (ATP).
  • Define ketosis and describe the conditions in which it occurs. 
  • Describe the consequences of consuming an excessive amount of any macronutrient (in excess of the body's energy/calorie needs)
  • Explain, in general terms, what happens to the metabolic pathways during feasting, fasting, and prolonged fasting (starvation).

 

  • Define moderate alcohol consumption for both men and women
  • Define one drink when referring to an alcoholic beverage
  • Discuss several factors that affect the body's ability to metabolize alcohol
  • List the potential health benefits associated with moderate consumption
  • List the detrimental effects of alcohol when consumed in excess
  • Define MEOS, cirrhosis, Wernicke-Korsakoff Syndrome

Required readings:

  • Whitney & Rolfes, Chapter 7, Metabolism: Transformations and Interactions; Highlight 7
  • Overview of energy Metabolism (handout)

Supplementary readings and links: 

  •  Alcohol Effects on Nutrients in the Body (handout)