HUMN NTR 2210
Study Guide: Chapter 5 Lipids
What is the structure of a triglyceride?
-1 Glycerol and 3 fatty acids
-glycerol=small (3 carbon) carbohydrate-backbone, fatty acids= chain of carbons with
Define the equation for Body Mass Index.
Calculate your BMI.
What are the ranges for each BMI category?
-body weight in kg
weight (pounds) 703
height^2 (in meters)
-ex. 120703 = 21.25
-healthy weight: 18.5-
Chapter 7 Energy Balance
How is the calorie content of food measured?
-by an instrument that measures amount of carbohydrates, fat, protein and alcohol to get the total
What instrument is used and how does it work?
-bomb calorimeter- measure c
1. What is the final end product of protein digestion that is absorbed into the
-short chains of amino acids and any individual amino acids?
2. Where do these end products go after they are absorbed into blood
-could be sent to the liver, brok
1. What would happen to protein synthesis if an essential amino acid is missing in the
- The body may break down another body protein to provide the essential amino acid but
usually if the essential amino acid is not available, protein synthesis wil
List the American Heart Association Dietary Recommendation and Lifestyle
Changes for cardiovascular disease risk reduction for the general public (Table 53) and for those at risk (Table 5-4).
-consume an overall healthy diet
-aim for a
-Low-Density Lipoproteins (LDL): lipoprotein in the blood containing primarily
cholesterol, elevated LDL linked to cardiovascular disease, remains of VLDL, primary
function is to transport cholesterol to tissues, taken up by scavenger cells and broken dow
Why is cholesterol also considered to be bad for you?
-if you have low HDL (high density lipoprotein) in the bloodstream, little cholesterol is
transported back to the liver and excreted, increasing the risk of cardiovascular disease
-if you have high
What is the difference between an omega-3 and an omega-6 fatty acid? What is
the name of the essential fatty acid in each of these categories?
-omega 3: an unsaturated fatty acid with the first double bond being on the third carbon
from the methyl end-
What is the set point theory?
-close regulation of body weight, genetically predetermined body weight or body fat content, body
resists weight change, could be because of hypothalamus- monitors amount f body fat and keeps
constant, hormone leptin could