Sample Quiz #2
1. All blood leaving the GI tract travels first to the
2. Which nutrients leave the GI tract by way of the lymphatic system?
a. water and minerals
b. proteins an
Chapter 1: An Overview of Nutrition
Humans are omnivores.
Significance of choices:
Humans can use a wide variety of fuels, or in other words, humans can function on a wide
variety of foods.
There are long-term consequences of poor eating c
Essential nutrients required in small amounts by the body for health.
There are 13 different vitamins, 9 are water-soluble, 4 are water-insoluble (fat-soluble).
The Inorganic Nutrients: Minerals & Water
Chapter 2 - Planning a Healthy Diet
Principles and Guidelines
Nutrient density* - a measurement of the nutrients a food provides relative to the energy it
Dietary Guidelines for Americans
Adequate nutrients w
Lecture 04: Chapter 3 - Digestion, Absorption and Transport
A general overview of the processes common to all nutrients
Digestion the process by which food is broken down into absorbable units
The human body plan "a tube within a tube"
The Digestive Tra
Lecture 05: Chapter 3 - Digestion, Absorption, and Transport (continued)
ABSORPTION: the passage of nutrients from the GI tract into either the blood or the
o Absorption of the products of digestion
o Absorption of the breakdown products of energy y
Lecture 06: Chapter 4 - The Carbohydrates: Sugars, Starches, and Fibers
Artificial sweeteners may reduce the ability of food to trigger physiological responses that
govern the relationship b/t eating and energy content
o In rats, reducing the correlatio
Lecture 7: Chapter 4 Carbohydrates (continued)
Youre eating chlorine (not much, but there is)
Splenda isnt metabolized by the body b/c of the presence of chlorine.
Has no use, just satisfies craving of sweet taste
Chapter 4 Carbohydrates (conclusion)
Diabetes (diabetes mellitus) is now the 6th leading cause of death in the United States.
Type 1 Diabetes (also known as insulin-dependent diabetes mellitus (IDDM) or
juvenile-onset diabetes mellitus: The p
Chapter 05 (continued)
The Lipids: Triglycerides, Phospholipids & Sterols
Roles of Triglycerides and Fatty Acids
1) The triglycerides provide the body with energy.
2) Stored fat insulates the body against cold
3) Fat acts as a shock absorber
Chapter 06 - Proteins: Amino Acids
Eating chocolate may decrease your risk of stroke, decreased risk of cardiovascular disease, and
possible anti-cancer benefits. Chocolate is rich in flavonoids, and flavonoids are believed to help
reduce the c
Chapter 6 Proteins: Amino Acids continued)
Proteins in the Body
Completion of the Human Genome Project (reported in Science and Nature on February 12,
2001) reveals that the human genome consists of some 20,000 or so genes (about the same num
Article Food Security: The Challenge of Feeding 9 Billion People
Population is going up, so the global demand for food is increasing. We need sustainable,
equitable food security
Article Could Less Mean Mean More Food?
Eat less meat for more
Chapter 07 Metabolism: Transformations & Interactions (continued)
Breaking Down Nutrients For Energy
Overall Summary: Each of the major nutrients (carbohydrates, fats, and proteins) starts down its
own path of catabolism, but these paths conv
Sample Quiz #1
1. When it comes to nutrition, more is always better.
2. The RDAs are
a. minimum requirements for essential nutrients.
b. the maximum amounts of essential nutrients that should be consumed.
c. the tolerable up