The nutritionHSC 1100 Exam 3 facts (daily allowances) in our current food label are based on a
daily diet consisting of how many calories (total)? - Answers 2,000 calorie diet
What are the 3 main sources of energy for our body mentioned in class, listed in the order in
which the body tends to use them (favorite to least favorite)? Which one is considered an
expensive source of energy? Why? What is the favorite way that our body stores excess(unused)
energy? - Answers 1. Carbohydrates, fats, & proteins
2. Proteins, because they are harder for the body to break down.
3. The body stores energy in fat (think of a camels hump)
What is a "food desert" zone, according to our textbook? - Answers Low income areas where
more than 500 people or 33% of the population have low access to a super market or large
grocery stores
What are the main functions of: water, carbohydrates, fats, & proteins in our body? - Answers
Water:
-Digests, absorbs,& transports nutrients
-Helps regulate body temperature
-Carries waste out of the body
-Lubricates our body parts
Carbs:
-Fuel most of the body's cells during daily activities
-Used by muscle cells during high-intensity exercise
-Only source of energy for brain cells, red blood cells, and some other types of cells
Fats:
-Provide essential fatty acids
-Role in the production of other fatty acids and Vitamin D
-Provide the major material for cell membranes and for the myelin sheaths that surround nerve
fibers
, -Assist in absorption of fat-soluble vitamins
-Affect texture, taste, and smell of foods
-Provide emergency reserve when we are sick or when our food intake is diminished
Proteins:
-Build and maintain muscles, bones, and other body tissues
-Form enzymes that facilitate chemical reactions
-Constructed from 20 different amino acids
What does it mean when your textbook (& slides) refer to some nutrients as: "essential
nutrients"? - Answers Elements in food that are essential for growth, repair, and energy. They are:
water, carbohydrates, proteins, fats, vitamins, & minerals
What are all of the components of physical fitness mentioned in your textbook and slides
(discussed in class)? - Answers Ability of the body to respond to any physical demands
What is cardio-respiratory fitness and how is it achieved? - Answers Ability of the heart and
lungs to efficiently deliver oxygen and nutrients to the body's muscles and cells via the
bloodstream
Define aerobic exercise & anaerobic exercise - Answers Aerobic exercise-is any activity in which
the amount of oxygen taken into the body is slightly more than, or equal to, the amount of
oxygen used by the body.
Anaerobic exercise-is any activity in which the amount of oxygen taken in by the body cannot
meet the demands of the activity; there is an oxygen deficit that must be made up later.
What is flexibility? - Answers Flexibility-the ability of joints to move through the full range of
motion
How do you calculate your target heart rate? What is the advantage of using it as a guide in your
aerobic workouts? What is a "talk test'? - Answers 1. To find maximum heart rate (MHR),
subtract age from 220
2. You can determine the intensity of your workout by your heart rate.
3. If you can talk during your workout, you're not exercising hard enough. If you can talk at all