Nutrition Science Ch. 9
Terms in this set (56)
Being overweight can increase your risk of:
a) heart disease
d) all the above
All of the above.
Joe has a BMI of 24. He is considered:
c) at a healthy weight
At a healthy weight.
Central obesity refers to...
the accumulation of excess fat in your stomach area.
Your basal metabolic rate (BMR) refers to...
the amount of energy expended to meet you basic physiological needs.
It is getting near to lunch time and you start to feel hungry. This may be due to the release of_________ by your stomach.
What is a safe rate of weight loss on a long-term basis for most overweight people?
0.5 to 2 pounds per week
Herbal supplements used for weight loss...
can cause serious side effects including death.
Which of the following statements is true?
a) The less you weigh the better it is for your health.
b) If you are too fat, it is because you eat too much.
c) Any food can make you fat, even carrot sticks, it you eat too much of it.
d) Basal metabolism contributes only a small percentage of a person's daily energy output.
Any food can make you fat, even carrot sticks, it you eat too much of it.
Typically, an estimate of basal metabolic rate does not include data on...
a) distribution of fat tissue.
e) a and b above
Distribution of fat tissue.
The thermic effect of food...
decreases one's basal metabolic rate.
A drug currently used in the treatment of obesity...
a) lowers leptin levels.
b) inhibits lipase activity.
c) enhances fiber absorption.
d) increases calorie expenditure.
inhibits lipase activity.
Michaela wanted to lose weight. She planned a diet with 500 fewer calories per day than her daily calorie expenditure. She should expect to lose weight at the rate of...
one pound per week.
With weight loss, fat cells...
decrease in size only.
Obesity is caused by...
Where do people live the longest/healthiest? And what are these locations called?
Okinowa, Japan; Sardinia, Greece; Low Melinda, California. These are known as blue spots or hot spots.
What is different about the Low Melinda super market?
It does not have a meat section.
How much exercise should one get a week?
150 minutes per week.
What hormone/protein regulates carbohydrates?
Diabetes results when..
insulin does not work properly.
What does insulin do to regular carbohydrates?
Pushes sugars out of the blood and into the cells (regulates blood sugar- lowers it when it gets too high).
We store a (blank) amount of carbohydrates.
Where are carbohydrates stored?
Muscles and the liver (it is stored as sugar).
What type of sugar are carbohydrates stored as?
What happens to excess carbohydrates?
They are turned into fat.
We have an endless capacity to store...
Fat is also known as...
Excess protein is turned...
to fat as well.
Energy intake vs. energy expenditure
Basil metabolic rate factors:
Lowering caloric intake will lead to:
What happens when we lose weight?
Our basil metabolic rate drops too. Therefore, we use less energy.
What happens if we lose weight and don`t increase our physical activity and/or lower our caloric intake?
We will gain weight.
When we re-gain weight it occurs...
quicker and we often gain more of it (fat).
Why do we gain weight quickly and hold on to it more after weight loss?
The body goes into adaption/survival mode.
How long does it take to lose actual fat?
What do you lose first when attempting to lose weight?
Water (up to 14 lbs.)
What do you lose second when you are attempting to lose weight?
The body then breaks down muscle (cannibalizes what the body is made up of).
When does the body stop breaking down muscle (during attempted weight loss)?
When the brain fears that the body will lose organ function.
What happens after the body stops breaking down muscle?
Fat is broken down.
What is yo-yo dieting?
Lose water/muscle; stop dieting/exercise and gain more weight than you had before (storage).
When does the body begin to show signs of aging?
35 years old.
18.5-24.9 = normal weight
25-29.9 = overweight
30 or greater= obese
Which U.S. state has the highest level of obesity?
BMI of 40 or more
BMI of 60 or more
Is BMI an accurate calculation for everyone?
Whites (not as much for other races); it is still used though.
What percent of U.S. adults are dangerously overweight?
Why do people who are trying to lose weight eat high fiber foods and drink a lot of water?
Keeps you fuller.
Women with a BMI under what cannot reproduce (eggs are not produced)?
16 or 17
What type of fat is the most dangerous?
Why is intro-abdominal obesity or visceral fat dangerous?
Toxic to the inside of our body: causes inflammation throughout the body; changes our metabolism.
True or false: scales tell us a lot about our body composition.
What chemical in the body tells us to stop eating?
What chemical in the body tell us to keep eating?
Why do people usually overwhelm the production of leptin?
Because they eat too fast so they miss the signals to stop eating.
What are two types of medical surgeries for obesity?
Gastric bypass (part/most of the stomach is removed); gastric bonding (a band it put around the top half of the stomach to restrict how much the individual can eat).