Nutrition Ch. 9

Question 1

What are the factors that determine a healthy weight?

Answer 1

appropriate for age, maintained without constant dieting, acceptable to you, based on family history, etc.

Question 2

definition of healthy weight?

Answer 2

lowest risk for early death

Question 3

What are the principles of energy balance?

Answer 3

To maintain a good weight your calories consumed should equal your calories burned or expelled. If more food is eaten and less exercise then it results in weight gain.

Question 4

What factors impact BMR?

Answer 4

Genetics, age, height, growth etc.

Question 5

What factors impact how many calories we can burn?

Answer 5

1. BMR
2. Voluntary activities
3. thermic effect of food

Question 6

What is BMI and what are limitations?

Answer 6

body mass index or your average weight for your height. Limitations come if your an athlete and have a lot of muscle, prego women, under 20, over 65.

Question 7

What is the BMI Calculation?

Answer 7

Weight/in^2x703

Question 8

What are shapes of obesity?

Answer 8

Apple and pear. apple is worse because of the central obesity above the waste, common in men. 40 in or higher in men is high risk and 35 in. or higher in women is high risk.

Question 9

methods for measuring muscle and fat tissue?

Answer 9

1. Anthropometircs: skin folding (least acurate)
2. Conductivity: Bioelectrical impedance
3. Density: Underwater weighing
4. Dexa: Dual Energy X-ray Absorptiometry (most)

Question 10

what are appropriate body fat ranges?

Answer 10

Men: 12-22% body fat
Women: 20-32%

Question 11

essential components of a weight loss program?

Answer 11

• appropriate diet
• physical activity
• long term behavior modification

Question 12

what strategies can help with weight loss?

Answer 12

-plan for long term
- team up
-be realistic
-set goals
-keep records
etc.

Question 13

what do weightloss meds do?

Answer 13

-suppress apetite
-block absorption of fat
-reduces taste sensation
USE CAUTION

Question 14

3 types of weightloss surgery?

Answer 14

1. Vertical banded gastroplasty- band and stapled
2. Gastric by-pass: disconnect stomach
3. Gastric banding: makes small pouch so food takes longer to get through to stomach making you fell fuller

Question 15

Surgery considerations:

Answer 15

• BMI 40 or higher
• 1 in 200 die after surgery
• diet changes

Question 16

types of eating disorders?

Answer 16

1. Anorexia nervosa: peopel think they are too fat when really they are severely undernourished. media is big factor
2. Bulimia Nervosa: Bing eating and then extreme measures to get rid of calories
3. Binge eating disorder: when diets are over binging takes place. feeling of lack of control.
4. Muscle Dysmorphia (men): men dont think they are big enough so they go through harsh measures to get that way.