8 - Weight Management

Question 1

in canada, what percentage of overweight people are obese?

Answer 1

64%

Question 2

what percentage of children 5-17 are overweight or obese?

Answer 2

30&

Question 3

what percentage of indigenous adults are overweight or obese?

Answer 3

67%

Question 4

what is the medical definition of ideal weight?

Answer 4

the weight at which one’s health risk is the lowest

Question 5

what are 7 ways to evaluate body weight and composition?

Answer 5

1. height-weight charts
2. hydrostatic weighing
3. skinfold measurements
4. circumference measurements
5. electrical impedance
6. scanning methods
7. BMI

Question 6

what percentage of female weight is essential?

Answer 6

12%

Question 7

what percentage of male weight essential?

Answer 7

3%

Question 8

what are 2 types of risky fat?

Answer 8

visceral or subcutaneous

Question 9

how much does obesity reduce life expectancy by?

Answer 9

14 years

Question 10

what are some examples of energy in?

Answer 10

• food, carbohydrates, lipids, proteins

- alcohol

Question 11

what are some examples of energy out?

Answer 11

• basal metabolism
• thermogenesis
• physical activity

Question 12

what are 3 ways calories are burnt?

Answer 12

• basal metabolic rate
• thermic effect of food
• physical activity

Question 13

what percentage of energy expenditure does physical activity account for?

Answer 13

25-35%

Question 14

what percentage of energy expenditure does the thermic effect of food account for?

Answer 14

5-10%

Question 15

what percentage of energy expenditure does the basal metabolic rate account for?

Answer 15

60-65%

Question 16

is hunger physiological or not?

Answer 16

physiological

Question 17

is appetite physiological or not?

Answer 17

not always

Question 18

is satiety physiological or not?

Answer 18

physiological

Question 19

what is hunger influenced by?

Answer 19

the 12+ internal signals

Question 20

what is appetite influenced by?

Answer 20

sight, smell, thought of food

Question 21

how long does it take for your brain to receive the message that your stomach is full?

Answer 21

around 20 mins

Question 22

what are 3 causes of obesity?

Answer 22

• declining levels of physical activity
• promotion of overconsumption of calories
• lots of fast food outlets compared to grocery stores in some areas

Question 23

def: eating too many calories increases fat storage

Answer 23

food consumption

Question 24

def: high calorie, unhealthy foods are often cheap and accessible, large portion sizes

Answer 24

food production

Question 25

def: hormonal imbalances, genetics, metabolic problems

Answer 25

physiology

Question 26

def: level PA, ability to exercise

Answer 26

individual physical activty

Question 27

def: does the environment promote PA

Answer 27

environmental physical activity

Question 28

def: depression, anxiety, addiction

Answer 28

individual psychology

Question 29

def: friends and family affecting eating patterns

Answer 29

social psychology

Question 30

______ is more important than _________ for weight reduction

Answer 30

duration, intensity

Question 31

what is the minimum number of calories you should be getting a day?

Answer 31

1,200 kcal/day

Question 32

def: a serious disturbance in eating patterns or behaviors, characterized by a negative body image and concerns about body weight/fat

Answer 32

eating disorders

Question 33

what are some common features of eating disorders?

Answer 33

- dissatisfaction with body image - distorted thinking towards body - perfectionist beliefs - unreasonable demands for self-control - excessive self-criticism

Question 34

among teens, what percent of females use unhealthy behaviours?

Answer 34

50%

Question 35

among teens, what percent of males use unhealthy behaviours?

Answer 35

30%

Question 36

def: individual does not eat enough to maintain adequate body weight

Answer 36

anorexia nervosa

Question 37

what is anorexia associated with?

Answer 37

- distorted body image - intense fear of weight gain - feeling that food is the enemy - purging/over-exercising

Question 38

what are the risks associated with anorexia?

Answer 38

- amenorrhea - intolerant to cold - low BP - CV, GI, endocrine and skeletal disorders

Question 39

def: episodic binge eating followed by purging (vomiting or laxatives)

Answer 39

bulimia nervosa

Question 40

what are the characteristics of bulimia?

Answer 40

- binging, thousands of calories, in secret | - feeling ashamed, disgusted, and fearful of weight gain, purging

Question 41

what are health risks associated with bulimia?

Answer 41

- erosion of tooth enamel - damage to esophagus, stomach - dehydration - disturbed salt balance - kidney - liver - heart damage - depression

Question 42

what is an example of treatment for anorexia?

Answer 42

averting crisis by restoring body weight, addressing psychological aspects of disorder

Question 43

what is an example of treatment for bulimia and binge eating?

Answer 43

- stabilizing eating patterns - identifying and changing behaviours - improving coping skills