Exam 4 part 1

Question 1

BMI formula (Kg):

Answer 1

Weight (kg)/ Height (m^2)

Question 2

BMI formula (pounds)

Answer 2

Weight (Ib) * (703/height in.^2)

Question 3

These describe ______:

Over-fatness with adverse health effects

Officially defined as having a body mass index of 30 or higher

Answer 3

Obesity

Question 4

Body mass Index ranges:

Underweight:
Normal:
Overweight:
Obese:

Answer 4

Underweight = <18.5
Normal = 18.5 - 24.9
Overweight = 25 - 29.9
Obese = greater than or equal to 30.0

Question 5

__% of the population is overweight or obese and __% of the population is obese

Answer 5

68%

36%

Question 6

Obesity is __% genetic and __% environment

Answer 6

40%

60%

Question 7

Obese class 1 range:

Obese class 1 is considered ____ risk for waist circ

Answer 7

30-34.9

high

Question 8

Obese class 2 range:

Obese class 2 is considered _______ for waist circ

Answer 8

35-39.9

very high risk

Question 9

Cut-points for waist circumference for men and women

Answer 9

40 inches for men and 35 inches for women

Question 10

Underweight risks of high waist circ.

Answer 10

normal/low risk

Question 11

Class 3 obesity range:

class 3 obesity is considered ______ for waist circ

Answer 11

40 or higher bmi

extreme risk

Question 12

_____: Estimated Energy Requirements (Based on gender, age, physical activity, height and weight)

Answer 12

intake

Question 13

EER stands for _____ _____ ______ and was established by:

Answer 13

estimated energy requirements

Dietary reference intake comittee

Question 14

The EER is based on ____, age, _____ ____, and Height and weight

Answer 14

gender

Physical activity

Question 15

EEE stands for

Answer 15

Estimated energy expenditure

Question 16

contributors to EEE include:

Answer 16

Energy in foods and beverages

Question 17

There is/is not an easy way to determine energy expenditure

Answer 17

is not

Question 18

The body expends approx __-__% BMR

Answer 18

50-65%

Question 19

How do the following effect BMR?
Age?
Height?
Growth?
Body composition?

Answer 19

Age: Youth have higher BMR

Height: Tall people have higher BMR’s (more surface area)

Growth: Children/Pregnant women have higher BMRs

Body Comp: More lean tissue=Higher BMRs

Question 20

How do the following effect BMR?

Stress:
Environmental temperature:
Fasting/starvation

Answer 20

Stress: Stress hormones raise BMR
Environmental temperature: Adjusting to heat or cold raises BMR
Fasting/starvation: Hormones lower BMR

Question 21

Thyroxine is:

Answer 21

a Thyroid hormone that regulates BMR

Question 22

Higher Thyroxine production means lower/higher BMR

Answer 22

Higher

Question 23

The body speeds up its metabolism by _-__% when you eat (thermic effect of food)

Answer 23

5-10%. so 5-10% of energy is due to this

Question 24

BMR speeds up by __-__% due to physical activity

Answer 24

20-25%

Question 25

Benefits of of modest weight lost

Answer 25

Decreased cardiovascular risk Decreased blood and insulin levels Decreased blood pressure

Question 26

Modest weight loss decreases ___ and triglycerides and increases ___

Answer 26

LDL | HDL

Question 27

Binge eating disorder is different from bulimia nervosa in that:

Answer 27

it doesn't involve purging

Question 28

Most people with Anorexia nervosa are _____ class

Answer 28

middle-upper

Question 29

Which eating disorder is most secretive?

Answer 29

bulimia

Question 30

Causes of eating disorders include:

Answer 30

Media messages, severe food restriction in dieting, painful emotions about body perception

Question 31

______: ```  Growth ceases  Normal development falters  Loss of lean tissue • decreased metabolism  Bones weaken • Risk for osteoporosis  Internal organs suffer • Heart chamber diminish in size • Heart muscles become weak and thin • Blood pressure falls  Anemia ensues • Due to iron deficiency  Brain loses tissue • Nerves cannot function normally  Impaired immune response • Alter in blood lipids ```

Answer 31

Anorexia

Question 32

``` ______:  Fluid and electrolyte imbalance • Caused by vomiting  Urinary tract infections • Can lead to kidney failure  Vomiting • Causes irritation/infection of pharynx, esophagus, and salivary glands; erosion of teeth and dental cavities • Esophagus or stomach may rupture or tear ```

Answer 32

Bulimia

Question 33

Bulimia chain of events

Answer 33

Vomiting causes fluid and electrolyte imbalance Urinary tact infections damages kidneys

Question 34

______ • Causes irritation/infection of pharynx, esophagus, and salivary glands; erosion of teeth and dental cavities • Esophagus or stomach may rupture or tear

Answer 34

vomiting

Question 35

The female triad includes:

Answer 35

Osteoporosis, Amenorrhea (menstreual cessation), and Disordered eating.

Question 36

________: Loss of calcium from bones can lead to bone loss, which can lead to stress fractures and osteoporosis

Answer 36

Osteoporosis

Question 37

causes of death 2000: __% are due to poor diet and physical inactivity, a few more are due to smoking (approx 18%)

Answer 37

15%

Question 38

Officially obesity is defined as >__% body fat in men under 40 and __% in men over 40. Defined as >__% in women and __% in women over 40

Answer 38

22% 25% 32% 35%

Question 39

Goal weight loss in obesity is _-__% that can be maintained for _ months

Answer 39

5-10% and can be maintained for 6 months