ACTUAL QUESTIONS AND CORRECT
ANSWERS
Health risks associated with being overweight and/or obese - CORRECT ANSWER Alzheimer
disease, stroke, heart disease, hypertension, fatty liver disease, gallstones, type 2 diabetes, arthritis,
gout, sleep apnea, gastroesophageal reflux, increased risk of some cancers, infertility in women,
miscarriage, birth defects, erectile dysfunction in men
Current state of obesity in the US - CORRECT ANSWER 40 % of adults are obese, 70% of
adults are overweight and 18.5% of youth are obese
Current state of obesity worldwide - CORRECT ANSWER 13% of people are obese; as
countries become more affluent, obesity rises; people also live more sedentary lifestyles than once
before
What is obesity? - CORRECT ANSWER has excess body fat and a BMI >30; a skinny person
can have excess fat but not be obese, a body builder can have a BMI > 30 but not be obese
When is someone classified as "overweight"? - CORRECT ANSWER too much weight for his
or her height; a muscular person can a weight too high for frame but not be "over-fat"
Number of calories needed to meet minimum nutrition requirements - CORRECT
ANSWER Minimum number of calories to meet all the rdas is 1200kcal/day for women and
1500kcal/day for men >19 years
What is BMR? - CORRECT ANSWER basal metabolic rate; the largest factor in determining
overall metabolic rate and how many calories you need to maintain, lose or gain weight; the amount
of energy expended at basal metabolism of a fixed period
What is the thermic effect of food? - CORRECT ANSWER amount of energy used to digest,
absorb, and metabolize nutrients
What is non-exercise activity thermogenesis (NEAT)? - CORRECT ANSWER activities that
are not sleeping or exercise; house chores
, What is energy balance? - CORRECT ANSWER energy in = energy out, maintenance
What is negative energy balance? - CORRECT ANSWER energy in < energy out, weight loss
What is positive energy balance? - CORRECT ANSWER energy in > energy out, weight gain
Explain how the BMI is used and when it is not used - CORRECT ANSWER - Good predictor
of weight status and therefore disease risk; as BMI increases, risk for chronic disease increases
- Not accurate for individual that have high muscle mass compared to height (body builders)
- BMI cannot determine body composition, it is a predictor of weight status
What is body composition? - CORRECT ANSWER a measure of fat and fat-free mass (water,
muscle, bone, skin, etc.)
What is subcutaneous fat? - CORRECT ANSWER fat directly underneath skin, stored in
extremities, hips, butt, and thighs
What is visceral fat? - CORRECT ANSWER fat in abdominal area that surrounds the body's
internal organs; harmful to health, central obesity is an independent risk factor for disease risk
What is waist circumference? - CORRECT ANSWER better predictor of disease risk than BMI,
the higher the value = increased risk, women >35; men>40
What are adipocytes? - CORRECT ANSWER body's fat cells
What is WAT? - CORRECT ANSWER white adipose tissue, stores excess energy and releases
fatty acids when needed
What is BAT? - CORRECT ANSWER brown adipose tissue burns fatty acids and glucose to
create heat (shivering)