Obesity: Understanding Body Mass Index (BMI)

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Questions and Answers

What is the formula to calculate Body Mass Index (BMI)?

  • height (m) / weight (kg)
  • weight (kg) / height squared (m2) (correct)
  • height squared (m2) / weight (kg)
  • weight (kg) / height (m)

A person with a BMI of 32.5 is classified as:

  • Healthy weight
  • Class II obese (correct)
  • Class III obese
  • Class I obese

Which of the following is NOT a risk associated with being overweight or obese?

  • Osteoporosis (correct)
  • Gallbladder disease
  • Osteoarthritis
  • Hypertension

What is the primary cause of obesity?

<p>Energy imbalance over a long period of time (A)</p> Signup and view all the answers

What is the BMI range for a person to be classified as underweight?

<p>Below 18.5 (A)</p> Signup and view all the answers

What is a complication of pregnancy associated with obesity?

<p>Urine leakage caused by weak pelvic-floor muscles (C)</p> Signup and view all the answers

What is the result when calories consumed are greater than calories used?

<p>Weight gain (A)</p> Signup and view all the answers

What is a consequence of negative attitudes towards obese individuals?

<p>Avoidance of medical care (D)</p> Signup and view all the answers

What is a characteristic of binge eating disorder?

<p>Eating a large amount of food in a short period (A)</p> Signup and view all the answers

How often must binge eating episodes occur to be classified as binge eating disorder?

<p>2 days a week for 6 months (C)</p> Signup and view all the answers

What is a strategy to prevent obesity?

<p>Assessing and changing your behavior and environment (D)</p> Signup and view all the answers

What is a consequence of weight bias for individuals with binge eating disorder?

<p>Poor self-esteem and depression (D)</p> Signup and view all the answers

What is the primary factor that determines an individual's body mass index (BMI)?

<p>Height and weight (B)</p> Signup and view all the answers

Which of the following health risks is NOT associated with being overweight or obese?

<p>Osteoporosis (B)</p> Signup and view all the answers

What is the term for the presence of excess body or facial hair in individuals?

<p>Hirsutism (B)</p> Signup and view all the answers

What is the classification of an individual with a BMI of 38.5?

<p>Class III obesity (A)</p> Signup and view all the answers

What is the term for the urine leakage caused by weak pelvic-floor muscles?

<p>Stress incontinence (D)</p> Signup and view all the answers

Which of the following is a consequence of negative attitudes towards obese individuals?

<p>Psychological disorders (A)</p> Signup and view all the answers

What is a consequence of frequent binge eating episodes?

<p>Marked distress (C)</p> Signup and view all the answers

Which of the following is an example of relational forms of weight bias?

<p>Teacher bias (A)</p> Signup and view all the answers

What is a characteristic of an episode of binge eating?

<p>Eating a large amount of food in a discrete time period (A)</p> Signup and view all the answers

What is a consequence of weight bias on individuals with obesity?

<p>Avoidance of medical care (A)</p> Signup and view all the answers

What is a criterion for diagnosing binge eating disorder?

<p>Frequency of 2 days per week for 6 months (A)</p> Signup and view all the answers

What is an example of a stereotype leading to weight bias?

<p>Obese individuals are lazy (C)</p> Signup and view all the answers

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Study Notes

What is Obesity?

  • Body Mass Index (BMI) is calculated by dividing weight (kg) by height squared (m2)
  • BMI is significantly correlated with total body fat content
  • BMI categories:
    • Underweight: < 18.5
    • Healthy Weight: 18.5 - 24.9
    • Overweight: 25.0 - 29.9
    • Obese: ≥ 30.0

Classes of Obesity

  • Class I Obesity: BMI 30.0 - 34.9
  • Class II Obesity: BMI 35.0 - 39.9
  • Class III Obesity (Extreme Obesity): BMI ≥ 40.0

Risks of Obesity

  • Higher risk of morbidity from:
    • Hypertension
    • Dyslipidemia
    • Type 2 Diabetes
    • Coronary Heart Disease
    • Stroke
    • Gallbladder Disease
    • Osteoarthritis
    • Sleep apnea
    • Certain cancers (endometrial, breast, prostate, colon)
  • Associated with:
    • High blood cholesterol
    • Stress incontinence
    • Complications of pregnancy
    • Menstrual irregularities
    • Hirsutism (excess body facial hair)
    • Psychological disorders (depression)
    • Increased surgical risk

Causes of Obesity

  • Energy imbalance over a long period of time
  • Energy in > Energy out
  • Excess calories and lack of physical activity

Negative Attitudes Toward Obese Individuals

  • Stigma
  • Rejection
  • Prejudice
  • Discrimination
  • Verbal, physical, and relational forms
  • Peer teasing
  • Teacher bias

Response to Weight Bias

  • Poor self-esteem
  • Depression
  • Avoidance of medical care
  • Overeating/Binge eating
  • Physical inactivity
  • Binge Eating Disorder (BED)

Binge Eating Disorder (BED)

  • Recurrent episodes of binge eating
  • Eating an amount of food that is definitely larger than most people would eat in a similar period of time
  • Sense of lack of control during episodes
  • Marked distress about binge eating
  • Frequency of at least 2 days per week for 6 months
  • Does not occur only during bulimia nervosa or anorexia nervosa

Strategies to Prevent Obesity

  • Assessing behavior and environment
  • Adopting healthy habits
  • Other behaviors that help prevent obesity

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