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MBChB V Family medicine > BMI and waist circumference > Flashcards

BMI and waist circumference Flashcards

1
Q

How is BMI calculated?

A

kg/metre squared

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2
Q

Interpret a BMI of <18.5

A

Underweight

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3
Q

Interpret a BMI of 18.5 - 24.9

A

Normal

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4
Q

Interpret a BMI of 25 - 29.9

A

Overweight

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5
Q

Interpret a BMI of 30 - 34.9

A

Obese Class I

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6
Q

Interpret a BMI of 35-39.9

A

Obese Class II

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7
Q

Interpret a BMI of >40

A

Extreme obesity (class III)

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8
Q

Interpret a BMI of 12

A

Underweight

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9
Q

Interpret a BMI of 27

A

Overweight

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10
Q

Interpret a BMI of 18

A

Underweight

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11
Q

Interpret a BMI of 37

A

Obese class II

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12
Q

Interpret a BMI of 42

A

Obese class III

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13
Q

Interpret a BMI of 31

A

Obese class I

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14
Q

Interpret a BMI of 34

A

Obese class I

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15
Q

Interpret a BMI of 46

A

Obese class III

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16
Q

Interpret a BMI of 39

A

Obese class II

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17
Q

Define obesity

A

The imbalance between energy intake and expenditure

18
Q

What % of SA men are overweight/obese?

A

29%

19
Q

What % of SA women are overweight/obese?

A

56%

20
Q

What is the minimal body fat percentage in men?

A

5%

21
Q

What is the minimal body fat percentage in women?

A

8%

22
Q

What is below average body fat percentage in men?

A

5-15%

23
Q

What is below average body fat percentage in women?

A

14-23%

24
Q

What is above average body fat percentage in men?

A

16-25%

25
Q

What is above average body fat percentage in women?

A

24-32%

26
Q

What is at risk body fat percentage in men?

A

> 25%

27
Q

What is at risk body fat percentage in women?

A

> 32%

28
Q

Interpret a body fat percentage of a man of 7%

A

Below average

29
Q

Interpret a body fat percentage of a man of 16%

A

Above average

30
Q

Interpret a body fat percentage of a man of 27%

A

At risk

31
Q

Interpret a body fat percentage of a man of 5%

A

Minimal

32
Q

Interpret a body fat percentage of a woman of 8%

A

Minimal

33
Q

Interpret a body fat percentage of a woman of 16%

A

Below average

34
Q

Interpret a body fat percentage of a woman of 38%

A

At risk

35
Q

Interpret a body fat percentage of a woman of 28%

A

Above average

36
Q

Give primary causes of obesity

A

Diet

Physical inactivity

37
Q

Give secondary causes of obesity

A

Endocrine
Hypothalamic
Genetic disorder

38
Q

How do you measure weight circumference?

A

Midway top of pelvis and lower rib cage edge

BREATHE OUT

39
Q

What MUST a patient do while their waist circumference is measured?

A

Breathe out

40
Q

What is the standard male waist circumference?

A

≤94

41
Q

What is the standard female waist circumference?

A

≤80

42
Q

Increased risk for which comorbidities is increased with an increased BMI/waist circumference?

A

Type II DM
Dyslipidaemia
Hypertension
Cardiovascular disease

MBChB V Family medicine (10 decks)

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