Diabetes and Obesity Flashcards

1
Q

What is obesity?

A

Abnormal or excessive fat accumulation that may impair health

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2
Q

How is obesity measured mainly?

A

Body mass index also known as BMI

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3
Q

What is the BMI classification for adults who are underwieght?

A

Less than 18.5kg/m2

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4
Q

What is the BMI classification for adults who are a healthy weight?

A

18.5 to 25kg/m2

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5
Q

What is the BMI classification for adults who are overweight?

A

25 to 30kg/m2

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6
Q

What is the BMI classification for adults who are obese?

A

More than 30kg/m2

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7
Q

What does it mean for a child to have an over weight BMI?

A

Greater than 1 standard deviation above the WHO Growth Reference median

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8
Q

What does it mean for a child to have an obese BMI?

A

Greater than 2 standard deviations above the WHO Growth Reference median

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9
Q

Is BMI a good measure of obesity?

A

Only correlates with amount of total body fat

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10
Q

What are some other measures of obesity?

A

Fat distribution

Total and fat distribution

Body composition

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11
Q

What is fat distribution?

A

Body circumference and skin fold thickness

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12
Q

What is total and fat distribution?

A

BIA

DXA

CT

MRI

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13
Q

What is BIA?

A

Bioelectrical impedance analysis

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14
Q

What is DXA?

A

Dual X-ray absorptiometry

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15
Q

What is CT?

A

Computed tomography

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16
Q

What is MRI?

A

Magnetic resonance imaging

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17
Q

What is body composition?

A

Hydro densitometry

Air displacement

Plethysmography

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18
Q

How have childhood obesity rates changed from 1975 to 2016?

A

Increased massively

19
Q

What causes obesity?

A

Energy imbalance between calories consumed and calories expended

Increased consumption of ‘energy-dense’ food and drink

Decrease in physical activity and increase in sedentary behaviour

20
Q

What are some examples of health problems associated with obesity?

A

Diabetes

Blood pressure

CVD

Asthma

Sleep Apnea

21
Q

What is diabetes?

A

Diabetes is a condition in which the body cannot control blood sugar levels, because of problems with the hormone insulin.

22
Q

What is gestational diabetes?

A

High blood glucose that develops during pregnancy and usually disappears after giving birth

23
Q

What is type 1 diabetes?

A

An autoimmune condition

24
Q

What is type 2 diabetes?

A

Mainly lifestyle influenced

25
When does gestational diabetes occur?
Most common in 2nd or 3rd trimester
26
What are the gestational diabetes risk factors?
Obesity Previous birthweight over 4.5kg Previously had it Familial history Eithnicty
27
Which ethnicity is gestational diabetes the highest risk in?
Asian Black African-Caribbean Middle Eastern
28
What are some gestational diabetes consequences?
Macrosomia Premature delivery Pre-eclampsia Jaundice Type 2 diabetes in mother
29
What is macrosmia?
High birth weight
30
What can macrosomia lead to?
increased likelihood of induced labour or caesarean section
31
What is the pathogenesis of type 1 diabetes?
The immune system attacks the pancreatic ß cells that secrete insulin.
32
What age is most affected by type 1 diabetes?
People under 40
33
What is the treatment of type 1 diabetes?
Patients require insulin and blood glucose
34
When is peak diagnosis age for type 1 diabetes?
Between 9 and 14 years old
35
What is the cause of type 1 diabetes?
Exact cause is not known
36
What are some potential risk factors for type 1 diabetes?
Genetics Family history Viruses Other environmental factors
37
What are some consequences of type 1 diabetes?
Heart disease Nerve, kidney and eye damage Pregnancy complications
38
What is the pathogenesis of type 2 diabetes?
Chronic condition causing excess glucose in the blood.
39
What is the treatment of type 2 diabetes?
Treatment of CVD risk factors Suggested to be reversible via weight loss
40
What has happened to type 2 diabetes prevalence between 1980 and 2014?
Quadrupled
41
What are the type 2 diabetes risk factors?
Genetic predisposition Ethnicity Increased age Previous gestational diabetes Energy dense diet Low physical activity Overweight
42
What ethnicity has the highest risk of type 2 diabetes?
South Asians due to body fat distribution.
43
What are the type 2 diabetes consequences?
Heart disease Nerve, kidney and eye damage Slow healing Hearing loss Skin conditions
44