Spotlight A: Diabetes Flashcards

1
Q

What two hormones are secreted by the pancreas

A

Glucagon: Releases stored glycogen as glucose (raises blood sugar)

Insulin: lowers blood sugar

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2
Q

Define glycemic index

A

Ranks food on a scale from 1 to 100 based on their effect in blood-sugar levels

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3
Q

What are resistant starches?

A

“Trapped” within the structure of the food particles
Difficult to digest
A non-digestible starch

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4
Q

Define prediabetes

A

Increased risk for Type 2, heart disease and stroke

Treatment: Lifestyle strategies, weight control, physical activity, dietary modifications

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5
Q

Define Type 1 diabetes

A

Autoimmune disease

  • Destroys insulin producing cells in pancreas
  • Causes hyperglycemia (high blood sugar)
  • fatty acids are released from adipose tissues to use as energy but cannot be used in the brain

Can cause ketoacidotic coma

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6
Q

Define type 2 diabetes

A

Cells are less sensitive to the effects of insulin (even if pancreas produces insulin)

Risk factors: Obesity, low physical activity, genetics and lifestyle

Most common type of diabetes

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7
Q

Diabetes symptoms

A
  • Fatigue
  • Blurred vision
  • Kidneys excrete the extra glucose through the urine
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8
Q

Medication treatment for diabetes

A

Insulin (injection or pump)

Meter: glucose monitoring

Track food choices and activity

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9
Q

Type 2 treatment

A

Changes in diet
Increase physical activity
Maintain healthy body weight

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10
Q

Diet for diabetes

A
  • Count carbs
  • Lower fat intake (less than 7% of total calories from saturated fats)
  • Limit trans fats
  • Increase physical activity (improves insulin sensitivity so you are more sensitive to insulin making it more effective)
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11
Q

Complications of diabetes

A

Damage to:

  • heart
  • blood vessels
  • kidneys
  • eyes
  • nerves
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12
Q

Levels for prediabetes

A

Early insulin resistance

Fasting glucose = 100 to 125 mg/dL

Oral glucose tolerance test: 140 to 199 mg/dL

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13
Q

Type 2 levels

A

Fasting: greater than 125 mg/dL

Oral glucose tolerance test: greater than 200 mg/dL

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14
Q

Common words used for sugar on ingredients lists

A

Dextrose
Maltose
Sucrose
Fructose

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15
Q

Identify sugar alcohols

A

Sorbitol
Mannitol
Xylitol

Can cause laxative effects in large amounts

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16
Q

Why are sugar alcohols safe for teeth?

A

They kill bacteria the erode enamel