Balanced Diet; Carbohydrates Digestibility Flashcards

1
Q

What are the main components of a balanced diet?

A

Carbohydrates, proteins, fats, vitamins, minerals, fiber, and water.

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2
Q

How do macronutrients contribute to a balanced diet?

A

Macronutrients provide energy, support growth, and repair tissues.

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3
Q

Name three essential micronutrients and their functions.

A

Iron (oxygen transport), calcium (bone health), and vitamin C (immune function).

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4
Q

What is the role of carbohydrates in a balanced diet?

A

Carbohydrates are the body’s main source of energy.

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5
Q

How do proteins support body functions in a balanced diet?

A

Proteins build and repair tissues, and produce enzymes and hormones.

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6
Q

Why are fats necessary in a balanced diet?

A

Fats provide energy, support cell growth, and protect organs.

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7
Q

Name two dietary sources of complete proteins.

A

Eggs and dairy products.

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8
Q

How can vegetarians ensure a balanced intake of essential amino acids?

A

By combining different plant proteins, such as beans and rice, to provide all essential amino acids.

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9
Q

What is the recommended daily intake of fiber for adults?

A

25-30 grams per day.

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10
Q

How does water contribute to a balanced diet?

A

Water maintains hydration, aids digestion, and regulates body temperature.

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11
Q

What is the significance of vitamins in a balanced diet?

A

Vitamins are essential for metabolism, immune function, and cell and tissue maintenance.

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12
Q

How do minerals support bodily functions?

A

Minerals support bone health, fluid balance, and muscle function.

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13
Q

Name a dietary source rich in vitamin C.

A

Citrus fruits like oranges.

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14
Q

What is the role of vitamin D in a balanced diet?

A

Vitamin D aids in calcium absorption and bone health.

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15
Q

How does iron contribute to a balanced diet?

A

Iron is essential for the formation of hemoglobin and oxygen transport in the blood.

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16
Q

Name a plant-based source of calcium.

A

Fortified plant milks and leafy green vegetables.

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17
Q

What factors influence carbohydrate digestibility?

A

Fiber content, food processing, and cooking methods.

18
Q

How does fiber affect carbohydrate digestibility?

A

Fiber slows down carbohydrate digestion and absorption.

19
Q

What is the glycemic index?

A

The glycemic index measures how quickly foods raise blood sugar levels.

20
Q

How do high and low glycemic index foods affect blood sugar levels?

A

High glycemic index foods cause rapid spikes in blood sugar, while low glycemic index foods cause gradual increases.

21
Q

Name two examples of high glycemic index foods.

A

White bread and instant rice.

22
Q

Name two examples of low glycemic index foods.

A

Lentils and oats.

23
Q

How does the presence of fat affect carbohydrate digestibility?

A

Fat slows down the digestion and absorption of carbohydrates.

24
Q

How do complex carbohydrates differ from simple carbohydrates in terms of digestibility?

A

Complex carbohydrates are digested more slowly than simple carbohydrates, providing a steady release of energy.

25
Q

What role does chewing play in carbohydrate digestion?

A

Chewing breaks down food into smaller pieces, increasing the surface area for enzymatic action.

26
Q

How does cooking affect carbohydrate digestibility?

A

Cooking can gelatinize starches, making them more digestible.

27
Q

How do resistant starches impact carbohydrate digestibility?

A

Resistant starches resist digestion in the small intestine and ferment in the large intestine.

28
Q

Name a food high in resistant starch.

A

Cooked and cooled potatoes.

29
Q

How do enzymes contribute to carbohydrate digestion?

A

Enzymes break down carbohydrates into simpler sugars for absorption.

30
Q

What is the role of amylase in carbohydrate digestion?

A

Amylase breaks down starches into maltose and dextrin.

31
Q

How does the small intestine facilitate carbohydrate absorption?

A

The small intestine absorbs monosaccharides through the intestinal lining into the bloodstream.

32
Q

What is the impact of antinutrients on carbohydrate digestibility?

A

Antinutrients can inhibit enzyme activity and nutrient absorption.

33
Q

Name an antinutrient that affects carbohydrate absorption.

A

Phytates found in whole grains and legumes.

34
Q

How does the rate of gastric emptying influence carbohydrate digestibility?

A

Slow gastric emptying prolongs digestion and absorption time.

35
Q

What effect does the physical form of food have on carbohydrate digestibility?

A

Whole foods are generally digested more slowly than processed foods.

36
Q

How do whole grains compare to refined grains in terms of carbohydrate digestibility?

A

Whole grains have more fiber and nutrients, leading to slower digestion and absorption compared to refined grains.

37
Q

What is the role of the microbiome in carbohydrate digestion?

A

The microbiome ferments undigested carbohydrates, producing short-chain fatty acids beneficial for health.

38
Q

How does lactose intolerance affect carbohydrate digestibility?

A

Lactose intolerance leads to reduced digestion of lactose, causing gastrointestinal symptoms.

39
Q

What dietary modifications can help manage lactose intolerance?

A

Consuming lactose-free products or lactase enzyme supplements.

40
Q

How can a balanced diet help maintain healthy carbohydrate metabolism?

A

A balanced diet provides necessary nutrients, stabilizes blood sugar levels, and supports overall health.