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
What role does chewing play in carbohydrate digestion?
Chewing breaks down food into smaller pieces, increasing the surface area for enzymatic action.
26
How does cooking affect carbohydrate digestibility?
Cooking can gelatinize starches, making them more digestible.
27
How do resistant starches impact carbohydrate digestibility?
Resistant starches resist digestion in the small intestine and ferment in the large intestine.
28
Name a food high in resistant starch.
Cooked and cooled potatoes.
29
How do enzymes contribute to carbohydrate digestion?
Enzymes break down carbohydrates into simpler sugars for absorption.
30
What is the role of amylase in carbohydrate digestion?
Amylase breaks down starches into maltose and dextrin.
31
How does the small intestine facilitate carbohydrate absorption?
The small intestine absorbs monosaccharides through the intestinal lining into the bloodstream.
32
What is the impact of antinutrients on carbohydrate digestibility?
Antinutrients can inhibit enzyme activity and nutrient absorption.
33
Name an antinutrient that affects carbohydrate absorption.
Phytates found in whole grains and legumes.
34
How does the rate of gastric emptying influence carbohydrate digestibility?
Slow gastric emptying prolongs digestion and absorption time.
35
What effect does the physical form of food have on carbohydrate digestibility?
Whole foods are generally digested more slowly than processed foods.
36
How do whole grains compare to refined grains in terms of carbohydrate digestibility?
Whole grains have more fiber and nutrients, leading to slower digestion and absorption compared to refined grains.
37
What is the role of the microbiome in carbohydrate digestion?
The microbiome ferments undigested carbohydrates, producing short-chain fatty acids beneficial for health.
38
How does lactose intolerance affect carbohydrate digestibility?
Lactose intolerance leads to reduced digestion of lactose, causing gastrointestinal symptoms.
39
What dietary modifications can help manage lactose intolerance?
Consuming lactose-free products or lactase enzyme supplements.
40
How can a balanced diet help maintain healthy carbohydrate metabolism?
A balanced diet provides necessary nutrients, stabilizes blood sugar levels, and supports overall health.