90 Questions
What are the seven essential groups that constitute a healthy diet?
Proteins, Carbohydrates, Fats and Oils, Vitamins, Minerals, Fibre, and Water
What is the primary function of carbohydrates in the body?
To provide energy to the body
What are healthy fats found in?
Olive oil, canola oil, and sardines
What is the role of vitamins in the body?
To help in various chemical reactions
What is the importance of proteins in the body?
To build and repair body cells and tissues
What are plant-based sources of protein?
Soya beans, peas, beans, nuts, and seeds
What is the function of fibre in the body?
Non-digestible carbohydrates
What is the importance of water in a healthy diet?
One of the seven essential groups that constitute a healthy diet
What is the role of vitamins in the body, according to Vitamin A?
To strengthen the immune system and support eyesight
What should be done when consuming carbohydrates?
Moderate the intake of processed carbohydrates
Where does the majority of digestion and nutrient absorption occur?
Small Intestine
What is the primary function of the large intestine?
To absorb water and salts from indigestible food matter
What is the function of villi and microvilli in the small intestine?
To increase the surface area for absorption
What is the process that moves food through the alimentary canal?
Peristalsis
Which enzyme breaks down carbohydrates?
Amylase
What is the primary location for nutrient absorption?
Small Intestine
What is the process of expelling undigested and unabsorbed food from the body?
Egestion
What is the role of enzymes in digestion?
To break down nutrients
What is stored in the rectum?
Feces
Which of the following is NOT a function of the small intestine?
Storage of feces
What is the main function of vitamin C in the human body?
Keeping skin and gums healthy and boosting the immune system
Which mineral is essential for strong bones and teeth?
Calcium
What is the main function of fibre in the human body?
Maintaining regular bowel movements and preventing constipation
What is the approximate percentage of water in the human body?
50%
What is the purpose of the starch test in food testing?
Identifying the presence of starch
What is the result of poor dietary choices?
Health issues such as obesity, malnutrition, and chronic diseases
What is the name of the process that transforms food into small molecules that can be absorbed and transported to the body's cells?
Digestion
What type of digestion occurs in the mouth?
Both mechanical and chemical digestion
What is the function of the oesophagus in the alimentary canal?
Moving food from the mouth to the stomach through peristalsis
What is the function of gastric juices in the stomach?
Secreting enzymes and hydrochloric acid to facilitate chemical digestion
What is the primary function of vitamin D in the body?
Building strong bones and teeth
Which of the following is a source of magnesium?
Bananas and nuts
What is the primary function of fibre in the diet?
Maintaining regular bowel movements and preventing constipation
What is the purpose of the emulsion test in food testing?
To detect the presence of fats and oils
What is the main function of proteins in the human body?
To build and repair body cells and tissues
What is the result of not drinking enough water daily?
Dehydration and poor bodily functions
Why is it important to moderate the intake of processed carbohydrates?
Because they can lead to health problems if consumed excessively
Which part of the alimentary canal is responsible for mechanical digestion?
Stomach
What type of digestion occurs in the stomach?
Both mechanical and chemical digestion
What is the role of fats and oils in the body?
To protect and insulate organs, and absorb and transport certain vitamins
What is the function of vitamin A?
To strengthen the immune system and aid eyesight
What is the function of the oesophagus in the alimentary canal?
To move food from the mouth to the stomach
What is the consequence of poor dietary choices?
Obesity, malnutrition, and chronic diseases
What are some sources of healthy fats?
Olive oil, canola oil, and sardines
What percentage of the human body is composed of water?
50%
Why is water an essential component of a healthy diet?
Because it helps in the elimination of waste products
What is the importance of including foods from all seven essential groups in a healthy diet?
To ensure the body gets a balanced mix of all nutrients
What are some plant-based sources of protein?
Soya beans, peas, beans, nuts, and seeds
What is the primary energy source for the body?
Carbohydrates
Why is it important to consume fats in moderation?
Because they can lead to health problems if consumed excessively
What is the primary function of enzymes in digestion?
To break down nutrients into smaller molecules
What is the role of the small intestine in the digestive system?
To break down proteins, fats, and carbohydrates with the aid of enzymes and bile
What is the function of the rectum in the digestive system?
To store feces until they are expelled through the anus
What is the result of the processes of peristalsis in the digestive system?
Food is propelled through the alimentary canal
Which enzyme breaks down fats in the digestive system?
Lipase
What is the primary function of the large intestine in the digestive system?
To absorb water and salts from indigestible food matter
What is the process of nutrient absorption primarily occurring in?
Small intestine
What is the role of villi and microvilli in the small intestine?
To increase the surface area for nutrient absorption
What is the process of expelling undigested and unabsorbed food from the body?
Egestion
Which enzyme breaks down proteins in the digestive system?
Protease
What is the primary function of proteins in building and repairing body cells and tissues?
To facilitate chemical reactions in the body
Why is it essential to include foods from all seven essential groups in a healthy diet?
To maintain proper body function and overall health
What is the importance of vitamins in the body, besides being essential for various chemical reactions?
They strengthen the immune system and promote healthy eyesight
Why is it crucial to moderate the intake of processed carbohydrates?
To prevent an excessive spike in blood sugar levels
What is the primary role of fats and oils in the body, besides providing energy?
To protect and insulate organs
What is the importance of fibre in a healthy diet, besides being a non-digestible carbohydrate?
It promotes digestive health and regular bowel movements
What is the primary function of water in a healthy diet?
To maintain proper bodily functions and overall health
Why is it essential to consume healthy fats in moderation?
To prevent an excessive accumulation of fat in the body
What is the primary importance of including a variety of nutrients and substances in a healthy diet?
To maintain proper bodily functions and overall health
What is the consequence of not including foods from all seven essential groups in a healthy diet?
Impaired bodily functions and overall health
What is the primary function of vitamin C in the human body?
Keeping skin and gums healthy and boosting the immune system
What is the main function of magnesium in the human body?
Important for strong bones, teeth, and muscles
What is the primary function of the alimentary canal?
To facilitate the digestion and absorption of food
What is the result of poor dietary choices?
Conditions such as obesity, malnutrition, and chronic diseases
What type of digestion occurs in the mouth?
Both mechanical and chemical digestion
What is the purpose of the starch test in food testing?
To identify the presence of starch
What is the primary function of calcium in the human body?
Essential for strong bones and teeth
What is the main function of the stomach in the alimentary canal?
To further the process of chemical digestion through gastric juices
What is the approximate percentage of water in the human body?
More than 50%
What is the primary function of sodium in the human body?
Regulates water in the blood and aids muscle and nerve function
What is the primary function of the enzymes amylase, protease, and lipase in the digestive system?
To break down carbohydrates, proteins, and fats
What is the primary location where the process of absorption occurs?
Small intestine
What is the significance of peristalsis in the digestive system?
It ensures the progression of food through the alimentary canal
What is the primary function of the large intestine?
To absorb water and salts from remaining indigestible food matter
What is the significance of villi and microvilli in the small intestine?
They increase the surface area for absorption
What is the result of the process of absorption in the small intestine?
Nutrients are transported to cells through the bloodstream
What is the function of the rectum in the digestive system?
To store feces until defecation
What is the primary function of enzymes in the digestive system?
To break down nutrients into smaller molecules
What is the process of expelling undigested and unabsorbed food from the body?
Egestion
Where do the enzymes amylase, protease, and lipase receive their target nutrients from?
Pancreas and liver
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