5 Flashcards
(36 cards)
What are the two main types of lipids?
Animal fats and vegetable fats
Examples include milk and meat for animal fats, and oils and avocados for vegetable fats.
What is the role of vitamins and minerals in nutrition?
Essential for various bodily functions
Found in fruits, vegetables, and meats.
What test is used to detect sugar/glucose?
Benedict’s test
It involves adding Benedict’s solution to a food sample and heating it.
What is the iodine test used for?
Testing for starch
A color change from yellow to blue/black indicates the presence of starch.
What is the Biuret test used for?
Testing for proteins
It involves adding Biuret solution to a food sample and observing color changes.
What indicates that starch is present in a sample during the iodine test?
Color change from yellow to blue/black
This indicates the presence of long chains of sugar molecules.
What color change occurs in Benedict’s test if sugar is present?
Blue to red
The intensity of the color change indicates the amount of sugar present.
What are the primary functions of proteins in the body?
Energy, growth, and repair
Proteins are crucial for muscle repair and the production of antibodies.
What is a common deficiency disease associated with Vitamin A?
Night blindness
This condition affects vision in low light.
What deficiency disease is linked to Vitamin D?
Rickets
This condition is characterized by weak or soft bones due to calcium deficiency.
What symptoms are associated with scurvy?
Weakness and fatigue
Scurvy is caused by a deficiency in Vitamin C.
What is the process of mechanical digestion?
Involves physical breakdown of food
Includes actions like chewing and peristalsis.
What is the role of saliva in digestion?
Starts chemical digestion
Saliva contains enzymes that begin breaking down food.
What enzyme is responsible for protein digestion in the stomach?
Pepsin
Pepsin is activated in the acidic environment of the stomach.
What is peristalsis?
Wave-like muscle contractions in the digestive tract
It helps move food through the digestive system.
Fill in the blank: The primary purpose of carbohydrates in nutrition is to provide _______.
Energy
True or False: Kwashiorkor is a condition related to protein deficiency.
True
It is characterized by swelling and a distended abdomen.
What condition is caused by a deficiency of iron?
Anemia
Anemia results in a lack of red blood cells.
What are the two main types of lipids?
Animal fats and vegetable fats
Examples include milk and meat for animal fats, and oils and avocados for vegetable fats.
What is the role of vitamins and minerals in nutrition?
Essential for various bodily functions
Found in fruits, vegetables, and meats.
What test is used to detect sugar/glucose?
Benedict’s test
It involves adding Benedict’s solution to a food sample and heating it.
What is the iodine test used for?
Testing for starch
A color change from yellow to blue/black indicates the presence of starch.
What is the Biuret test used for?
Testing for proteins
It involves adding Biuret solution to a food sample and observing color changes.
What indicates that starch is present in a sample during the iodine test?
Color change from yellow to blue/black
This indicates the presence of long chains of sugar molecules.
