Podcast
Questions and Answers
Which vitamin is essential for blood clotting and works with calcium and phosphorus in bone health?
Iron is vital for oxygen transport in the blood.
True
Name two plant-based sources of fat.
Nuts, Plant oils
Calcium-rich foods include __________ and cheese.
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Match the mineral to its function.
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Which of the following fibers is known for being wrinkle resistant?
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Acrylic fibers are highly absorbent.
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What is the primary environmental advantage of regenerated cellulose fibers?
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Bamboo rayon drapes like _____ and is soft and non-irritating.
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Match the fiber with its notable characteristic:
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What property does polyester NOT have?
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All cellulose fibers are resistant to shrinking.
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Name one undesirable property of acetate rayon.
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Which of the following is NOT a desirable property of wool?
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Nylon is _____ and keeps its shape well.
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Which fiber is created to replicate wool?
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Cotton fibers can shrink when washed.
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What natural fiber is linen made from?
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Silk must be washed in ______ water or dry-cleaned.
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Match the properties with the correct fabric:
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Which fiber is known for its poor resilience and can mildew?
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Silk builds up static electricity easily.
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What undesirable property is common to both cotton and linen?
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Study Notes
Regenerated Cellulose Fibres
- Viscose Rayon is made from wood pulp or cotton linters through a chemical process.
- Viscose Rayon forms a thick syrup, referred to as "viscous", which is passed through spinnerets to create the fibre.
- Viscose Rayon can be environmentally friendly when using a closed-loop system, which involves recycling materials.
- Lyocell is created from pulp extracted from hardwood trees.
- Lyocell possesses properties similar to cotton, linen, and viscose rayon. Its versatility allows for a wide range of fabric textures and blends.
- Bamboo is produced by crushing the woody components of the bamboo plant.
- Bamboo has a silk-like feel and is durable, soft, absorbent, wrinkle-resistant, and can be tumble dried.
- Acetate Rayon has a rich silk-like appearance.
Non Cellulosic Synthetic Fibres
- Polyester is non-allergenic.
- Nylon is extremely strong, elastic, and maintains its shape well. It is also resilient and wrinkle-resistant.
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Acrylic was designed to mimic the qualities of wool.
- It does not shrink or stretch if washed in lukewarm water.
Blends
- Blending different fibres combines their positive attributes and minimizes negative traits, resulting in improved fabric quality.
Fats & Lipids
- Provide energy for the body.
- Protect internal organs.
- Contain fat-soluble vitamins (A, D, E, K).
- Supply essential fatty acids.
- Sources: butter, cream, fatty bacon, plant oils (canola, sunflower, olive, peanut), margarines, mayonnaise, salad dressings, nuts.
Minerals
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Calcium plays a crucial role in building and maintaining strong bones and teeth. It is essential for blood clotting and acts as a calcium reservoir for the body.
- Sources: sardines with bones, milk, yogurt, tofu, cheese.
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Phosphorus contributes to strong bones and teeth, works with calcium and Vitamin D, and helps maintain cells and tissues.
- Sources: milk and milk products, meat, fish, chicken, eggs.
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Iron is a key component of hemoglobin found in red blood cells, which carries oxygen throughout the blood.
- Sources: Lean red meat, game meat, liver, eggs (especially egg yolks), dried beans, dried fruits, fortified cereals, parsley, strawberries.
Water
- Vital for flushing toxins from vital organs and transporting nutrients to cells.
- Creates a moist environment for ear, nose, and throat tissues.
- Essential for cell function, blood cell transport, nutrient and waste product transport, joint lubrication, and body temperature regulation.
- Aim for 6-8 glasses of water daily to prevent dehydration.
Vitamins
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Vitamin B plays a crucial role in metabolism (energy release from food) and cell growth.
- Sources: fish, poultry, meat, eggs, dairy products.
Cotton
- Derived from seed pods.
Linen
- Produced from the flax plant.
Wool
- Utilizes the hair of various animals, often with a short fibre length.
Silk
- Secreted by silkworms during cocoon construction, known for a luxurious feel.
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Description
Test your knowledge on regenerated cellulose fibres like Viscose Rayon, Lyocell, and Bamboo, as well as non-cellulosic synthetic fibres like Polyester and Nylon. This quiz covers their properties, production methods, and environmental considerations. Challenge yourself and learn more about these important materials in the textile industry.
