AY Honors/Digestion/Answer Key/es

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1

Tener la especialidad de Nutrición.


Para consejos e instrucciones, véase Nutrición.


2

Mantener un registro de qué y cuánto alimento usted consume durante dos semanas. Comparar su dieta a la de la pirámide alimenticia.



3

¿Qué es la digestión? ¿Cuál es otro nombre para el sistema digestivo humano?



4

¿De dónde provienen de la saliva? ¿Cuáles son las tres funciones de la saliva?



5

Ser capaz de identificar las siguientes partes del diente. ¿Qué papel desempeñan los dientes en la digestión?



5a

Esmalte



5b

Dentina



5c

Pulpa



5d

Encía



5e

Cemento



5f

Membrana periodontal




6

Ser capaz de etiquetar un diagrama o modelo de todos los órganos que ayudan con la digestión, empezando de cuando el alimento entra en la boca hasta donde es expulsado por el ano.



7

Conocer la diferencia entre el bolo alimenticio y quimo.



8

¿De dónde proviene la bilis? ¿Dónde se almacena? ¿Cuál es su función en el duodeno?


Bile (or gall) is a bitter, greenish-yellow fluid secreted by the liver. It is stored in the gallbladder between meals and upon eating is discharged into the duodenum where it aids the process of digestion.


9

¿Cuáles son las vellosidades? ¿Qué les hace absorber los nutrientes tan rápidamente? ¿En qué punto están todos los nutrientes removidos de los alimentos/quimo? Comparar la cantidad de agua absorbida por el papel normal en comparación con una toalla de papel similar, usando 1/8 (17 ml) de una taza de agua.



10

¿Qué sucede si demasiada agua está presente en el intestino grueso? ¿Qué sucede si no hay suficiente agua?


Too much water in the colon results in diarrhea. This occurs when insufficient fluid is absorbed by the colon. As part of the digestion process, or due to fluid intake, food is mixed with large amounts of water. Thus, digested food is essentially liquid prior to reaching the colon. The colon absorbs water, leaving the remaining material as a semisolid stool. If the colon is damaged or inflamed, however, absorption is inhibited, and watery stools result.


11

¿Cómo la fibra en la dieta ayuda a la digestión? ¿Cuánto tiempo debería permanecer los alimentos en el tracto digestivo? ¿Qué ocurre si la comida se queda en el aparato digestivo demasiado tiempo?


Increased fiber consumption appears to lower the risk of developing type II diabetes and heart disease. It may also help prevent high cholesterol and help fight obesity. High-fiber foods help move waste through the digestive tract faster and easier, so possibly harmful substances do not have as much contact with the gastrointestinal tract and reduce straining.


12

Demostrar la digestión del almidón en azúcar simple usando la prueba de yodo.


Starch is converted into sugar by saliva, and when iodine comes into contact with starch, it turns from brown to a dark purple or black. These two facts can be used in a simple experiment.


13

¿Cuáles son los seis nutrientes básicos que son esenciales para la vida y dónde la mayor parte de la digestión y absorción se llevan a cabo?


  • Carbohydrates are compounds made of sugars. Digestion of carbohydrates begins in the mouth, continues in the stomach, and is completed in the small intestine.
  • Proteins are made of amino acids. Most protein digestion takes place in the duodenum with the overall contribution from the stomach being small.
  • Fats consist of a glycerin molecule with three fatty acids attached. Fats are completely digested in the small intestine.
  • Vitamins are organic compounds essential to the body. Vitamins are absorbed by the small intestine.
  • Minerals are trace elements such as iron, copper, and salts essential to metabolism. Minerals are absorbed in the small intestine.
  • Water is an essential nutrient and is directly involved in all the chemical reactions of life. It is primarily absorbed in the large intestine.


14

Conocer la diferencia entre monosacárido, disacárido y polisacáridos. ¿Qué es lo más importante de los hidratos de carbono?


  • Monosaccharides are the simplest form of carbohydrates. They consist of one sugar and are usually colorless, water-soluble, crystalline solids. Some monosaccharides have a sweet taste.
  • Disaccharides are sugars (carbohydrates) composed of two monosaccharides.
  • Polysaccharides are relatively complex carbohydrates. They are made up of many monosaccharides joined together. They are therefore very large, often branched, molecules.

The most important carbohydrate is the one that they are all made from: monosaccharide.


15

¿Cuáles son los aminoácidos? ¿Cuáles son necesarios para fabricar todas las proteínas en el cuerpo? ¿Qué se entiende por aminoácidos esenciales? ¿Cuántos de ellos son esenciales? ¿Dónde puede usted obtener todos los aminoácidos esenciales?


Amino acids are the molecules from which proteins are built. There are twenty standard amino acids used by cells in protein biosynthesis.

Essential amino acids are the nine amino acids required for protein synthesis that cannot be synthesized by humans and must be obtained in the diet: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.

Only some foods contain all the essential amino acids. These include milk and dairy products, eggs, fish, meat and poultry. If you don't eat animal products, the only way you can get all the essential amino acids is by combining plant foods. For example: corn plus peas or beans, rice plus beans, lentils plus bread. [1]


16

¿Qué es ATP? ¿Para qué se utiliza? ¿Qué hace que el cuerpo produzca ATP? ¿Qué tres series de reacciones químicas hacen ATP en el cuerpo? ¿Por qué necesitamos respirar oxígeno?


ATP stands for adenosine triphosphate. ATP is used for transporting energy around in your body. All the energy your body uses is supplied by ATP. ATP is made by three chemical reactions: glycolysis, the Krebs cycle, and oxidative phosphorylation.

  • Glycolysis is a pathway that takes place within the cytoplasm of a cell and does not require oxygen. The reaction produces four ATP molecules, but consumes two of them during the process.
  • The Krebs Cycle is a pathway involved in the chemical conversion of carbohydrates, fats and proteins into carbon dioxide and water to generate a form of usable energy. The Krebs cycle produces ATP and another chemical called NADH.
  • Oxidative phosphorylation converts the leftover NADH produced by the Krebs cycle into more ATP.

While glycolysis does not require oxygen, the other two ATP-producing reactions do. We need to breathe oxygen to supply it to these processes.


17

Conocer la diferencia entre vitaminas hidrosolubles y las liposolubles. ¿Cuáles son dos vitaminas comunes que son liposolubles? ¿Cuáles son dos vitaminas que son hidrosolubles?


Fat-soluble vitamins may be stored in the body and can cause toxicity when taken in excess. Water-soluble vitamins are not stored in the body, with the exception of Vitamin B12, which is stored in the liver.

Fat-soluble vitamins include A, D, E, and K.

Water-soluble vitamins include the eight B's and C.


18

Hacer una lista de cuatro textos de la Biblia que hacen referencia a la digestión.




Then he said to me, "Son of man, eat this scroll I am giving you and fill your stomach with it." So I ate it, and it tasted sweet as honey in my mouth.
-- Ezekiel 3:2 (NIV)


Don't you see that whatever enters the mouth goes into the stomach then out of the body?
-- Matthew 15:17 (NIV)



"Food for the stomach and the stomach for the food" - but God will destroy them both. The body is not meant for sexual immorality; but for the Lord and the Lord for the body.
-- 1 Corinthians 6:13 (NIV)



From the fruit of his mouth a man's stomach is filled; with the harvest from his lips he is satisfied.
-- Proverbs 18:20 (NIV)


19

Hacer una lista de cinco textos de la Elena de White que promueven la digestión adecuada. Elegir una variedad de temas.


Notas

  • El requisito 3 de la especialidad de Nutrición - Avanzado también requiere que se mantenga un registro de alimentos, pero solo por una semana. La especialidad de RCP requiere que mantenga un registro de su dieta por un mes.

Referencias