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Digestion and Absorption Practice Questions - DPP for NEET

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1. What are the major organs involved in the process of digestion and absorption?
Ans. The major organs involved in the process of digestion and absorption are the mouth, esophagus, stomach, small intestine, and large intestine. These organs work together to break down food into smaller molecules, absorb nutrients, and eliminate waste.
2. How does the process of digestion and absorption occur in the human body?
Ans. The process of digestion and absorption starts in the mouth, where food is broken down by chewing and mixed with saliva. It then travels down the esophagus to the stomach, where it is further broken down by stomach acid and enzymes. The partially digested food then moves to the small intestine, where enzymes from the pancreas and bile from the liver break it down further. Nutrients are absorbed into the bloodstream through the walls of the small intestine. The remaining waste products pass into the large intestine, where water is absorbed and the waste is formed into feces.
3. What are the main nutrients that are absorbed during the process of digestion and absorption?
Ans. The main nutrients that are absorbed during the process of digestion and absorption are carbohydrates, proteins, fats, vitamins, and minerals. These nutrients are broken down into smaller molecules and absorbed into the bloodstream, where they are transported to different parts of the body to provide energy, support growth and repair, and maintain overall health.
4. How does the digestive system help in maintaining the body's energy balance?
Ans. The digestive system plays a crucial role in maintaining the body's energy balance by breaking down food into nutrients that can be used by the body for energy. Carbohydrates, proteins, and fats are the main sources of energy, and they are converted into glucose, amino acids, and fatty acids respectively during digestion. These nutrients are then absorbed into the bloodstream and transported to cells throughout the body, where they are used for various metabolic processes and to fuel physical activity.
5. What are the common digestive disorders that can affect the process of digestion and absorption?
Ans. Some common digestive disorders that can affect the process of digestion and absorption include gastroesophageal reflux disease (GERD), peptic ulcers, irritable bowel syndrome (IBS), celiac disease, and inflammatory bowel disease (IBD). These disorders can disrupt the normal functioning of the digestive system, leading to symptoms such as heartburn, abdominal pain, bloating, diarrhea, and constipation. Treatment for these conditions may involve dietary changes, medication, and lifestyle modifications.
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