In gastric bypass surgery, the stomach is reduced to hold 1 ounce of food, instead of 3 pints. This surgery would drastically impact one's
A. excretory system
B. digestive system
C. circulatory system
D. respiratory system
B) digestive system
- Correct: Gastric bypass surgery involves the reduction of the stomach's size, typically to hold only about 1 ounce of food instead of its normal capacity of 3 pints or more. This surgery drastically impacts the digestive system because it alters the anatomy and physiology of the gastrointestinal tract. By reducing the stomach's size, gastric bypass surgery restricts the amount of food that can be consumed at one time, leading to reduced calorie intake and aiding in weight loss. Additionally, the rearrangement of the digestive tract may affect the absorption of nutrients, potentially leading to changes in nutrient absorption and metabolism.
A) excretory system
- Incorrect: While changes in diet and weight loss resulting from gastric bypass surgery may indirectly affect the excretory system, the primary impact of this surgery is on the digestive system itself, not the excretory system.
C) circulatory system
- Incorrect: Although obesity and associated health conditions may impact the circulatory system, such as increasing the risk of cardiovascular disease, the direct impact of gastric bypass surgery is on the digestive system, not the circulatory system.
D) respiratory system
- Incorrect: Gastric bypass surgery does not directly impact the respiratory system. While weight loss resulting from the surgery may improve respiratory function in individuals with obesity-related respiratory conditions such as sleep apnea, the surgery primarily affects the digestive system by altering the anatomy and function of the gastrointestinal tract.
Therefore, the Correct Answer is B.
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