Describe the effects general anesthesia can have on the GI tract and how this affects postoperative feeding recommendations.

What will be an ideal response?


General anesthesia may result in a postoperative ileus (lack of motility), a general paralysis of the gastrointestinal tract. Resolution of the ileus generally occurs within 24–48 hours, depending on the type of procedure. Traditionally, the patient was prevented from eating or drinking until the ileus was resolved, and the production of gas or bowel movement was a sign of resolution of ileus. Because it is difficult to ascertain when GI function has returned, however, the determination of when to actually begin postoperative feeding has been debated. However, early feeding may become standard in postoperative protocols. Many patients who have entered surgery with nutritional deficits cannot withstand additional weight loss. Allowing a patient to be fed as soon after surgery as is possible and safe is recommended.

Nutritional Science

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It is recommended that athletes avoid caffeine-containing beverages because of the negative effect these beverages have on fluid and electrolyte balance

Indicate whether the statement is true or false

Nutritional Science

Which of the following is not a symptom of dumping syndrome, a possible side effect of gastric bypass?

a. Hyperglycemia b. Nausea c. Dizziness d. Diarrhea

Nutritional Science

When proteins are ____, they lose their shape, as well as their function

a. denatured b. synthesized c. coiled d. folded e. reacted

Nutritional Science

Vitamin B6 is essential for the synthesis of

A) heme. B) T cells. C) memory cells. D) iron.

Nutritional Science