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Postoperative Considerations

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Which of the following electrolytes is NOT a major contributor to the osmolarity of the intracellular compartment?

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a. Chloride

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b. Magnesium

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c. Phosphate

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d. Potassium

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What is the approximate daily liquid requirement for an average-sized adult?

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a. 20 mL/kg per day

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b. 30 mL/kg per day

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c. 40 mL/kg per day

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d. 50 mL/kg per day

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Volume resuscitation with crystalloid solution primarily expands which of the following compartments?

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a. Plasma

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b. Vascular

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c. Interstitial

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d. Intracellular

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Which of the following statements regarding isotonic (normal) saline solution is true?

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a. It has a higher pH compared to plasma.

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b. It has a lower chloride concentration compared to plasma.

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c. When infused at large volumes, it can result in lactic acidosis.

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d. Saline-induced acidosis usually has no adverse clinical consequences.

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A 45-year-old woman recently underwent a total abdominal hysterectomy of a large myomatous uterus. Her course since surgery has been complicated by postoperative ileus, shown here, for which a nasogastric tube was placed. Which of the following is the most appropriate solution to replace volume lost in her gastric secretions?

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a. Isotonic saline

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b. Lactated Ringer

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c. 5 percent dextrose in water

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d. 5 percent dextrose in 0.45 percent normal saline with 20 mEq/L of potassium chloride

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Which of the following is the LEAST common opiate used to treat postoperative pain following gynecologic surgery?

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a. Fentanyl

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