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A sample data set consisting of weights of pigs has a mean of 57 lb and a standard deviation of 11 lb.  Is a pig that weighs 98 lb an outlier?  Why or why not?

If an observation is an outlier, it may be that the measurement is correct, but represents a rare or chance event.

A trauma patient is receiving EN at goal rate but continues to lose weight and demonstrates poor wound healing. Which of the following should be assessed first?

Which of the following findings would most strongly suggest feeding intolerance?

Which electrolyte abnormality is most characteristic of refeeding syndrome?

Which option BEST describes the role of nutrition in wound healing?

In critically ill ICU patients, elevated blood glucose levels are most appropriately interpreted and managed in which way?

What is the primary nutrition goal during the acute phase of critical illness and trauma?

Based on the following labs, what would you recommend for Mr. X a 38-year-old male receiving PN on PN day #4, and why?PN has been running at goal (70 mL/hr) since PN day #2. PN Day #4: Glucose: rising (99 → 205 mg/dL) FS glucose: consistently elevated despite sliding-scale insulin Magnesium: low and trending down (1.5 → 1.3 mg/dL) Phosphate: decreasing (3.5 → 3.0 mg/dL) Temperature: persistent fevers Electrolytes (K, Na, Cl): mostly within range; K lower end of normal