Necrotizing Enterocolitis (NEC)is an Inflammatory Disease of the Gastrointestinal Mucosa

question 10

Multiple Choice

Necrotizing enterocolitis (NEC) is an inflammatory disease of the gastrointestinal mucosa.What are some of the generalized signs associated with NEC?

• A) Hypertonia,tachycardia,and metabolic alkalosis
• B) Abdominal distension,temperature instability,and grossly bloody stools
• C) Hypertension,absence of apnea,and ruddy skin colour
• D) Scaphoid abdomen,no residual with feedings,and increased urinary output

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Definitions:

Z-test Approximation

A statistical method that uses the Z-distribution to approximate the significance of observed differences, typically used when sample sizes are large and the standard deviation is known.

Wilcoxon Test Statistic

A non-parametric test statistic used to compare two paired samples to assess whether their population mean ranks differ.

Null Hypothesis

A hypothesis that assumes no statistical significance or effect exists in a set of observations.

Level Of Significance

The threshold below which a statistical result is considered significant, indicating that an observed effect is unlikely to be due to chance alone.