Characteristic Features of Neuroblastomas Include All of the Following Except

question 5

Multiple Choice

Characteristic features of neuroblastomas include all of the following except:

• A) they occur primarily in children.
• B) they secrete catecholamines that elevate blood pressure.
• C) they often spontaneously regress in infants under 1 year of age.
• D) they are always associated with poor survival.

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Definitions:

α

Denotes the level of significance in hypothesis testing; a threshold below which the p-value must fall for results to be considered statistically significant.

Type I Error

Occurs when a true null hypothesis is incorrectly rejected, falsely indicating that there is a significant effect when there is none.

Lowering Alpha

The process of reducing the alpha level, or the significance level, to decrease the likelihood of committing a Type I error in statistical hypothesis testing.

Type II Error

The error that occurs when a false null hypothesis is not rejected, implying a miss in detecting an actual effect or difference.