Examlex
Which one of the following substances is measured in urine to determine the presence of a gastroenteropancreatic neuroendocrine tumor in an individual with carcinoid syndrome?
Ratio
A mathematical expression that compares two numbers or quantities, showing the relative size or amount of one to the other.
Absolute Frequency
The total count of occurrences or instances of a specific event or characteristic in a data set.
Chemical Element
A substance that cannot be broken down into simpler substances by chemical means and is identified by the number of protons in its atoms.
Variable
An element, feature, or factor that is likely to vary or change; often used in scientific experiments or mathematical equations.
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