Which of the Following Is NOT an Unobtrusive Measure

question 153

Multiple Choice

Which of the following is NOT an unobtrusive measure?

• A) the number of slashes on a depressed person's arm
• B) the numbers of dry cracks in the hands of a person who is a compulsive handwasher
• C) the redness of the eyes of an insomniac
• D) the number of times a hyperactive student stands up in class

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Definitions:

Oxidation Number

A number that represents the total number of electrons an atom either gains or loses in order to form a chemical bond with another atom.

Ca

Chemical symbol for Calcium, a reactive, soft metallic element that is a member of the alkaline earth metals.

Oxidation Number

A value that represents the number of electrons lost or gained by an atom in a compound compared to its elemental state.

C

Carbon, an element with the atomic symbol 'C', known for its ability to form a vast number of compounds, more than any other element.