A Laboratory Technician Is Given a Blood Sample and Asked

question 12

Multiple Choice

A laboratory technician is given a blood sample and asked to calculate the concentration of dopamine.The first test reveals that the concentration of dopamine falls outside the reliable range for the testing method.He adds 100 μL saline solution to 100 μL of the sample and retests the sample.How does the concentration of dopamine in the diluted sample compare to the concentration of dopamine in the original sample?

• A) The concentration in the diluted sample is one-half that of the original sample.
• B) The concentration in the diluted sample is one hundred times that of the original sample.
• C) The concentration in the diluted sample is one-tenth that of the original sample.
• D) The concentration in the diluted sample is twice that of the original sample.

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Definitions:

Human Nature

The general psychological characteristics, feelings, and behavioral traits of humankind, regarded as shared by all humans.

Empirical Evidence

Information acquired by observation or experimentation that is used as a basis for knowledge or validation of scientific theories.

Psychological Laboratory

A controlled environment where psychological research, experiments, and testing are conducted to study various aspects of human behavior and mental processes.

Wilhelm Wundt

Often regarded as the father of experimental psychology, he established the first psychology laboratory at the University of Leipzig in 1879.