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Which observational research design has the greatest risk that the observer will influence the behaviors being observed?
Intramuscular Injection
A method of delivering medication deep into the muscles, allowing for faster absorption into the bloodstream than oral administration.
Tuberculin Screening
A test that determines if a person has been infected with the tuberculosis bacteria.
Tuberculosis (TB)
A potentially serious infectious disease caused by the bacterium Mycobacterium tuberculosis, affecting mainly the lungs but can spread to other organs.
Ampule
A sealed glass container used to hold and preserve a sample, usually a liquid or solid, in a sterile environment.
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