Examlex
According to the text, which of the following is NOT an essential variable found in a psychological experiment?
Suture
To unite parts by stitching them together.
Epinephrine
A hormone and medication, also known as adrenaline, used to treat a number of conditions including anaphylaxis.
Local Anesthetic
A medication used to numb a specific area of the body, preventing pain without affecting consciousness.
Constrict Blood Vessels
The process of narrowing the diameter of blood vessels, which can increase blood pressure and reduce blood flow to certain areas of the body.
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