A placebo is
A) any drug being tested in a clinical trial.
B) any drug in a class of drugs commonly used as pain relievers.
C) a drug or treatment that is expected to have no pharmacological effect.
D) a nutritive and respiratory organ in fetal development.
E) a hole in a cavity wall through which an organ protrudes.

Question

Quizplus · Accepted Answer

A placebo is a substance, typically a pill, injection, or other treatment, that is made to resemble an active medication or treatment but has no active ingredients or therapeutic effect. Placebos are often used in clinical trials or studies to compare the effects of an active drug or treatment to the effects of a placebo. They are used to determine whether the active drug or treatment is effective and safe, by measuring differences in outcomes between the two groups.

A Placebo Is