In Double-Blind Study, _____

question 55

Multiple Choice

In double-blind study, _____.

• A) neither the subjects nor the scientists know which subjects are receiving the active treatment and which are receiving the placebo
• B) the scientists know which subjects are receiving the placebo but the subjects do not
• C) both the subjects and the scientists know which subjects are receiving the active treatment and which are receiving the placebo
• D) both the subjects and the scientists know which subjects are receiving the placebo
• E) only the subjects know the types of treatment they are receiving

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Definitions:

Hepatic Portal Vein

A blood vessel that carries blood from the gastrointestinal tract and spleen to the liver, enabling nutrient processing and detoxification.

Ventricles

Hollow chambers within the heart or brain that play key roles in pumping blood throughout the body or circulating cerebrospinal fluid, respectively.

Oxygenated Blood

Blood that has been enriched with oxygen from the lungs and is being transported by the arteries to the rest of the body.

Left Atrium

The left atrium is one of the four chambers of the heart, receiving oxygen-rich blood from the lungs and pumping it into the left ventricle.