While Both Single-Blind and Double-Blind Procedures Both Prevent a Study

question 33

Multiple Choice

While both single-blind and double-blind procedures both prevent a study participant from knowing what a test drug is,single-blind procedures differ from double-blind procedures by:

• A) not allowing investigators to know which drug participants received.
• B) allowing study participants to later choose which drug.
• C) allowing participants in other groups to know which drug they received.
• D) allowing investigators to know which drug participants received.

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Definitions:

Thoracic Cage

The bony framework of the chest, consisting of the ribs, sternum, and part of the spinal column, protecting vital organs and supporting respiration.

Axial Skeleton

The segment of the skeletal system that is made up of the head and trunk bones, encompassing the skull, spine, ribs, and sternum.

Vertebral Column

A series of connected bones called vertebrae that form the backbone, providing support and protecting the spinal cord.

Cervical Vertebra

One of the seven vertebrae in the human neck, forming the upper part of the spinal column.