Which of the Following Is False About Polychlorinated Biphenyls (PCBs)

question 22

Multiple Choice

Which of the following is false about polychlorinated biphenyls (PCBs) ?

• A)They are industrial chemicals that were used in dyes, lubricants, and electrical insulation.
• B)They were used from the 1920s to the 1970s.
• C)They were banned from production many years ago.
• D)They no longer present a health risk.

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Definitions:

Surgical Position

Specific positioning of a patient's body during a surgical procedure to provide optimal access to the surgical site while ensuring the patient's safety and comfort.

Trendelenburg

A position with the head lower than the feet.

Lithotomy

An examination position wherein the patient lies on the back with thighs flexed upon the abdomen and legs flexed upon the thighs.

Operating Scissors

A surgical instrument specifically designed for cutting tissues during surgical procedures.