Examlex
The standard deviation of a portfolio is a function of the standard deviations of the individual securities in the portfolio, the proportion of the portfolio invested in those securities, and the correlation between the returns of those securities.
Scrub Nurse
A nurse who operates in the sterile field during a surgical procedure, assisting the surgical team by handling instruments and maintaining sterility.
Registered Nurse First Assistant
A registered nurse with additional certification to assist surgeons during surgery directly.
Endotracheal Tube
A flexible tube inserted through the mouth or nose into the trachea to provide an airway and facilitate mechanical ventilation.
General Anesthesia
A medically induced coma with loss of protective reflexes, resulting from the administration of one or more general anesthetic agents.
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