Exam 20: Specialized Surgical Equipment

Which type of laser is useful in breaking up kidney stones?

Why should laser plume be suctioned and evacuated during a surgical procedure?

When adjusting the microscope,at what degree should the circulator set the focus of the ocular lens?

A dispersive pad or return electrode is needed for both monopolar and bipolar units.

Always use the highest setting of current when beginning a procedure that uses electrosurgery so that the surgeon has the maximum available power to cut or coagulate tissue.

Which type of laser is most effective at coagulation?

Instruments used in or near the laser beam should be reflective to enhance the laser's effect on the tissue.

Which part of the body must be protected when using lasers?

Electrosurgery should not be used in the mouth,around the head,or in the pleural cavity when high concentrations of _______ are present.

It is imperative that the surgical field be stable and immobile during a surgical procedure performed using the microscope.

Which is an advantage of using the argon beam coagulator?

If a skin knife is not available to make the initial skin incision,electrosurgery may be used for the incision.

Which is an advantage of using lasers in the perioperative setting?

When using electrosurgery to cut or coagulate tissue,do not use a scalpel blade to remove charred tissue from the tip of the electrode.

There is a difference between electrosurgery and electrocautery.

What item should be on the sterile field while an ESU is being used during a procedure?

Which microscope lens provides the greatest magnification?

What kind of current used in electrosurgery increases to produce an intense heat that sears the ends of small or moderate vessels?

Harmonic scalpel is a common bipolar electrical energy handpiece used in the OR.What does the working end accommodate?

Which is a responsibility of the biomedical laser technician?