What could cause an electrical injury to a patient during a procedure?
a. Electrosurgical unit not grounded due to a faulty return electrode pad
b. Cool instruments touching patient's bare skin
c. Insulated endoscopic instruments
d. Use of saline on sterile field
ANS: A
The grounding of all electrical equipment is essential for safety and the prevention of stray current leakage. Grounding systems are designed to discharge any harmful electricity directly to the ground without including the patient in the circuit.
You might also like to view...
The ________ has become the recognized symbol for medicine; it depicts a healing staff with two snakes coiled around the staff.
A. caduceus B. cadmium C. pices D. caduce
A key benefit of a full-thickness skin graft is:
A. that these grafts allow for multiple graft harvests from the same location for patients with large surface area burns. B. the ability to cover a large surface area. C. improved cosmesis. D. the ability to move the affected area immediately after grafting.
Which of the following statements concerning arteries is true?
a. They carry blood away from the heart. b. They have a lower pressure than veins. c. They always carry oxygenated blood. d. They drain into the venae cavae.
What would be a normal P50 for a fetus?
a. 10 b. 15 c. 20 d. 25