Final answer:
True, a medical assistant may use a laser for various medical applications such as laser surgery.
Step-by-step explanation:
True, a medical assistant may use a laser. Laser surgery is a common medical application of lasers, particularly in ophthalmology and dermatology. For example, lasers can be used to treat retinal detachment or remove unwanted hair and tattoos. Laser beams are highly focused and intense, allowing for accurate and precise treatment of specific tissues or areas.