Using different types of strokes to counterbalance the mechanical stresses of any one stroke on the hands and arms; for example, alternating pushing and pulling strokes reverses the line of force in the hands, first compressing then decompressing the

A patient experienced blunt chest trauma and has asymmetrical chest wall movement. This MOST likely indicates:

A: decreased air movement into one lung. B: shallow breathing secondary to severe pain. C: several ribs broken in numerous places. D: accumulation of blood in both of the lungs.

An ophthalmic assistant aids the ophthalmologist by 

A. performing simple vision testing, administering eye drops, and changing dressings. B. prescribing corrective lenses and medications. C. performing surgery and providing follow-up care. D. diagnosing and treating eye diseases and disorders.