Which of the following is NOT a computer input device?
Trackball
Light pen
Plotter
Touch screen
Plotter
Rationale: A plotter is an output device, not an input device. It is actually a computer printer used for printing vector graphics.
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When assessing a patient with a head injury, you note the presence of thin, bloody fluid draining from his right ear. This indicates:
a) fractures to the internal structures of the ear following direct trauma. b) rupture of the tympanic membrane following diffuse impact to the head. c) a linear skull fracture and a significant increase in intracranial pressure. d) significant pressure and bleeding in between the skull and dura mater.
The peak inspiratory flow rate on the flow-time scalar below is which of the following?
a. 25 L/min b. 40 L/min c. 46 L/min d. 55 L/min