Which film speed requires the least amount of radiation exposure to produce a diagnostic-quality image?
A) D speed film
B) E speed film
C) F speed film
D) G speed film
C
Explanation: A) E-speed film provides a 50 percent reduction in radiation exposure over D speed. F-speed film provides a 20 percent reduction in radiation exposure over E speed.
B) E-speed film provides a 50 percent reduction in radiation exposure over D speed. F-speed film provides a 20 percent reduction in radiation exposure over E speed.
C) E-speed film provides a 50 percent reduction in radiation exposure over D speed. F-speed film provides a 20 percent reduction in radiation exposure over E speed.
D) E-speed film provides a 50 percent reduction in radiation exposure over D speed. F-speed film provides a 20 percent reduction in radiation exposure over E speed.
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The area on either side of a winch cable where a cable can whip if broken is called the:
A. cable zone. B. recoil zone. C. winch zone. D. danger zone.
Increasing the functional residual capacity of a spontaneously breathing patient to improve oxy-genation can be accomplished by which of the following?
a. Inspiratory plateau c. Negative end-expiratory pressure b. Positive end-expiratory pressure d. Continuous positive airway pressure