Ionizing radiation has the potential to produce biological damage
because x-rays can detach subatomic particles from larger molecules.
because they create an electrical imbalance within a normally stable cell.
because they contain heat, which burns the cell and causes it to die.
A and B only
A and B only
Rationale: A and B only – X-rays can detach from their larger parts, which creates an imbalance in a normally stable cell.
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A young male patient is self-extricated after hitting a telephone pole and rolling his car several times at a high rate of speed. He is spitting blood and has a large area of tenderness and instability to the left side of his chest. On scene you did not observe any paradoxical motion of the chest wall. The patient remains alert and oriented with stable vital signs, but continually complains of
painful breathing. During transport, what is it essential that you do? A) Reassess for paradoxical motion of the chest wall B) Apply bulky dressings to the area of chest injury C) Start positive pressure ventilation with supplemental oxygen D) Place a nonporous dressing and ice packs to the injured area
The Carefusion Avea ventilator is being used during transport; the electrical power source in the ambulance fails. How long will the internal power source allow the ventilator to function?
a. About 10 minutes c. About 30 minutes b. About 20 minutes d. About 40 minutes
In radiography, a partial shadow or fuzzy outline around the image is referred to as what?
overlapping mutations light fog penumbra
A patient with hemorrhagic shock would be expected to have:
A) warm, flushed skin. B) flattened jugular veins. C) a widened pulse pressure. D) an increased hematocrit.