Which of the following statements regarding lead aprons is FALSE?
a. They are fabricated of 0.25-mm lead or lead-equivalent materials.
b. They should be folded and stored when not in use.
c. They provide a protective barrier against scatter radiation.
d. Their use is in keeping with the ALARA concept.
b. Lead aprons should be stored flat or hung unbent. Folding the lead apron may cause the material to crack, rendering the apron defective.
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An adult man on ventilatory support has just been intubated with a 7-mm oral endotracheal tube equipped with a high-residual-volume, low-pressure cuff
When sealing the cuff to achieve a minimal occluding volume, you note a cuff pressure of 45 cm H2O. What is most likely the problem? a. The tube chosen is too small for the pa-tient. b. The cuff pilot balloon and line are ob-structed. c. The tube is in the right main stem bron-chus. d. The cuff has herniated over the tube tip.