Which of the following red cell inclusions is or are often found in lead poisoning?
a. Howell-Jolly bodies
b. Basophilic stippling
c. Heinz bodies
d. Cabot rings
ANS: B
Basophilic stippling, sometimes quite coarse, is characteristic of lead poisoning. Lead interferes with the breakdown of pyrimidine 5ยข-nucleotides, which in turn are believed to retard the breakdown of ribosomal ribonucleic acid (RNA), thus leading to stippling.
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What is the NFPA Professional Qualification Standard that deals with instructor qualifications?
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During CPR, a self-inflating manual resuscitator fails to re-inflate properly between breaths. The patient has no spontaneous breaths, but has a pulse. In order to provide rescue breaths and resolve the problem, the respiratory therapist should
A. increase the flowrate. B. replace the PEEP valve. C. slow down the rate of manual breaths. D. replace the resuscitator bag.