Why is it important that synthesis of globin chains and heme be balanced in the RBCs?
a. Excess concentration of protoporphyrin increases bilirubin in plasma.
b. An excess of one of the components of hemoglobin decreases RBC survival.
c. An excess of one of the components of hemoglobin increases RBC survival leading to an eventual elevated RBC count.
d. An excess of globin chains significantly decreases the concentration of globin chain messenger ribonucleic acid (mRNA) in the developing RBCs.
ANS: B
An excess of one of the components of hemoglobin can decrease RBC survival in circulation. None of the other listed items are true in the presence of an excess.
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You arrive on the scene of an emergency in which a middle- aged woman has fallen down the steps while trying to escape a fire in the building. She is lying at the base of the steps and is unresponsive. You notice a small laceration on her forehead and a visible deformity of her left leg. The area is beginning to fill with smoke. Which technique is most appropriate for you to use to move this patient?
A). Ankle drag B). Walking assist C). Pack- strap carry D). Clothes drag
Code 69601 for a revision mastoidectomy that results in a complete mastoidectomy
A) True B) False