Question

12. The nurse knows that the ratio of Immature to Mature neutrophils (1/T Ratio) is important to know in order to understand how the baby is responding to a bacterial infection. The CBC information on a five-hour-old infant with respiratory distress and risk factors for infection are as follows: Total White Blood Cell Count (WBC) Segmented neutrophils (segs) Band neutrophils (bands) Metamyelocytes (metas) Lymphocytes Basophils Eosinophils 16,000 (15 X 10" 34% 16% 4% 41% 4% 1% a. What percent of the neutrophils are immature? (Add the percent of bands and metas.) b. What percent of the total WBC (immature AND mature) are the neutrophils? (Add the % of segs, bands, and metas.) c. Express the I/T ratio as a fraction as immature/total neutrophils: d. Express the fraction as a decimal. (Round the final answer to one decimal place.) e. If the resulting decimal in #21 is 0.2 or greater, then the "index of suspicion of infection is increased. If the IT ratio is above 0.8, this is correlated with a higher risk of death from sepsis. Does this baby's value indicate an increased index of suspicion" for infection?

Answer 1

A- immature neutrophils= band from+ metamyelocytes = 16+4=20%

B- 16+4+ 34= 54% neutrophils wbc

C I/t ratio= 20/54

D- 20/54 = .37 in decimal