By knowing about infant variations in blood count, nurses can explain to their patients that:
1. a somewhat lower than expected red blood cell count could be because of delayed clamping of the umbilical cord.
2. the early high white blood count is normal at birth and should decrease rapidly.
3. platelet counts will be higher than in adults for a few months.
4. even a modest vitamin K deficiency will mean a problem with the blood's ability to clot properly.
2
1. Incorrect. Delayed clamping of the cord results in an increase of hemoglobin and red blood count.
2. Correct. The WBC is high the first day of birth, then decreases rapidly.
3. Incorrect. The platelet count is essentially the same for newborns and adults.
4. Incorrect. Clothing is sufficient to prevent hemorrhage unless the vitamin K deficiency is great.
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