The nurse has admitted a child with a cyanotic heart defect. The nurse would expect the initial lab result to show
1. a high hemoglobin.
2. a low hematocrit.
3. a high white-blood-cell count.
4. a low platelet count.
Answer:1
Rationale: The child's bone marrow responds to chronic hypoxemia by producing more red blood cells to increase the amount of hemoglobin available to carry oxygen to the tissues. This occurs in cases of cyanotic heart defects. Therefore,the hematocrit would not be low,the white-blood-cell count would not be high (unless an infection is present),and the platelets would be normal.
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