The nurse is evaluating the activity tolerance of a 9-month-old with iron-deficiency anemia. Which of the following findings indicates that the child is tolerating activity?
1. Tachycardia
2. Decreased alertness
3. Respiratory rate less than 50 with activity
4. Muscle weakness
3
Rationale:
1. Tachycardia, decreased alertness, and muscle weakness are all signs that iron-deficiency anemia is not resolving and activity tolerance is not improving.
2. Tachycardia, decreased alertness, and muscle weakness are all signs that iron-deficiency anemia is not resolving and activity tolerance is not improving.
3. Iron-deficiency anemia can result in less oxygen reaching the cells and tissues, causing activity intolerance. An indication that a 9-month-old child is tolerating activity and that iron-deficiency anemia is resolving would be the child's maintaining a respiratory rate of less than 50 (within a normal range for this age) during activity.
4. Tachycardia, decreased alertness, and muscle weakness are all signs that iron-deficiency anemia is not resolving and activity tolerance is not improving.
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