A toddler presents with anemia and reticulocytopenia following a recent viral infection. The child has experienced a gradual decrease in energy and increased pallor. What is the appropriate management approach by the primary care pediatric nurse practitioner?

Choice A reason: Transfusions may be necessary in cases of severe anemia or hemodynamic instability, but they are not the first-line approach for reticulocytopenia unless the child is symptomatic with cardiovascular compromise. This option is premature without further evaluation. Choice B reason: Iron supplementation is appropriate for iron-deficiency anemia, but reticulocytopenia following a viral illness suggests transient red cell aplasia, such as in parvovirus B19 infection. Iron would not be effective in this context. Choice C reason: Consulting a pediatric hematologist is appropriate when reticulocytopenia is present, especially post-viral, as it may indicate transient aplastic crisis or other marrow suppression. Expert evaluation is needed to guide further diagnostics and management. Choice D reason: While observation may be considered in mild cases, the presence of reticulocytopenia and clinical symptoms warrants specialist input to rule out serious causes such as aplastic anemia or bone marrow failure syndromes. Passive observation alone is insufficient.