Final answer:
A pertinent question regarding Mrs. Byrd's iron-deficiency anemia diagnosis is the possible causes of iron deficiency anemia, which can include a deficiency of iron in the diet, excessive bleeding, or an inability to absorb and transport iron.
Step-by-step explanation:
When diagnosing Mrs. Byrd's iron-deficiency anemia, a pertinent question would be: 'What are the possible causes of iron deficiency anemia?'
Iron deficiency anemia can be caused by various factors such as a deficiency of iron in the diet, excessive bleeding, or an inability to absorb and transport iron.
Good sources of iron in the diet include red meat, poultry, fish, and leafy green vegetables.