The nurse is caring for a group of clients. Which of the following clients are at GREATEST risk for iron-deficiency anemia? Why are they at risk? Why are the other clients not at risk?

a. A male client with a hemoglobin level of 15g/dL 

b. A male client who is recently history of gastric bypass surgery.

c. A female client who eats red meat and green leafy vegetables often.

d. A female client with a Hemochromatosis.