A patient’s lab results show RBC of 3.2 million, WBC of 4,500, and platelets of 100,000. Which condition is the patient most at risk for?

A. Infection and bleeding
B. Hypertension and clot formation
C. Dehydration and anemia
D. Polycythemia and thrombosis

Answer: A. Infection and bleeding
Rationale: Low WBC increases infection risk, and low platelets increase bleeding risk.

A nurse is providing teaching to a patient with pernicious anemia. Which statement indicates understanding?

A. "I need to take iron supplements daily."
B. "I should avoid foods high in folic acid."
C. "I will need lifelong vitamin B12 injections."
D. "This condition is caused by excessive blood loss."

Answer: C. "I will need lifelong vitamin B12 injections."
Rationale: Pernicious anemia results from the inability to absorb B12 due to lack of intrinsic factor.