In idiopathic thrombocytopenia, the initial treatment should be:

Correct Answer: D

Rationale: Idiopathic thrombocytopenic purpura (ITP) immune platelet destruction starts with glucocorticoids (E e.g., prednisone 1 mg/kg), raising counts (e.g., >50,000/μL) by blocking phagocytosis. Transfusion (A) is for bleeding. Testosterone (B) is obsolete. Splenectomy (C) is second-line. 6-MP (D) is leukemia-related. Steroids' efficacy is key in nursing for rapid response and monitoring purpura.

Correct Answer: C

Rationale: Persistent reticulocytosis (e.g., >2%) and nucleated RBCs without bleeding suggest hemolytic anemia (C) RBC destruction (e.g., sickle cell, Hb <10 g/dL) drives marrow response. Folate deficiency (A) is macrocytic, not nucleated. Chronic anemia (B) lacks reticulocytosis. Marrow failure (D) reduces output. All' overstates. Hemolysis's compensatory erythropoiesis is key, guiding nursing for haptoglobin and LDH checks.

Correct Answer: A

Rationale: Idiopathic thrombocytopenic purpura (ITP) true: prolonged bleeding time (A low platelets, e.g., <50,000/μL, delay clot formation). Prothrombin (B) is normal coagulation intact. Retraction (C) slows with low platelets. Not always viral (D idiopathic common). Rumpel-Leede is positive petechiae form. Bleeding time's prolongation is key, guiding nursing for steroids and hemorrhage watch.

Correct Answer: B

Rationale: Microcytic anemia (MCV <80 fL) occurs in hypothyroidism (B) low metabolism may reduce iron use, though normocytic is commoner. Hemolytic (A), liver disease (C) are normo/macrocytic from hemolysis, folate issues. Aplastic (D) is normocytic marrow failure. All' overstates. Hypothyroidism's rare microcytosis is key, guiding nursing for TSH over iron alone.

Correct Answer: D

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.