What is a benefit of multiculturalism?

Correct Answer: A

Rationale: Multiculturalism enriches societies by promoting diverse cultural experiences, fostering understanding, and encouraging mutual respect among different groups.

Correct Answer: C

Rationale: Wilson's disease is an autosomal recessive disorder characterized by defective copper excretion, leading to high urinary copper and low ceruloplasmin levels.

Correct Answer: A

Rationale: The recommended IV dose of epinephrine for pediatric cardiac arrest is 10 mcg/kg (0.01 mg/kg). Higher doses do not improve outcomes and may increase side effects.

Correct Answer: D

Rationale: Arthralgia without objective evidence (swelling, redness) is a minor criterion in acute rheumatic fever. Other minor criteria include fever, elevated acute-phase reactants (ESR, CRP), and prolonged PR interval. The major criteria include carditis, polyarthritis, chorea, erythema marginatum, and subcutaneous nodules.

Correct Answer: B

Rationale: Aplastic anemia results from bone marrow failure, leading to pancytopenia, including decreased megakaryocytes, which causes thrombocytopenia. Other causes, such as ITP and hypersplenism, typically have normal or increased megakaryocytes.