A neonate is born at full term to a mother who did not receive prenatal care. The neonate required moderate resuscitation at birth. Upon assessment, the nurse notes poor muscle tone, a protruding tongue, low nasal bridge, and low-set ears. A loud continuous “machine-like” heart murmur is heard. The patient requires 85% FiO2 to maintain an oxygen saturation above 90%. Which of the following tests is the next best diagnostic step in the management of this patient?

The nurse is most concerned with encouraging the patient with multiple myeloma to ambulate frequently to prevent which complication? 

The nurse who suspects that the 19-year-old patient being treated for β-thalassemia major is experiencing complications of therapy advocates for which tests? Select all that apply.