The 38-year-old patient who strictly adheres to a vegan diet complains of weakness and tingling in her lower extremities. She retains the strength in her lower extremities but proprioception is decreased.  Her complete blood count revealed a hemoglobin of 10.2 mg/dL, white blood cell count of 9 x 10³ cells/µL, and a mean corpuscular volume of 110. Which information does the nurse provide to the patient?  

During a well-child visit for the 4-month-old child, the nurse palpates hard nodules where each rib joins the sternum. The nurse reports this finding to the provider and requests which lab studies for this patient? Select all that apply.

The patient presents to the emergency department (ED) complaining of a severe headache that has not responded to nonsteroidal anti-inflammatory drugs, caffeine, hydration, or rest. The patient also reports transient syncope and weakness of the right side of the body. During the initial assessment, the patient becomes increasingly confused. The nurse prepares the patient for which test?