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?  

You are the charge nurse of a psychiatric floor that has one free bed. Which of the following psychiatric patients would you anticipate most needing to be placed on your floor?

A 13-year-old patient presents to the emergency department in a disoriented state with tachycardia, tachypnea, hypotension, and hypothermia. Upon assessment, the nurse notes the patient’s breath smells like acetone, the mucous membranes are dry, and the patient has poor skin turgor. The nurse knows which test is the priority?