A 31-year-old man visits his physician for an annual physica…

A 31-year-old man visits his physician for an annual physical, where he states that he has been feeling anxious lately and has lost weight. Blood is collected and the following laboratory results return: fT4, elevated; TSH, elevated. An MRI reveals a mass in the client’s pituitary gland. What disorder do these results suggest?

A 75-year-old woman was admitted to the hospital with mild h…

A 75-year-old woman was admitted to the hospital with mild heart failure. She complained of a tingling sensation in her calves and feet, ankle swelling, and, upon admission the nurse noted that she appeared confused and pale. Her hematology results returned with: Hb = 89 g/L, Hct = 0.29, MCV = 110 fL, and MCH = 40 pg. All serum biochemistry values were normal. Which vitamin should be tested for deficiency?