Question: Nurse David is evaluating Emma, a 5-year-old female who presents with frequent urination, excessive thirst, and unexplained weight loss. Her mother reports that Emma has been wetting the bed, which is unusual for her. What is the most likely diagnosis for Emma, and what diagnostic test should be conducted? A. O Urinary Tract Infection; Obtain a urine culture B. ? Diabetes Mellitus; Perform a fasting blood glucose test and HbA1c C. O Nephrotic Syndrome; Conduct a urinalysis and serum albumin test D. O Hyperthyroidism; Order thyroid function tests