【单选题】

A 10-year-old diagnosed with acute glomerulonephritis is admitted to the pediatric unit. The nurse should ensure that which of the following is a part of the child's care
A．Taking vital signs every 4 hours and obtaining daily weight.

B．Obtaining a blood sample for electrolyte analysis every morning.
C．Checking every urine specimen for protein and specific gravity.
D．Ensuring that the child has accurate intake and output and eats a high-protein diet.