The nurse has been teaching a patient with diabetes mellitus how to perform self-monitoring of blood glucose (SMBG). During evaluation of the patient's technique, the nurse identifies a need for additional teaching when the patient does which of the following?
A. Chooses a puncture site in the center of the finger pad
B. Washes hands with soap and water to cleanse the site to be used
C. Warms the finger before puncturing the finger to obtain a drop of blood
D. Tells the nurse that the result of 120 mg/dl indicates good control of diabetes
Answer: A. Chooses a puncture site in the center of the finger pad
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