Which of the following is a recommended guideline when obtaining a capillary blood sample for glucose testing?
A. Use the scalp to obtain a blood sample from infants and children
B. If the site to be accessed is warm, place a cool compress on the site before testing
C. Calibrate the meter according to the manufacturer's recommendation and when a new bottle of test strips is opened
D. If blood glucose level results are above or below normal parameters, immediately notify the primary care provider for further instructions.
