A nurse is preparing to perform a heel stick using a spring-loaded automatic puncture device on a 1-week-old infant.In which of the following locations should the nurse puncture the infant's foot?

Choice A rationaleThe center of the heel contains dense tissue and lacks capillary beds required for adequate blood sampling. Puncturing this area increases the risk of causing trauma without yielding sufficient blood flow, making it an inappropriate site for a heel stick.Choice B rationaleThe lateral side of the heel is the optimal site for a heel stick as it contains capillary-rich tissue and avoids major nerves and bones. Using this site minimizes pain while ensuring adequate blood flow for sampling. It is the recommended location for newborn blood tests.Choice C rationaleThe arch of the foot is unsuitable for blood sampling due to low capillary density and proximity to sensitive nerves. Puncturing this area can result in significant discomfort with insufficient blood yield, making it an inappropriate choice for a heel stick.Choice D rationaleThe ball of the foot is not recommended for heel sticks because it is primarily used for weight-bearing and contains dense tissue unsuitable for adequate capillary blood flow. Puncturing this area increases the risk of unnecessary trauma while yielding suboptimal blood samples. .