When Asked by a Patient's Family How Core Temperature Differs

When asked by a patient's family how core temperature differs from tympanic temperature, a nurse says:

A) "A tympanic temperature is obtained using sterile technique and is more time consuming."
B) "Taking the core temperature is more reflective of the environment the internal organs are being exposed to."
C) "Obtaining a core temperature far outweighs the benefits of a tympanic temperature because it is less invasive."
D) "Taking a tympanic temperature is uncomfortable and more invasive."