D105. For thyroid uptake measurements performed using an uptake probe,A. The neck (skin surface)-to-crystal aperture distance is typically about 30cm.B. A thigh measurement is used to estimate the neck background distance is typically about 30cm.C. A “standard” count rate is required to calculate the thyroid uptake.D. All of the above.

D105. For thyroid uptake measurements performed using an uptake probe,A. The neck (skin surface)-to-crystal aperture distance is typically about 30cm.B. A thigh measurement is used to estimate the neck background distance is typically about 30cm.C. A “standard” count rate is required to calculate the thyroid uptake.D. All of the above.