This could lead to serious problems that occur if clonidine is stopped suddenly. Previous versions of the prescribing information for clonidine tablets and patches stated that the medication was approved for use in children as young as 12 years old. The current prescribing information states that these medications are not approved for use in children.
Therefore whereas a dental x-ray room may require a. nominal shielding of about 1.5mm lead for the direct beam and. about 0.7mm lead for the scattered field, a diagnostic x-ray. room may require a nominal shielding of about 3mm and 1.5mm. for the direct beam and scattered field respectively.
CHM 1033 Class Assignment #7 Name ____________________. 1. Rank alpha, beta, and gamma radiation in order of increasing penetrating ability.  Least penetrating is alpha, then beta, and gamma radiation is the most penetrating. 2. What type of shielding material is necessary to protect you from:  a. a-radiation __paper or clothing___.