Filtration added to the beam at the collimator opening is referred to as:
inherent filtration
minimum filtration
added filtration
built in filtration
added filtration
Rationale: Added filtration is placed within the beam either at the tube window aperture or at the collimator opening. Added filtration may measure 2.0 mm of aluminum or its equivalent.
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The _____ is considered the pacemaker of the heart
A) sinoatrial node B) atrioventricular node C) Purkinje fiber D) bundle branch
Sammy is a 6-year-old patient who needs to have blood drawn for testing. He is obviously anxious about the procedure, and his mother appears to be just as upset as Sammy is. Which of the following approaches should you take to reassure Sammy and his mother?
A. Ignore Sammy and explain the procedure to his mother, then allow her to calm his fears. B. Ask Sammy's mother if there is a friend or relative they can call to help calm Sammy. C. Use technical language to explain the procedure, so they will know you are knowledgeable. D. Tell Sammy and his mother that it won't hurt a bit. E. Explain the procedure to Sammy and his mother using simple language that they can understand.