Nuclear Medicine Exam 2 Questions with Correct Answers

Nuclear Medicine Exam 2 Questions with Correct Answers Name the two devices necessary to produce the radionuclides used in nuclear medicine. - answerparticle accelerator (cyclotron) nuclear reactor Identify radiopharmaceuticals commonly obtained from a cyclotron and those commonly obtained from a nuclear reactor. - answerCyclotron: Thalium 201, Iodine 123, Flourine 18 Nuclear reactor: molybdenum 99 (Tc 99 parent) Name the radionuclide most commonly utilized in nuclear medicine and its parent. - answer-Technetium 99 (Tc99m) -molybdenum (99MO) (parent) Name what the chemical form Tc-99m is in when it is eluted from the generator. - answer99mTc04- 99m Technetium Pertechnetate Identify anatomical sites that pertechnetate will localize. - answerthyroid (most prominent uptake) salivary glands gastric mucosa choroid plexus Give two reasons why gamma-emitting radionuclides are preferred over other types of radiation emissions for nuclear medicine studies. - answerThey are energetic enough to pass through patients but cause less damage. Differentiate the radiation safety practices used in the nuclear pharmacy from the nuclear medicine department. - answerTime: work efficiently Distance: L-block, etc. Shielding: thicker shields (syringe/vials) Differentiate a radionuclide from a radiopharmaceutical. - answerradionuclide- no extra directing it to parts of the body it would not naturally go to Explain the general purpose of USP 797 guidelines. - answerguidelines for preparation of sterile drugs aseptic tech/sterility Identify the five items of information needed when a radiopharmaceutical dose is ordered from the nuclear pharmacy. - answerpatient name procedure radiopharmaceutical dosage amount time of administration Define the term interventional agent and explain how this dose differs from a radiopharmaceutical. - answer-adjunctive meds -pharmaceuticals -not radioactive -administrate prior to or during scan -provoke physic response -challenge patients physiology Identify the two radiopharmaceuticals utilized in bone imaging. - answer-99mTc MDP (methyiene diphosphohate) -99mTc HDP (oxidronate) Identify the route of radiopharmaceutical administration and its excretory pathway from the body. - answerroute- IV injection excretory pathway- urine Identify the typical waiting time between radiopharmaceutical injection and when imaging begins. - answer2-3 hour waiting time Explain the different acquisition types used for bone imaging. - answerdynamic- blood flow static- 5-10 minute picture whole body- all bones SPECT- to see deeper within bone area