Ramer · Alavi Nuclear Medicine Technology

647 Central Nervous System Scintigraphy10) Which of the following are true regarding injection ofthe radiopharmaceuticals for SPECT brain imaging?a. lights should be dimmed during injectionb. the patient should encouraged to read or watch TVduring injection to take his or her mind off any painc. family members should be allowed to talk to thepatient during injectiond. injection should be made immediately after venouspuncture to avoid clot formation11) Which dose could be used for 99m Tc ECD or 99m TcHMPAO for SPECT brain imaging?a. 2–5 mCib. 5–7 mCic. 7–10 mCid. 20 mCi12) Ictal SPECT and PET studies require an injectionof radiopharmaceutical:a. during a seizureb. immediately after a seizurec. between seizuresd. both a and b13) HMPAO and EDC are lipophilic agents that do notsignificantly redistribute in the brain.a. trueb. false14) Advantages of using ECD over HMPAO for SPECTimaging of the brain include.a. can be injected up to 6 hours after preparationb. more rapid clearance from bloodstreamc. better target to background ratiod. all of the abovee. none of the above