NMTCB MOCK EXAM Qs and 100% correct answers

A false positive In-111 WBC scan may be due to increased abdominal uptake in a patient: a. that is currently taking antibiotics b. with a sinus infection c. with a stomach ulcer d. with a renal cyst e. with cholecystitis - correct answer B. Sinus Infection due to sinus drainage A patient receives 285uCi of I-123 NaI orally for a thyroid uptake study. Calculate the 24 hour percent uptake using the given data: Dose Count= cpm Background= 88 cpm Patient counts= cpm Patient Background count= 473 cpm - correct answer 14% (neck-thigh)(100)/(capsule-BKG) (-473)(100)/(-88) The image was obtained while performing a WBB scan on a 62 year old male, the most probable reason for the appearance on the image is: a. metastatic disease b. trauma to chest wall c. localized osteoporosis d. osteomyelitis e. Paget's disease - correct answer B. Trauma to chest wall (metastatic will appear sporadically, pagets will show increase brain, femur, and pelvis. Trauma is usually displayed as a pattern)