Skeletal Imaging A multiple-choice quiz consists of: 10 QuestionsQuestions are selected randomly from a collection of 24 questions. More Questions You will get deferent questions every time you take the quiz. Correct AnswersThere could be more than one correct answer, select all that apply.Skip QuestionsYou are allowed to scroll backward and forward before submitting your answers.10 MinutesThe quiz has a time limit. Time's up You can still submit your answers after the allowed period of time has ended . When ready, click Next to start the quiz. Name (Required) Email (Optional) Twitter (Optional) 1. When performing a bone scan with Tc-99m methylene diphosphonate (MDP), the technologist sets the pulse height analyzer to 20% window. What is the acceptable energy range in this setting? 112–168 keV 120–160 keV 126–154 keV 130–150 keV None 2. Superbonescan is a result of reduced or absent tracer uptake in soft tissue because of.. Short interval between tracer injection and image acquisition Insufficiently long interval between tracer injection and image acquisition Excessive avidity of the osteoblasts populating the axial skeleton Insufficient avidity of the osteoblasts populating the axial skeleton None 3. Bone scan of a patient shows generalized diffuse activity in the abdomen. Which of the following is the most likely cause? Osteomyelitis. Osteopenia. Osteoporosis. Malignant ascites. None 4. In bone scan, image acquisitions between 6 and 24 hours after injection can be useful in case of... Urinary retention Renal insufficiency Osteomalacia Osteoporosis 5. A bone scan is used for evaluating the skeletal system. Extraosseus, pulmonary uptake on bone scintigraphy can be seen in patients with: Pneumothorax Emphysema Radiation pneumonitis Viral pneumonia None 6. The two most frequently affected sites in Paget’s disease are the bones: Skull and tibia. Femur and cervical spine. Thoracic spine and humerus. Pelvis and lumbar spine. None 7. Which of the following terms best describes an abnormal lateral curvature of the spine? Kyphosis Lordosis Sclerosis Scoliosis None 8. In bone scan, the acquisition of whole-body images is routinely performed. Except in... Specific indications with a localized area of interest Claustrophobic patients Patients with severe pain Uncooperative Children 9. Tc-99m methylene diphosphonate (MDP) is the most widely used bone imaging agent. Uptake of the tracer depends on all of the following EXCEPT Local blood flow Liver function Extraction efficiency Osteoblastic activity None 10. In bone scan, the recommended scanning speed for whole-body early phase images is? 2.5 to 3 cm per minute 25 to 30 cm per hour 25 to 30 cm per minute 2.5 to 3 cm per hour None 1 out of 10 Time's upTime is Up! By Nasser AlMutairi|2021-03-25T13:19:40+03:00March 25th, 2021| شارك هذه الصفحة FacebookXLinkedInWhatsAppPinterestEmail About the Author: Nasser AlMutairi Senior Nuclear Medicine Specialist at Hafar Al-Batin Central Hospital, Founder of NuclearMed Website. Leave A Comment Cancel replyComment Δ
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