NMTCB Sample Exam Questions and Answers with complete solutions

NMTCB Sample Exam Questions and Answers with complete solutions What is being evaluated with chromatography testing of technetium radiopharmaceuticals A. Aluminum Contamination B. Molybdenum Breakthrough C. Radionuclidic Purity D. Radiochemical Purity E. Chemical Purity - Answer ️️ -D. Radiochemical Purity The use of elliptical and or body counter orbits in SPECT imaging should result in improved A. Temporal Resolution B. Spatial Resolution C. Reconstruction Times D. Acquisition Times E. Patient Comfort - Answer ️️ -B. Spatial Resolution Which of the following variables does not affect spatial resolution in nuclear medicine imaging systems A. Physical Design of the collimator B. Material of which the collimator is constructed C. Energy of the gamma rays being counted D. Computer matrix pixel size E. Byte vs word acquisition mode - Answer ️️ -E. Byte vs word acquisition mode Full Width at Half Maximum (FWHM) is often used as a measure of A. Uniformity B. Sensitivity C. Intensity D. Resolution E. Deadtime - Answer ️️ -D. Resolution Uncorrected field flood non uniformities cause ______ artifacts in tomographic reconstruction A. Irregular B. Dropout C. Circular D. Undulating E. Linear - Answer ️️ -C. Circular How many 16 bit words of memory are required for a 64 by 64 byte mode image A. 2048 B. 4096 C. 16,384 D. 32,768 E. 65,535 - Answer ️️ -A. 2048 What are areas of prolonged retention of Xe133 in the lungs associated with A. Reduced trapping in the lung B. Obstructive Lung Disease C. Pulmonary Embolism D. Bacterial Pneumonia E. Septal Penetration - Answer ️️ -B. Obstructive Lung Disease A patient is to undergo a multiple gated cardiac blood pool study with the heart cycle divided into 20 frames. The patient is in normal sinus rhythm and has a heart rate of 68 bpm. The computer should lock in at what time per frame for this study A. 44 milliseconds B. 56 milliseconds C. .29 seconds D. 1.5seconds E. 3.4 seconds - Answer ️️ -A. 44millisecon