CT Registry Review Mosby questions with correct answers

Matrix size formula CORRECT ANSWER DFOV/Matrix size x length of voxel What are the four parenteral routes? CORRECT ANSWER Intramuscular, Intravenous, Intradermal, Subcutaneous Increases in Partial Volume Effect means increase in what CORRECT ANSWER Section width Beam pitch formula CORRECT ANSWER Beam Pitch (MSCT)=table feed per rotation/total collimation Normal Platelet count CORRECT ANSWER 150,000-400,000 On MDCT cardiac exams, what HU is determined calcification CORRECT ANSWER ^130 HU Is gram negative an isolation? CORRECT ANSWER FALSE Acid fast Where does the abdominal aorta bifurcate? CORRECT ANSWER L4 (R L iliacs) When is the corticomedullary stage and what does it show? CORRECT ANSWER 30-40 seconds, renal cortex and renal veins Where is the majority of pancreatic tumors? CORRECT ANSWER Head of pancreas (Adenocarcinoma)