CT Registry MIC questions with correct answers

CT is commonly referred to as the following names except? a)computed tomography b)computerized axial tomography c)Cat-Scan d)digital subtraction angiography CORRECT ANSWER d)digital subtraction angiography What control does the operator have over the x-rays in a CT exam? a)the temperature and color of the x-rays can be tuned b)the phase and frequency of the x-rays can be adjusted c)the energy level and the quantity of x-rays can be selected (KV,MAS) d)the volume and tone of the x-rays can be dialed CORRECT ANSWER c)the energy level and the quantity of x-rays can be selected (KV,MAS) Which of the following statements is true: a)kV is the voltage potential between the tube cathode and anode while mA controls the filament current and, thus, ultimately the temperature of the cathode filament b)kVcontrols the energy level of the x-ray photons and mA controls the number of x-ray photons and emitted from the tube c)a &b d)none of these CORRECT ANSWER c)a&b An increase in kV equals CORRECT ANSWER An increase in energy level of photons so that they are able to penetrate various tissues.