Which of the x-ray circuit devices shown in the figure below requires alternating current for effective operation?1.    Number 12.    Number 23.    Number 7   

What does the number 1 in the image above identify?

Which of the following statements is/are true regarding the control dosimeter that accompanies each shipment of personnel radiation monitors?1.    It should be stored away from all radiation sources2.    It should be stored in the main work area3.    It should be used to replace an employee’s lost monitor  

The degree of difference between remnant beam signals is termed

An increase in the kilovoltage applied to the x-ray tube increases the1.    Percentage of high-energy photons produced 2.    Exposure rate3.    Patient absorption  

Which of the following is/are correct regarding care of protective leaded apparel?1.    Lead aprons should be fluoroscoped yearly to check for cracks2.    Lead gloves should be fluoroscoped yearly to check for cracks3.    Lead aprons should be hung on appropriate racks when not in use  

Which of the following is/are used to control the production of scattered radiation?a.    Collimatorsb.    Optimal kVc.    Use of grids  

Which of the following drugs may be used to prolong blood clotting time?1.    Heparin2.    Diphenhydramine3.    Lidocaine  

An increase in the kilovoltage applied to the x-ray tube increases the1.    Percentage of high-energy photons produced 2.    Exposure rate3.    Patient absorption  

Which of the following statements is/are true regarding the PA axial projection of the paranasal sinuses?1.    The CR is directed caudally to the orbitomeatal line (OML)2.    The petrous pyramids are projected into the lower third of the orbits3.    The frontal sinuses are visualized