Lead collimator - Study guides, Class notes & Summaries

RHS 2024 Exam Questions with Correct Answers Ideal temp for xray development solution - Answer-68 degrees Incorrect horizontal angulation - Answer-overlap/superimposition earliest sign of skin exposure to radiation - Answer-erythema recommended collimation of primary beam at pt's skin surface - Answer-2.75 lead diaphram - Answer-collimator filter - Answer-aluminum disk most effective way to reduce exposure to genetic tissue - Answer-lead apron most radiolucent structure of...

DANB RADIOLOGY EXAM QUESTIONS AND ANSWERS ALL CORRECT What is the bremsstrahlung radiation - Answer-aka general radiation; stopping or slowing of the electrons of the cathode stream as they collide with the nuclei of the target atoms What is the collimator made out of? - Answer-Lead What is the earliest sign of radiation exposure? - Answer-erythema What is the emulsion composed of? - Answer-gelatin and silver halide crystals What is the Latent image? - Answer-invisible image (remain...

milliammeter (mA) - Answer determines the number of electros available to produce x-rays 7-15mA kilovolt peak (kVp) - Answer force used to move electrons 60-90kVp tube head - Answer houses mechanical, electrical, and safety components extension (support) arm - Answer allows for placement of position indicating device and houses electrical cords that connect the control panel and tube head position indicating device (PID) - Answer aims the x-rays round or rectangula...

IEM MIDTERM Questions with complete solution 2024 X-RAY TUBE - correct answer -Electronic vacuum tube that contains two electrodes: the cathode and anode (a diode), which are necessary for the production of x-ray beam -the most important part of the x-ray, at the same time it is also the most vulnerable. cathode and anode - correct answer two electrodes Coolidge (Cathode ray) tube - correct answer - the first x-ray tube used 30 to 50 cm long and 20 cm in diameter - correct answer Moder...

IEM MIDTERM Questions with complete solution 2024 X-RAY TUBE - correct answer -Electronic vacuum tube that contains two electrodes: the cathode and anode (a diode), which are necessary for the production of x-ray beam -the most important part of the x-ray, at the same time it is also the most vulnerable. cathode and anode - correct answer two electrodes Coolidge (Cathode ray) tube - correct answer - the first x-ray tube used 30 to 50 cm long and 20 cm in diameter - correct answer Moder...

RAD EXAM 1 QUESTIONS WITH 100% CORRECT ANSWERS 2024/2025 Define radiation - ANSWERSa form of energy carried by waves or a stream of particles Steps to produce x-rays - ANSWERS1: x-ray machine on 2: current travels from control panel to the tubehead 3: current directed to filament circuit and step-down transformed in the tubehead. 110/120v to 3-5v 4: filament current uses 3-5 to heat tungsten filament in cathode portion of x-ray tube 5: exposure button pushed - activates high voltage ...

LRA 222 Quiz Test Questions and Answers A significant amount of collimation will have what effect on the amount of radiation - Answer-reduced. When imaging the pelvis, changing from 14 × 17 collimation to 8 × 10 collimation requires - Answer-an increase in mAs. A flat piece of lead with a hole in it that has a flange directed toward the patient is a(n) - Answer-cone or cylinder. The most effective and often used radiographic beam-restriction device is the - Answer-collimator. Th...

1. Film Errors ANS -overexposure -underexposure -Overlap foreshortened images elongated images cone cut 2. Machine definitions ANS -Collimator-lead plate with a hole in the middle, fitted direct- ly over the opening of the machine housing where the x-ray beam exists. -Tube head-tube housing PID-extension of the x-ray tubehead. used to direct the x-ray beam. -control panel-regulation of the x-ray beam. plugged into electrical outlet. appears as console or cabinet. Extension Arm-suspends ...

which does the p in the kVp represent? a. peak b. paired c. parallel d. percentage - ️️a which of the following is not true as it relates to the components of dental x-ray tube a. the focusing cup has a negative electrostatic charge b. the anode of the positive end of the X-ray tube is made of tungsten and copper c. the cathode is the positively charged end of the x-ray tube d. the collimator is a lead disk with an aperture of various sizes and shapes - ️️c which part o...

thyroid collar - correct answer flexible lead shield -protect the thyroid gland from scatter radiation. lead apron - correct answer a flexible lead shield -to protect the patients reproductive and blood forming tissues from scatter radiation inherent filtration - correct answer primary beam passes through glass window, oil bars and tube head - 0.5 to 1.0mm aluminum added filtration - correct answer FILTERS OUT LONG WAVELENGTHS W LOW ENERGY AND SOFT RADIATION aluminum discs in the path of ...