DHYG Radiology Exam 1 with correct answers graded A+ 2024/2025

DHYG Radiology Exam 1Wilhelm Roentgen (November 1895) - correct answer worked with a vacuum tube (Crooke's Tube) -Realized something from the tube made his Fluorsecent plates glow in the darkroom -placed his hand in front if and saw an outline of bones 1st X-ray - correct answer Roentgen's wife's hand with a 15 minute exposure Dr. Walkhoff - correct answer - 1st Dental x-ray on himself with 25 minute exposure todays exposure is - correct answer 1/10 a second (6 impulses) Dr. Rollins - correct answer 1st x-ray unit Dr. Morton - correct answer -made 1st dental radiograph in United States using skull radiation - correct answer the emission and propagation of energy through space or a substance in the form of waves or particles x-rays - correct answer invisible waves or bundles or energy that possess certain properties that allows us to see differences in densities in opaque objects -are intricate and essential part of Dental Diagnosis -images produced are referred to as radiographs control panel - correct answer -has a setting for mA and kVp -specific setting for exposure time depending on dental area control panel features - correct answer -on/off switch 1. Exposure Button - "Dead Man's Switch" - a sound will accompany exposure (cord or wall mount) 2. Exposure time -impulses or portion of a second - 60 impulses - 1 second - Depends on dental area and/or patient size 3. Milliampere (mA) - quantity of x-rays 4. Kilovolt Peak (kVp) - quality of x-rays or the penetration exposure time - correct answer -impulses or portion of a second - 60 impulses - 1 second - Depends on dental area and/or patient size Milliampere (mA) - correct answer quantity of x-rays Kilovolt Peak (kVp) - correct answer quality of x-rays or the penetration Tubehead - correct answer Cone or PID (position indicating device) -vertical angle dial -round or rectangular collimation -short or long tubehead