Radiography for Vet Tech Penn Foster Exam with Complete Solutions

Radiography for Vet Tech Penn Foster Exam with Complete Solutions How is the electromagnetic spectrum measured? ANSWER Energy (eV), frequency (Hz), and wavelength (λ) Why is the x-ray tube enclosed in glass? ANSWER The x-ray tube is enclosed in glass so a vacuum can be created. What's the purpose of a rotating anode? ANSWER To dissipate heat more quickly and prevent damage to the anode Why are short wavelengths better than long wavelengths for radiograph production? ANSWER They're very powerful and the potential for penetration through a mass is better. The x-ray tube consists of what two parts? ANSWER anode and cathode What does the control panel do? ANSWER allows the operator to control the x-ray machine and adjust the settings Why is it important in veterinary radiology to keep the mA setting as high as possible? ANSWER the exposure time can be as low as possible Technique is a term used for the major factors set on a radiology machine control panel. What factors are included in this term? ANSWER kV, mA, and time (seconds) Where is the grid located? What is its purpose? ANSWER The grid is located under the table and above the cassette holding tray. Its purpose is to prevent scatter radiation