live

Practical 4-II-Dose and detection

共 21 題,免註冊就能免費遊玩:A clinician wants to lower patient dose without losing image quality. Which adjustment of exposure factors is advised? / Exposure time of an intraoral radiograph is doubled with the same kV and mA. How does the patient dose change? / A dentist stands 1 m from the scattering patient

作者

關於這份測驗

  • 共 21 題

題目預覽

  • 1. Quiz: A clinician wants to lower patient dose without losing image quality. Which adjustment of exposure factors is advised?
  • 2. Quiz: Exposure time of an intraoral radiograph is doubled with the same kV and mA. How does the patient dose change?
  • 3. Quiz: A dentist stands 1 m from the scattering patient and then steps back to 2 m. How does the dose rate change?
  • 4. Quiz: An old report gives exposure in roentgens. What does exposure (X) physically measure?
  • 5. Quiz: A dosimetry report states the energy deposited per unit mass of tissue. In which unit is absorbed dose (D) measured?