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Which of the following fluoroscopic settings can increase image brightness with the LOWEST increase in patient dose?

Which of the following are types of beam-restriction devices? 1- Extension cylinders and cones 2- Added filtration 3- Collimators

. Which of the following pertains to protection practices in the nuclear medicine “hot lab?” 1. No food or drink consumed 2. No personal dosimeters are worn 3. No radioactive gasses stored

Tolerance in the context of radiation oncology means that:

Inherent filtration consists of all of the except:1- X-ray tube window2- Insulating oil3- Collimator

The ratio of the dose required to treat a hypoxic tumor to the dose required to treat the same tumor under oxygenated conditions defines:

The CT dose index (CTDI) can be used to perform calibration checks for quality control purposes.

Which of the following radiations is most effective at treating superficial cancerous lesions like malignant melanoma or Kaposi’s sarcoma?

43 mCi of Gallium-68 (half life = 280 days) is kept in storage in the nuclear medicine department “hot lab.” How much Ga-68 remains after 1,680 days?

Which of the following are NOT used in nuclear medicine as diagnostic radiopharmaceuticals?1. Xenon-133 2. Technetium-99m 3. Polonium-214