ARRT SAFETY REVIEW 120 Questions with Complete Solutions 2023
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Which cell types have the lowest radiosensitivity: nerve cells muscle cells spermatids lymphocytes - Correct Answer nerve cells (except in fetal life, they are highly radiosensitive) Which cell... s are the most radiosensitive in the body - Correct Answer lymphocytes Which interaction between x-ray photons and matter involves a high energy photon and the ejection of an outer shell electron? photoelectric effect coherent scatter Compton scatter pair produciton - Correct Answer Compton scatter What is likely to occur if 250 mGy is accidentally delivered to a recently fertilized ovum? Skeletal anomalies CNS anomalies Spontaneous abortion Childhood malignancy - Correct Answer spontaneous abortion Primary radiation barriers include: - Correct Answer walls, doors, floors secondary radiation barriers include - Correct Answer lead aprons, lead gloves, thyroid shields, ceiling In which of the following examinations would an IR front having very low absorption properties be especially important? Abdominal radiography Extremity radiography Angiography Mammography - Correct Answer mammography The most radiosensitive portion of the GI tract is - Correct Answer small bowel Which of the following has (have) an effect on the amount and type of radiation-induced tissue damage? Quality of radiation Type of tissue being irradiated Fractionation [Show More]
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