ARRT SAFETY REVIEW questions with correct answers

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 cells 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: CORRE