Basics of Radiation
Über den Vortrag
Der Vortrag „Basics of Radiation“ von Hetal Verma, MD ist Bestandteil des Kurses „Year 4 – Selective Sub-Internship“. Der Vortrag ist dabei in folgende Kapitel unterteilt:
- Ionizing Radiation
- Effects, Risk and Protection of Radiation
Quiz zum Vortrag
A pregnant female undergoes multiple abdominal CT scans for extensive trauma at a gestational age of 30 weeks. The child from that pregnancy develops leukemia at the age of 8. Which of the following statements is TRUE?
- If the leukemia is related to radiation exposure, this would be a stochastic effect.
- If the leukemia is related to radiation exposure, this would be a deterministic effect.
- The leukemia is linked to radiation exposure.
- The leukemia is not related to radiation exposure since the exposure occurred at a late gestational age.
- The mother should not have undergone any imaging due to the possibility of radiation effects on the fetus.
What type of radiation is deflected in a different direction and is neither absorbed nor transmitted to the detector?
- Scatter
- Absorbed
- Transmitted
- Resorbed
- Deflected
Which of the following is NOT a source of radiation?
- Ultrasound
- Cosmic radiation
- X-ray
- Soil
- Radon
Which of the following is a feature of deterministic effects of radiation?
- It results in skin erythema, cataract and sterility.
- It is dose independent.
- Increasing the dose increases the probability of its biological effect.
- There is no set threshold dose for the effect to occur.
- It can lead to the development of cancers.
A 28-year-old woman recently discovered she was pregnant. If she has a radiation exposure of more than 10mGy on the 10th day of conception, what is the probable effect on the fetus?
- Fetal demise
- Microcephaly
- Mental retardation
- Childhood malignancies
- Urinary tract anomalies
Which among the following is NOT implemented for radiation protection?
- Use lead shielding for the family member of radiologists and technologists to prevent transmitting radiation.
- Follow ALARA - as low as reasonably achievable.
- All radiologists and technologists must be monitored by a film badge which shows the amount of radiation that the person is receiving.
- Use lead shields during the exposures.
- Design rooms with shields.
Dozent des Vortrages Basics of Radiation
Hetal Verma, MD
Dr. Hetal Verma is a Clinical Instructor of Radiology and the Co-Director of the Radiology Cambridge Integrated Clerkship at Harvard Medical School, MA, USA.
She is a graduate of the University of Massachusetts Medical School and completed her Breast Imaging fellowship at the Massachusetts General Hospital. Since 2012, she is the Director of Breast Imaging at Cambridge Health Alliance Radiology, a teaching affiliate of Harvard Medical School.
She is passionate about women's health and has vast experience in teaching medical students and residents at Harvard Medical School.
Within Lecturio, Dr. Verma teaches courses on Radiology.
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