Ch 3 Radiation and its Effects Quiz

What are the two ways in which ionizing radiation affects living tissue?

• Free radical formation and cell division

• Ionization and free radical formation

• Free radical formation and DNA replication

• Ionization and cell division

Which theory suggests that X-ray photons can affect a critical area of the cell?

• Indirect theory

• Direct theory

• Photoelectric effect

• Compton scatter

What is the latent period in radiation exposure?

• The period of injury and recovery

• The time it takes for radiation to reach critical organs

• The time between exposure and clinical signs

• The time it takes for radiation damage to occur

Which type of cells are most sensitive to radiation?

• Nerve cells

• Blood cells

• Muscle cells

• Bone cells

Which organs are considered critical in dental radiography?

• Pancreas, spleen, gallbladder, appendix

• Skin, thyroid, lens of the eye, bone marrow

• Heart, stomach, intestines, bladder

• Brain, liver, lungs, kidneys