Trivia

Question 1

What are the four Rs of radiobiology?

Answer 1

Repair of sublethal damage
Reassortment of cells within the cell cycle
Repopulation
Reoxygenation

Text: Radiobiology for the Radiologist

Question 2

Radiosensitizing chemotherapeutics

Answer 2

Cisplatin
Carboplatin
Gemcitabine
5-FU
Dacarbazine
Lomustine
Doxorubicin
Methotrexate
Palladia

Question 3

Early-responding tissues

Answer 3

Skin (epidermis)
Mucous Membranes
Brain
Eye (tear ducts and cornea)
GIT

Question 4

Late-responding tissues

Answer 4

Brain
Spinal Cord
Nerves
Muscle
Bone
Eye (lens, retina)
Nose and sinuses
Kidneys

Question 5

What would be the risk of using Metronidazole in a patient receiving radiation therapy?

Answer 5

Metro is a radiosensitizer, but shouldn’t cause any problems at the doses we use for diarrhea

Source: J Lyons