With 100% Solved Solutions
True or false: Radiation therapy began approximately one year after x-rays were
discovered in 1895 - Answer- True
True or false: the first use of radiation therapy was for an advance case of breast cancer
in 1896 - Answer- True
True or false: cells that are immature, non-specialized, and rapidly dividing are very
radiosensitive - Answer- True
True or false: like other diagnostic imaging modalities, radiation therapy is commonly
used to diagnose disease - Answer- False
Radiation therapy is practiced by exposing a diseased area to various types of _____
while also trying to _____ The unaffected parts of the patient's body from radiation
exposure - Answer- Radiation/protect
True or false: all diseases treated with radiation therapy or cancerous - Answer- False
True or false: a radiation therapist applies ionizing radiation to the patient in accordance
with the prescription and instructions of the radiologist - Answer- False
Unlike diagnostic radiography, in which the radiographer has brief contact with patients,
patients undergoing radiation therapy are seen on a ____ Basis - Answer- Regular
Programmed cell death is known as - Answer- apoptosis
True or false: A direct action takes place when ionizing radiation directly causes
ionization of a critical molecular structure (DNA) - Answer- True
True or false: radiolysis of water would be the result of an indirect action of ionizing
radiation - Answer- True
True or false: free radicals produced by radiolysis of water can cause damage to cellular
DNA - Answer- True
Cancer cells have a lower metabolic rate than normal cells - Answer- False
What is the first step involved in radiation therapy treatment - Answer- Diagnosis
True or false: radiation therapy treatment planning is prescribed by the radiation
therapist - Answer- False