The SI units for absorbed dose are:

The cumulative occupational exposure limit for a 22 year old radiation worker is:

Human tumors are believed to contain hypoxic cells which: can make tumors more radio resistant than normal tissues can reoxygenate during the course of radiation therapy may cause radiotherapy to fail locally

Radiation protection is primarily concerned with:

Accelerated repopulation is when tumor cells accelerate growth approximately 28 days after radiation therapy treatment has begun.

Fractionating a dose of radiation is less effective in causing cell death than a single dose of radiation.

Which of the following chemotherapeutic agents are most common in radiation therapy? 5-Fluorouracil Cisplatin Nimorazole Tirapazamine

Which of the following is a mechanism of action for hypoxic cell radiosensitizers?

Which of the following is TRUE regarding genetically significant dose (GSD)?

Deterministic effects of radiation are characterized best by: