Radiobiology MCQs with Answers

The process of cells dying due to radiation exposure is known as ________.

Which of the following is a deterministic effect of radiation exposure?

Which of the following tissues is most sensitive to radiation?

The RBE of a radiation type depends on its ________.

The process of cells dying due to radiation exposure is called ________.

Which of the following is a measure of radiation output in air?

The term “LET” stands for ________.

Which of the following radiation types has the highest LET?

The RBE of a radiation type depends on its ________.

Radiation with high LET is more likely to cause ________.

The process by which radiation changes the structure of a material through which it passes is called ________.

The radiation weighting factor (WR) is highest for ________.

Which of the following is a type of deterministic effect of radiation?

Which of the following is a form of indirect DNA damage by radiation?

The unit of absorbed dose is ________.

The process of radioactive decay results in the emission of ________.

The process of DNA breaking into smaller fragments due to radiation exposure is called ________.

The linear non-threshold model suggests that ________.

Which of the following radiation types is most easily stopped by a piece of paper?

The fractionation of radiation therapy refers to ________.

The process of repairing radiation-induced DNA damage in cells is called ________.

The unit of equivalent dose is ________.

The inverse square law governs the ________.

Which of the following is NOT a type of radiation?

The concept of “relative biological effectiveness” (RBE) compares the ________.

The oxygen effect refers to ________.

The process of radiation therapy planning involves ________.

The process of cell division is most sensitive to radiation during the ________ phase.

The linear energy transfer (LET) of radiation ________.

Biological effects of radiation primarily depend on ________.

The process of repairing DNA damage in cells is called ________.

Which of the following is a stochastic effect of radiation exposure?

Which of the following is NOT a characteristic of gamma rays?

The quality factor (QF) accounts for ________.

The law of Bergonie and Tribondeau states that ________.

The RBE of a radiation type is highest for ________.

Which of the following radiation types is most penetrating?

Which of the following is a stochastic effect of radiation?

Which of the following is NOT a characteristic of alpha particles?

The half-life of a radioactive material is the time taken for ________.