Rad Bio Final Exam Questions and
Answers Latest Version Already Passed
What is the primary unit of radiation measurement?
Rad
✔✔ Rem
Gray (Gy)
Sievert (Sv)
What type of radiation is most commonly used in medical imaging?
Beta particles
Gamma rays
✔✔ X-rays
Alpha particles
Which of the following is the most sensitive tissue to radiation?
Muscle
Fat
1
,✔✔ Bone marrow
Bone
What is the term for the biological effects of radiation on the body?
Radiologic physics
✔✔ Radiation biology
Radiation protection
Radiation physics
What is the difference between somatic and genetic radiation effects?
Somatic effects affect offspring; genetic effects affect the individual.
Somatic effects only occur with high doses; genetic effects do not.
✔✔ Somatic effects affect the individual; genetic effects affect offspring.
Somatic effects are short-term; genetic effects are long-term.
Which of the following best describes ionizing radiation?
Radiation that causes the formation of ions without removing electrons
Radiation that has no effect on atoms
2
,✔✔ Radiation that removes electrons from atoms
Radiation that causes electrons to gain energy
What does the ALARA principle stand for in radiation protection?
As Low As Radiation Avoidable
✔✔ As Low As Reasonably Achievable
As Long As Radiation Avoidable
As Low As Radiographic Allowable
Which organ is most affected by long-term radiation exposure?
Liver
✔✔ Thyroid
Skin
Lungs
What is the primary factor influencing the amount of radiation dose received?
Time
Shielding
3
, ✔✔ Distance
All of the above
What is the term for the measure of the biological effect of radiation on living tissue?
Radiation absorption
✔✔ Dose equivalent
Radiation exposure
Effective dose
What is the role of a dosimeter in radiation protection?
To store radiation data
To enhance the effectiveness of shielding
✔✔ To measure the radiation dose received by the worker
To prevent exposure to radiation
What is the most common effect of radiation exposure on cells?
Cell death
✔✔ Cell mutation
4
Answers Latest Version Already Passed
What is the primary unit of radiation measurement?
Rad
✔✔ Rem
Gray (Gy)
Sievert (Sv)
What type of radiation is most commonly used in medical imaging?
Beta particles
Gamma rays
✔✔ X-rays
Alpha particles
Which of the following is the most sensitive tissue to radiation?
Muscle
Fat
1
,✔✔ Bone marrow
Bone
What is the term for the biological effects of radiation on the body?
Radiologic physics
✔✔ Radiation biology
Radiation protection
Radiation physics
What is the difference between somatic and genetic radiation effects?
Somatic effects affect offspring; genetic effects affect the individual.
Somatic effects only occur with high doses; genetic effects do not.
✔✔ Somatic effects affect the individual; genetic effects affect offspring.
Somatic effects are short-term; genetic effects are long-term.
Which of the following best describes ionizing radiation?
Radiation that causes the formation of ions without removing electrons
Radiation that has no effect on atoms
2
,✔✔ Radiation that removes electrons from atoms
Radiation that causes electrons to gain energy
What does the ALARA principle stand for in radiation protection?
As Low As Radiation Avoidable
✔✔ As Low As Reasonably Achievable
As Long As Radiation Avoidable
As Low As Radiographic Allowable
Which organ is most affected by long-term radiation exposure?
Liver
✔✔ Thyroid
Skin
Lungs
What is the primary factor influencing the amount of radiation dose received?
Time
Shielding
3
, ✔✔ Distance
All of the above
What is the term for the measure of the biological effect of radiation on living tissue?
Radiation absorption
✔✔ Dose equivalent
Radiation exposure
Effective dose
What is the role of a dosimeter in radiation protection?
To store radiation data
To enhance the effectiveness of shielding
✔✔ To measure the radiation dose received by the worker
To prevent exposure to radiation
What is the most common effect of radiation exposure on cells?
Cell death
✔✔ Cell mutation
4
