NMTCB Radiation Physics & Detection

Question 1

What is the primary purpose of radiation detection in nuclear medicine?

Accepted Answer

To monitor radiation exposure levels for safety

Answer

To ensure accurate diagnosis.

Answer

To increase radiation dose.

Answer

To limit medical treatments.

Question 2

What does the Geiger-Müller counter measure?

Accepted Answer

Ionizing radiation, including beta particles, gamma rays, and X-rays

Answer

Only gamma radiation.

Answer

Only beta particles.

Answer

Non-ionizing radiation.

Question 3

What is the function of scintillation crystals in radiation detection?

Accepted Answer

To absorb radiation and emit light for detection

Answer

To increase radiation dose.

Answer

To store radiation energy.

Answer

To measure non-ionizing radiation.

Question 4

What is the role of collimators in radiation detection?

Accepted Answer

To focus and direct the radiation beam

Answer

To increase scatter radiation.

Answer

To filter the radiation.

Answer

To reduce radiation intensity.

Question 5

Why is radiation shielding important in nuclear medicine?

Accepted Answer

To reduce radiation exposure and protect safety

Answer

To increase radiation exposure.

Answer

To reduce imaging quality.

Answer

To limit the number of procedures.

Question 6

What is the function of a dosimeter in radiation safety?

Accepted Answer

To measure the radiation exposure of individuals

Answer

To monitor radiation levels in the environment.

Answer

To monitor radiation dose during imaging.

Answer

To limit radiation exposure.

Question 7

What type of radiation is commonly used for imaging in nuclear medicine?

Accepted Answer

Gamma radiation

Answer

Alpha radiation.

Answer

Beta radiation.

Answer

Neutron radiation.

Question 8

Why are radionuclides used in nuclear medicine?

Accepted Answer

To diagnose and treat diseases through targeted radiation

Answer

To increase radiation dose.

Answer

To limit imaging.

Answer

To reduce patient exposure.

Question 9

What is the role of quality control in radiation detection equipment?

Accepted Answer

To ensure accurate and reliable equipment performance

Answer

To increase equipment downtime.

Answer

To decrease equipment performance.

Answer

To limit radiation exposure.