Which of the following is the main purpose of a cyclotron in radiopharmaceutical production?

• To store radioactive waste

• To accelerate charged particles and produce radionuclides

• To replace gamma cameras in nuclear medicine imaging

• To measure patient radiation dose

Which factor has the greatest influence on radiation exposure to workers during PET radiopharmaceutical transport?

• The distance between the worker and the radioactive package

• The color of the transport vehicle

• The route length chosen for delivery

• The brand of the lead container used

What is the most common source of radiation exposure in PET radiopharmaceutical production?

• Gamma cameras

• Radiopharmaceuticals containing positron emitters

• X-ray tubes

• Magnetic resonance scanners

Which monitoring practice is most appropriate for detecting airborne radioactive contaminants in a cyclotron-based PET radiopharmaceutical laboratory?

• Personal dosimetry with TLD

• Area monitoring with a portable Geiger-Müller counter

• Air sampling with a continuous radiation monitor

• Survey of surface contamination using a wipe test only

What is the main method used to manage short-lived radioactive waste in nuclear medicine?

• Immediate disposal into regular trash

• Incineration without control

• Decay-in-storage until the activity is below clearance level

• Mixing with chemical waste for dilution

What is the main goal of radiation safety in radionuclide therapy?

• To shorten the patient's hospital stay

• To ensure patient treatment is effective while minimizing unnecessary exposure

• To improve the speed of imaging equipment

• To reduce the cost of radiopharmaceuticals

The SI unit of radioactivity is

• Roentgen

• Becquerel

• Rutherford

• Curie

Radionuclide which is used for thyroid cancer is

• I-129

• I-130

• I-131

• I-132

When an electron is removed from an atom, the atom is said to be:

• Radioactive.

• Ionized.

• Inert.

• Metastable.

10 Ci is equal to _____ .

• 3.7 Bq

• 370 GBq

• 370 MBq

• 37 MBq