Practice MCQ For Govt Pharmacist Exam, in this article we will solve, Practice MCQ on Radiopharmaceuticals under the subject Pharmaceutical inorganic chemistry of first semester. Read following article for your reference.
Radiopharmaceuticals » PHARMACAREERS
What is radioactivity?
– A. The ability of a substance to emit light spontaneously
– B. The process of converting stable isotopes into radioactive isotopes
– C. The spontaneous emission of energy and subatomic particles from unstable nuclei
– D. The absorption of radiation by matter
Which type of radiation has the highest penetration ability?
– A. Alpha rays
– B. Beta rays
– C. Gamma rays
– D. X-rays
What is the half-life of a radioactive element?
– A. The time it takes for half of the radioactive material to decay
– B. The time it takes for all radioactive material to decay
– C. The time it takes for radiation to reach its maximum intensity
– D. The time it takes for radiation to become stable
Which radiopharmaceutical is commonly used for thyroid imaging?
– A. Technetium-99m
– B. Iodine-131
– C. Fluorine-18
– D. Carbon-14
What precautions should be taken when handling radiopharmaceuticals?
– A. Store them in open containers
– B. Keep the dose rate above the maximum level
– C. Protect them from ionizing radiation
– D. Use glass containers that darken under radiation
Which radioactive element is used in bone scans?
– A. Technetium-99m
– B. Thallium-201
– C. Gallium-67
– D. Iodine-131
What is the primary purpose of radiopharmaceuticals in medicine?
– A. To treat bacterial infections
– B. To visualize internal organs and tissues
– C. To enhance blood circulation
– D. To relieve pain
Which radiations are emitted during the decay of a radioisotope?
– A. Alpha, beta, and gamma rays
– B. X-rays and gamma rays
– C. Alpha and beta rays
– D. Gamma rays only
What is the storage condition for radiopharmaceuticals?
– A. Room temperature
– B. Refrigeration
– C. Special area with well-closed containers
– D. Exposed to sunlight
Which radiopharmaceutical is used for cardiac imaging?
– A. Technetium-99m sestamibi
– B. Iodine-131
– C. Thallium-201
– D. Fluorine-18
Which of the following is NOT a type of radioactive decay?
– A. Alpha decay
– B. Beta decay
– C. Gamma decay
– D. Delta decay
What is the unit of radioactivity?
– A. Curie
– B. Becquerel
– C. Gray
– D. Sievert
Which of the following is the most penetrating type of radiation?
– A. Alpha particles
– B. Beta particles
– C. Gamma rays
– D. Neutrons
What instrument is used to measure the radioactivity of a sample?
– A. Geiger counter
– B. Scintillation counter
– C. Well counter
– D. All of the above
What is the background count?
– A. The count rate of a blank sample
– B. The count rate of a standard sample
– C. The count rate of the instrument itself
– D. Any of the above
True or False: Alpha particles are composed of two protons and two neutrons.
– A. True
-B. False
True or False: Beta particles are electrons.
– A. True
-B. False
True or False: Gamma rays are high-energy photons.
– A. True
-B. False
What is the half-life of a radioactive nuclide?
– A. The time it takes for half of the nuclides in a sample to decay
– B. The time it takes for all of the nuclides in a sample to decay
– C. The time it takes for the activity of a sample to halve
– D. Any of the above
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