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Quiz 75
Mdcat-past-papers Quiz
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1481. Which of the following is NOT the somatic biological effect of radiation?
Skin burn
Loss of hair
Induction of cancer
Gene mutation
1482. Radiations are dangerous to living organisms because they damage the cell by:
Producing ions in the cells
Increasing the temperature of cells
Decreasing the number of cells
Destroying the cells
1483. The skin cancer can be caused by:
Alpha radiation
Beta radiation
Gamma radiation
Ultraviolet radiation
1484. Skin burns, loss of hair, drop in the white blood cells etc. are examples of:
Somatic effect
Genetic effect
Metabolism effect
Mutation effect
1485. 3.7 × 10 disintegration/second is equal to:
1
10
100
1000
1486. Radioactive decay is directly proportional to the stability of the:
Zener effect
Atmosphere
Isotopes
Half-life
1487. Skin burn, loss of hair, drop in white blood cell and induction of cancer are examples of:
Zener effect
Genetic effect
Somatic effect
Biological effect
1488. Skin burn, loss of hair, drop in white blood cell and induction of cancer are examples of:
Zener effect
Genetic effect
Somatic effect
Biological effect
1489. Which one is not the unit of radioactivity?
Becquerel
Decay/second
Tesla/m
Curie
1490. Curie is the unit of:
Radioactivity
Temperature
Half-life
Transition of magnetism
1491. For the treatment of cancer, the source of gamma rays used is:
Co-60
Iodine-126
Na-15
Pb-207
1492. Gamma ray camera can observe radiations from the ------- that are concentrated in the organs.
Atoms
Molecules
Isotopes
Neutrons
1493. While using radiation therapy, cancerous thyroid is treated with:
Carbon
²³⁵Uranium
Thorium
Iodine-131
1494. Unit of Gy:
J/kg
JKg
KJ/Kg
JKg
1495. Which rays are used in medical diagnosis?
X-rays
Gamma rays
Alpha rays
Beta rays
1496. 1 Gy is equal to:
1 Jkg
1 Jkg⁻¹
1 J⁻¹kg
J⁻¹K⁻¹
1497. A 32 g radioactive element decays and remains 2 g after 60 days. What is half-life of this radioactive element?
2 days
10 days
6 days
15 days
1498. One rem is equal to:
0.01 Gy/RBC
0.01 Gy × RBC
0.01 RBC
0.01 Gy
1499. 1 rad is equal to:
0.01 J/Kg
0.01 Kg/J
0.01 J
0.01 Kg
1500. A 60 kg man absorbs lethal whole body equivalent dose of 200 rem with RBE factor of 10. Energy absorbed is:
9 J
8 J
10 J
12 J
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