58

FUNDAMENTALS OF RADIATION PHYSICS AND RADIOACTIVITY.IONIZING RADIATION MEASUREMENT AND DOSES, UNIT OF RADIOACTIVITY .DOSE AND LIMITATION OF RADIATION EXPOSURES. RADIOBIOLOGY AND RADIATION RISKS . INTERACTION OF RADIATION WITH THE MATTER AND EFFECT ON THE HUMANS, NORMAL AND MALIGNANT CELLS.

1. What is the Alfa emission?

1. *The emission of a helium nucleus

2. The emission of hydrogen nucleus

3. The emission of the carbon nucleus

4. The emission of protons

5. The emission of neutrons.

2. What is the beta decay?

1. *The emission of electrons

2. The emission a helium nucleus

3. The emission of the carbon nucleus

4. The emission of protons

5. Electromagnetic radiation

3. What is Gamma ray:

a. Electromagnetic radiation

b. The emission a helium nucleus

c The emission a carbon nucleus

d. The emission of protons

e. The emission of neutron

4. Penetration of Alfa emission into the soft tissue is :

1. *10 mkm

2. 1 m

3. 10 cm

4. 10 mm

5. 10 m.

4. Penetration of beta emission into the soft tissue is

1. *10 mm

2. 1 m

3. 10 cm

4. 10 m

5. 10 mkm

4. Which type of radioactive decay positrons is processed?

1. * Beta decay

2. Alfa decay

3. Gamma ray

4. Nuclear synthesis

4. What type of radioactive decay produced maximum of biological effects

a.* Alfa decay

b. Beta decay

c. Gamma ray

d. Neutron emission

4. What type of the radioactive emission appear maximum penetration distance?

a.*Neutrons

b. Beta decay

c. Alfa decay

4. Law of Bergonie and Tribondeau. What is the true answer?

1. *The radiosensitivity is directly proportional to mitotic activity and inverse proportional to the degree of functional and morphological

differentiation.

2. The radiosensitivity is inverse proportional to the mitotic activity and degree of morphological differentiation

3. The radiosensitivity is directly proportional to the to mitotic activity and degree of morphological differentiation

4. The radiosensitiviry is inverse proportional mitotic activity and directly proportional of morphological differentiation

5. The radiosensitivity is not depended from mitotic activity and morphological differentiation.

4. The radiosensitivity of the cells are consequent diminished which consequence is true

1. * Haematopoetic stem cells ,sprematogonia, neuroblasts

2. . Myocites

3. Connective tissue, parenchymatous organs

4. Bone cells

4. The biological effects of ionizing radiation on humans in which severity of an effect depends on the radiation dose and occurs once the threshold has been classify as:

1. *Deterministic ( not stochastic) effects

2. Stochastic effects

3. Teratogenic effects

4. Mutagenesis

4. The biological effects of ionizing radiation on humans in which the severity of radiation-induced effects is independent of radiation dose and affects the probability of effects occurring is classify as:

1. * Stochastic effects

2. Deterministic ( not stochastic) effects

4. What is the unit of radiation exposure dose?

1. * Culon/kg/sec ( Cu/kg/s)

2. Sieverts /year (Sv/y)

3. Besquerels/metrs(Bq/m)

4. Gray /sec (Gy/s)

5. Curie/hour ( Ci/h)

4. .What types of ionizing radiation are measurement by radiation exposure dose?

1. * X-Ray, Gamma Ray

2. Alfa, beta decay

3. Alfa, beta, neutrons emission

4. All above mentioned

4. What is the unit of effective dose of ionizing radiation?

1. *Sieverts ( Sv)

2. Besguerels( Bq)

3. Gray ( Gy)

4. RAD

5. Roentgen ( Ro)

6. Curie ( Ci)

4. What is the unit of absorbed dose of ionizing radiation

1. * Gray ( Gy)

2. Sieverts ( Sv)

3. Besquerels ( Bq)

4. Roentgen ( Ro)

5. Curie ( Ci)

4. What is the unit of radioactivity?

1. *Besquerels (Bq)

2. Sieverts

3. Roentgen ( Ro)

4. Culon/ kg ( Cu/kg)

5. Gray/sec ( Gy/s)

4. What are the methods is most accurate for measurement of the human dose of radiation?

1. *Physical

2. Chemical

3. Clinical

4. Biological

5. Mathematics

4. Which category belong employers, who is professional working with sores of ionizing radiation?

1. * A

2. B

3. C

4. Which category belong the employers who is not work directly with sores of ionizing radiation, but can get additional radiation dose due to close contact with the place of sores?

1. A

2. * B

3. C

4. Which category of Ukrainian radiation regulation belong population

1. A

2. B

3. *C

4. Limit of the effective dose radiation for the workers of category A ( according the Ukrainian regulation – NRBU ) is

1. * 20 mSv

2. 1 mSv

3. 2 mSv

4. 5 mSv

5. 50 mSv

4. Limit of the effective dose radiation for the workers of category B ( according the Ukranian regulation – NRBU) is:

1. * 2 mSv

2. 1 mSv

3. 5 mSv

4. 20 mSv

5. 50 mSv

4. Limit of the effective dose radiation for the persons of category C is:

1. * 1 mSv

2. 2 mSv

3. 5 mSv

4. 20 mSv

5. 50 mSv

4. What is the necessary protection for the personal who is woks with closed source of Gamma-Ray and another source?

1. *Limit of the table time, increase distance source-person, protective screen

2. Hermetic regime of the control room and ventilation

3. Personal respirator

4. Cleaning of the surfaces from the radioactive pollution

4. Patient, female 30 y/o (account worker occupation) was admitted to the medical word with diagnosis Duodenal ulcer. She needs Barium meal examination. What is the limit of effective dose for her, according with the Ukrainian ionizing regulation standard ( NRBU)?

1. * Not more than 20 mSv

2. 1 mSv

3. 2 mSv

4. 150 mSv

5. 500 m Sv

4. Classify radiation workers, who is works with source and following all methods of personal protection ( protection by the time, distances and screen) has limit of the effective dose of radiation:

1. * 20 mSv

2. 1 mSv

3. 2 mSv

4. 150 mSv

5. 500 mSv.

Basis of the Radiotherapy of the Cancer and not malignant disease

1. What is the indication for the radiotherapy:

1. * Cancer

2. Benign tumor

3. Cachectic condition

4. Anaemia

2. What is the contra indication for the radiotherapy