VARIANT 14. VARIANT 15

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VARIANT 14

TEST 1. What kind of a radioactive irradiation is more dangerous to the man?

А. Internal irradiation

В. External irradiation

TEST 2. What from x-ray diagnostic procedures gives smaller radiation dose for the patient and doctor?

А. Roentgenofluorography

В. Roentgenography

С. Roentgenoscopy

TEST 3. What does unit of BER show?

А. ionizing ability

В. Capacity of a dose

С. Effect of the absorbed dose

TEST 4. Call unit of a dose of radioactive radiation:

А. Ber B. Rad. C. Roentgen D. Grey Е. Curie

TEST 5. Whether is the additional protection for a radiologist required, if he receives for one week 200 mber?

А. It is not required

В. It is required

TEST 6. What effects of action of radiation concern to stochastic?

А. Sharp radiation illness

В. Chronic radiation illness

С. Mutagenous, gonadotropic action

TEST 7. Whether the protection for roentgenologist is sufficient, if he receives 100 mber/hour in 30-hour working week?

А. sufficient

В. not sufficient

TEST 8. For what kind of radiating irradiation are the standards of a limit of allowable receipt intended?

А. For internal

В. For external

TEST 9 What devices are used for measurement of an exposition dose of radiation?

А. Psychrоmeters

В. Dоsimeters

С. Anemometers

О. Radiometers

Е. Аctinometers

TEST 10. With what sources of radiation do radiologists work?

А. With opened

В. With closed

VARIANT 15

TEST 1. Unit of activity of radioactive substances is:

А. Roentgen

В. Curie

С. Rad

TEST 2. An extreme allowable dose of radiation for a radiologist is:

А. 0,5 ber/year

В. 2 ber/year

С. 10 ber/year

TEST 3. To what group of critical bodies does thyroid gland concern?

А. To 2-d

В. To 1-st

С. To 3-rd

TEST 4. With what sources of radiation do doctors-radiologists work?

А. With opened

В. With closed

TEST 5. The level of NRB makes:

А. 10-20 mber/year

В. 500-1000 mber/ year

С. 100-200 mber/year

TEST 6. What does grey (the unit of measurement of radiation) show?

А. Capacity of a dose

В. ionizing ability

С. Absorbed dose

TEST 7. Corpuscular radiation are:

А. X-ray rays

В. Neutron radiation

С. Flow of α-particles

TEST 8. Indirect action of ionizing radiations on the organism is:

А. Formation of free radicals

В. Damage of a nucleus of cells

С. Damage of mitochondrias

TEST 9. Is the application of radioprotectors after irradiation is expedient?

А. Yes

В. No

TEST 10. Measures of preventive maintenance of action of radioactive iodine on organism:

А. Reception of radioprotectors

В. Reception of antistrumin

С. Reception of potassium iodide.

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