Variant 3

Variant 3

Test 1. Patient don’t hear usual speech during the hours or days after stopping the noise effect.It was determed hearingability isdecreased on 15-20 dB at this period and after that it returns to normal level. Name stage of noise disease.

A. Acoustical adaptation

B. Acoustical exhaustion

C. Progressing deafness

D. Acoustical adaptation and exhaustion

E. Acoustical exhaustion and deafness

Test 2. Patient has a gradual complete loss of hearing. He work with noise level more than 80 dB for 15 years. Name stage of noise disease.

A. Acoustical adaptation

B. Acoustical exhaustion

C. Progressing deafness

D. Acoustical adaptation and exhaustion

E. Acoustical exhaustion and deafness

Test 3. Name maximal permissible level of Noise for Habitable rooms:

A. 40dB

B. 30 dB

C. 50dB

D. 60dB

E. 20 dB

Test 4. Name maximal permissible level of Noise for wards in hospital at night:

A. 25dB

B. 35 dB

C. 45dB

D. 55dB

E. 65 dB

Test 5. Name maximal permissible level of Noise for Industrial premises in hospital:

A. 25dB

B. 35 dB

C. 45dB

D. 55dB

E. 65 dB

TEST 6.What is the vibration?

A. Fluctuations of air with frequency 1 Hz and more

B. Fluctuations of liquids with frequency 1 Hz and more

C. Fluctuations of springy bodies with frequency more than 1 Hz

D. Fluctuations of springy bodies with frequency less than 1 Hz

E. Fluctuations of springy bodies with frequency less than 1 Hz

TEST 7. What is pathogenesis of vibratory illness at local influence of vibration?

А. Long angiospasm

В. Changes of CNS

С. Formation of bioactive substances

D. Formation of free radicals

E. Changes of GIT

TEST 8. What electromagnetic fields have the worst biological effect?

А. High- radio frequency

В. Microwave-frequency

С. Radio -frequency

D. Low frequency

E. Middle frequency

TEST 9. List the basic symptoms of a MICROWAVE - SYNDROME:

А. Diencephalic syndrome

B. Cataracta

C. Hair falling

D. Disorder of hemopoiesis

Е. Disorder of skin

TEST 10. The protection of the man against influence of electromagnetic fields will be carried out by:

А. Distance

В. Time

С. Discharge from work

D. Shielding

E. Dose

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