Day 3 Occupational diseases caused by the exposure of the chemical factors

Додано: 26 грудня 2020
Предмет:
20 запитань
Запитання 1

Choose main pathogenetic groups can be defined nowadays among occupational diseases of the blood system

варіанти відповідей

Diseases, conditioned by toxic affection of marrow

Diseases, conditioned by the change of blood base

Disease, conditioned by hemolytic action

Diseases, connected with the disorder of the hemoglobin synthesis

Запитання 2

One of the simplest representatives of aromatic hydrocarbons is

варіанти відповідей

Benzol

Carbon oxide

Aniline

Nitrobenzene

Lead

Запитання 3

Benzol is badly dissolved in

варіанти відповідей

water

alcohol

chloroform

Запитання 4

... – liquids, used as solvents to receive phthalic acids. Toxic action of .... is characterized with the affection of the central nervous system and irritation of mucous tunic of eyes and respiratory tracts. Chronic intoxications are accompanied by the decrease of the level of erythrocytes, poikilocytosis, anisocytosis and moderate leucopoenia with relative lymphocytosis. Sometimes, some thrombocytopenia can take place. In case of getting to skin, the development of dermatitis is possible.

варіанти відповідей

Xylols

Mercury

Tetraethyl Lead

Lead

Запитання 5

... – are liquids. ... are used as solvent, intermediate products to receive some dyes, as well as insecto-fungicides. In the clinical pattern of the intoxication with ... are observed in the following cases: irritation of mucous tunic of eyes and respiratory tracts; in the blood the level of hemoglobin is decreased, the decrease of the number of erythrocytes and thrombocytes, as well as the appearance of methemoglobin.

варіанти відповідей

Dichlorobenzenes

Lead

Water

Mercury

Carbon Bisulfide

Запитання 6

Choose clinical symptoms of intoxication with carbon oxide, if content of carboxyhemoglobin in blood up to 10%

варіанти відповідей

Fatiguability at physical activity

Dizziness when moving, and headache

Headache, excitement, light fatigability, and fuddle consciousness

Headache, collapse and loss of consciousness

Unconsciousness and possible death

Запитання 7

Choose clinical symptoms of intoxication with carbon oxide, if content of carboxyhemoglobin in blood 20 – 30 %

варіанти відповідей

Headache, excitement, light fatigability, and fuddle consciousness

Dizziness when moving, and headache

Fast death

Unconsciousness and possible death

Запитання 8

The boundary permitted concentration (BPC) of carbon oxide in the air of the industrial zone is 

варіанти відповідей

20 mg/m3

If working for not more than one hour, BPC can be up to 50 mg/m3

if working for not more that 30 minutes – it can be up to 100 mg/m3

if working for not longer than 15 minutes – up to 200 mg/m3

Запитання 9

.. is a colorless oleaginous liquid with mild aromatic smell; it darkens fast in the air; it dissolves well in ether, alcohol, and it dissolves badly in water. It can be used to produce dyes, artificial raisings, and color pencils, in pharmaceutical and rubber industries, as well as to produce explosive matters.

варіанти відповідей

Aniline

Nitrobenzene

Lead

Hydrogen Arsenate

Mercury

Запитання 10

When poisoning with nitrobenzene and dinitrochlorbenzene, high

level of methemoglobin is for

варіанти відповідей

4 to 6 days

1 to 2 days

7 to 10 days

12 to 14 days

Запитання 11

In case of a sever form of acute poisoning with aromatic nitrocompounds and oilsperses, changes of blood go through the following stages: 

варіанти відповідей

formation of methemoglobin and bodies of GeinsErlich, which appear in blood on the 2nd – 5th day after intoxication

hemolisis of degeneratively changed erythrocytes. The number of erythrocytes decreases sharply; the content of hemoglobin decreases; the content of indirect bilirubin increases. The term of progressing of this stage is from 5 to 8 days.

renewal of the blood content. Sharp increase of the number of reticulocytes takes place; basophile – grainy erythrocytes emerge; a general number of erythrocytes and the content of hemoglobin increase.

Запитання 12

... is a soft, silvery-white or grayish metal. In the nature, it is mostly met in the form of sulphuric .... Poisoning with non-organic compounds of .... are more real in the mining and metallurgic industries, as well as in the production of ... paints and pigments, accumulators, during hardening of metal items in... baths, in production of crystal, when soldering (utilization of ... solders), when cutting metal items, which are painted (red ...), as well as in polygraph enterprises.

варіанти відповідей

Lead

Benzol

Aniline

Nitrobenzene

Hydrogen Arsenate

Mercury

Запитання 13

Lead interacts in the organism with active groups of proteins:

варіанти відповідей

sulfhydryl

amine

carboxyl

mercury

Запитання 14

Hemolysis is conditioned by factors:

варіанти відповідей

Inhibition of catalase, which is contained in erythrocytes, in the result of which a big number of hydrogen peroxide, which causes hemolysis;

formation of the following products inside erythrocytes, first of all, which have the hemolytic property, first of all, hydrolases; together with this hydrogen arsenate destroys glutathione, which can inhibit hemolysis;

accumulation of metal arsenic in erythrocytes, which ruin the structure of the latter, what causes their dissociation.

No correct answer

Запитання 15

...is a rare metal; it evaporates at room temperature. It is widely used in the production of thermometers, manometers, barometers, daylight lamps, quartz lamp – source of UV-radiation, and polarographs. It is also used as a catalyst in the chemical industry and laboratory syntheses of organic matters, as a cathode at the electrochemical reception of caustic soda and chloride and at the production of paints. In mining business with the assistance of ..., gold is separated from non-metal admixtures.

варіанти відповідей

Mercury

Aniline

Lead

Hydrogen Arsenate

Manganese

Carbon Bisulfide

Tetraethyl Lead

Запитання 16

The boundary permitted concentration of mercurous vapor in the air of production premises is

варіанти відповідей

0.01 mg/m3 . 

0.01 g/m3 . 

0.001 kg/m3 . 

1 mg/m3 . 

Запитання 17

A man works in casting of nonferrous metals and alloys for 12

years. In the air of working area there was registered high content of heavy

metals, carbon monoxide, and nitrogen. During periodic health examination the

patient presents with asthenovegetative syndrome, sharp pains in the stomach,

constipations, pain in the hepatic area. In urine: aminolevulinic acid and

coproporphyrin are detected. In blood: reticulocytosis, low hemoglobin level.

Such intoxication is caused by:

варіанти відповідей

Lead and lead salts


Tin


Carbon monoxide


Nitric oxide


Zinc

Запитання 18

During health assessment of car drivers and police officers on

point duty, the physicians detected carboxyhemoglobinin the blood of the

patients, weakened reflex responses, disturbed activity of a number of enzymes.

Revealed professional health disorders are most likely to be associated with the

effect of:


варіанти відповідей

Carbonmonoxide


Sulfurous anhydride


Mental stress


Aromatichydrocarbons


Nitric oxide

Запитання 19

A 37-year-old man working as a typesetter in a print shop

complains of rapid fatigability, paroxysmal attacks of stomachache, weak

drooping hands. Examination of neurological status revealed hypotrophy of the

forearm muscles. Carporadial reflexes are sharply weakened. Sensitivity is not

disturbed. Gums present with dark blue border. What neurological pathology is

it?


варіанти відповідей

Brachialplexitis

Guillain-Barre syndrome (postinfectious polyneuritis)


Shingles


Ulnar neuropathy


Lead polyneuropathy


Запитання 20

During the periodic medical examination an assembly fitter

(works on soldering details) didn’t report any health problems. Closer examination

revealed signs of asthenic vegetative syndrome. Blood included red blood cells

with basophilic aggregations and a somewhat higher number of reticulocytes,

urine had a high concentration of delta-aminolevulinic acid. The complex of

symptoms indicates the initial stage of chronic intoxication with:


варіанти відповідей

Lead


Manganese


Mercury


Tin


Ethanol

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