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25 Lab Technicians Questions And Answers

2⟩ What are the causes, cure and preventive measures of (a) Diabetes (b)Plague (c)Typhoid (d)Hydrophobiaor Rabies

(a)Diabetes :- This disease is caused when the body becomes

unable to make use of the sugar present in the food. This

excessive sugar accumulates in the blood and is then passed

through the urine. It early symptoms are not visible to the

patient. The disease is known by the patient only when there

is excessive thirst and when too much urine is passed.

For its cure, there should be regular injections

of insulin ; and for prevention, the diet should be regulated.

Plague :- This disease is caused by the bite of infected rat

flea. It can be cured by Streptomycin and Sulpha drugs. Its

preventive measures are

(1) Complete isolation of the patient.

(2) Burning of dead rats and killing of living rats.

(3) Anti-plague inoculation, Disinfection of the clothes and

utensils of the patient.

Typhoid :- It is an infectious fever and is caused by the

germ known as Typhoid bacillus. It is also caused by

drinking infected water and milk, by eating infected

ice-cream and fish. Its symptoms ate headache, fever etc..

It cure us T.A.B. innoculation

It preventive measures are

(1) Avoid exposure of things to flies.

(2) Disinfection of all clothes and utensils of the patient

(3) Avoid taking under-ripe and over-ripe things

(4) Boiling of water before drinking and washing of

vegetables etc.. with potassium parmaganate.

(5) Complete rest.

Hydrophobia :-It us caused by the bite of a rabid animal

generally a dog. Jackal, fox or cat

Its cure is prophylactic vaccination. It can be

prevented by avoiding bite of a rabid animal and if bitten,

the bitten part should be cleaned well with potassium

parmenganate or hot water.

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3⟩ What ate the causes and cure of (a) Malaria (b) Tentanus (c) Scurvy

(a) It is caused by the bite of Anopheles mosquito, Its cure

is quinine.

(b) It is caused by tentanns bacillus which grows only in

the absence of oxygen. The germ enters the skin through a

cut or wound and causes infection. The cure is anti-tentanus

injection

(c) It is caused due to lack if vitamin C. The cure is the

juices of tomatoes, lemons, oranges etc..

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4⟩ What preventive measures should be taken for Malaria, Influenza, Cholera?

Malaria:- (1) Draining of the soil

(1) Destruction of the mosquitoe?s eggs

(2) Filling up of pools or draining off of the pools

(3) Use of mosquito-net for sleeping

(4) House should be built at a distance from the marshes

(5) Killing of adult mosquitoes by means of fumigation

(6) Use of Quinine

Influenza:- (1) Over-crowded places of public amusement

should be avoided during the epidemic

(2) Gargling with potassium

per-menganate solution should be done twice a day to promote

hygiene of the mouth

(3) Innoculation

(4) Nourshing diet should be taken

(5) Patient should be isolated

(6) Complete rest after attack

(7) Concurrent disinfection of towels

etc..

Cholera:- (1) Supply of pure water should be made

(2) Ice water and aerated water should be

avoided during the days of epidemic

(3) Food should not be exposed to flies

(4) All vegetables and fruits should be

washed with potassium permanganate before use

(5) Over- ripe and under-ripe things should

not be taken

(6) Utensils and articles if daily use

should be kept away from the patient

(7) Stools and vomits of the patient should

be burnt

(8) Stomach should not be empty

(9) Use of purgatives should be avoided.

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5⟩ What is the difference between plasma and serum?

Plasma is an anticoagulant and serum is a clot activator

therefore when blood mixes with plasma it cannot become or

make a clot, but when it is mixed with serum it clots. Many

anticoagulants contain calcium which binds with blood,

other contain potassium oxalate which can act as a

preservative for the blood.

When blood is mixed with serum it will clot faster because

many contain thrombin which coagulates faster and other

thixotropic gel which acts as thrombin.

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7⟩ What are chrithidial forms of leishmania donovani?

Chrithidial forms of leishmania donovani are leptomonas and

leptomonad forms.In these leptomonas is flagellate form and

leptomonad is ciliate form.In the disease kalaazar

leptomonad forms lives in the peripheral layers in the

dermis and actively move at night times.leptomonas are

inactive forms and they lie in the deeper layers of dermis.

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8⟩ What are elisa tests and pcr tests?

ELISA TEST is the test to identify whether the particular

person is affected by HIV virus or not.

ELISA means Enzyme Linked Immuno Sorbent Assay

In this test person's blood is tested by introducing HIV

antibodies. If blood clots within 30 seconds then the

person is said to be HIV positive otherwise hiv negative.

PCR test is the test to identify the aminoacid sequence in

a polypeptide chain of a specific protein.

PCR means Polymerase Chain Reaction.

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10⟩ What are arboviruses?

the viruses which are transmitted through arthropods are

known as arboviruses.

eg:in the disease encephalitis these arboviruses acts as

disease transmittants.

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12⟩ What is the total salt content of blood plasma?

total salt content of blood plasma is about 0.85-0.9%

approximately.

main salts are sodium carbonate and sodium bicarbonate.

along with this several chlorodes,phosphates,carbonates and

bicarbonates of sodium,calcium,magnesium are present.

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16⟩ What is the Normal range for fast blood sugar?

fasting blood sugar after 8 hours of overnight fasting shall

be between 70 to 99 mg/dl. Any increase from this range

shall be viewed seriously and blood sugar checked

periodically with glucometer or by means of any accredited lab.

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