Multiple Choice QuestionsWhich one of the following is an environment related disorder with the correct main cause
Black lung disease (pneumoconiosis) found mainly in workers in stone quarries and crushers.
Blue baby disease (methaemoglobinaemia) due to heavy use of nitrogenous fertilizers in the area.
Non-hodgkin's lymphoma found mainly in workers involved in manufacture of neem based pesticides.
Skin cancer mainly in people exposed to benzene and methane.
B.
Blue baby disease (methaemoglobinaemia) due to heavy use of nitrogenous fertilizers in the area.
Blue baby syndrome is a pathological condition, called methemoglobinemia, in which blood's capacity for oxygen transport is reduced, resulting in bluish skin discoloration in infants. Blue baby syndrome begins when large amounts of nitrates in water are ingested by an infant and converted to nitrite by the digestive system. The nitrite then reacts with oxyhaemoglobin (the oxygen-carrying blood protein) to form metheglobin, which cannot carry oxygen.
Pneumoconiosis is a man-made, occupational lung diseases that are contracted by prolonged breathing of coal mine dust i.e. caused by the inhalation of dust. characterized by formation of nodular fibrotic changes in lungs.
Non-Hodgkin lymphoma (or NHL) is a cancer of lymphoid tissue, a part of the lymphatic system. NHL is a heterogenous disease. Skin cancer is a malignant tumor that grows in the skin cells. It is commonly caused by exposure to the sun's UV rays
An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals such as
histamine and dopamine
histamine and kinins
interferons and opsonin
interferons and histones
mong rust, smut and mushroom all the three
are pathogens
are saprobes
bear ascocarps
bear basidiocarps.
A young drug addict used to show symptoms of depressed brain activity, feeling of calmness, relaxation and drowsiness. Possibly he was taking
amphetamine
marijuna
pethidine
valium
Antigen binding site in an antibody is found between
two light chains
two heavy chains
one heavy and one light chain
either between two light chains or between one heavy and one light chain depending upon the nature of antigen
Assertion: A person who has received a cut and is bleeding needs to be given anti-tetanus treatment.
Reason: Anti-tetanus injection provides immunity by producing antibodies for tetanus.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false.
Assertion: Cancer cells are virtually immortal until the body in which they reside dies.
Reason: Cancer is caused by damage to genes regulating the cell division cycle.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false.
Assertion: Inflammation of a skeletal joint may immobilize the movements of the joint.
Reason: Uric acid crystals in the joint cavity and ossification of articular cartilage lead to this
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false.
Assertion: Escherichia coli, Shigella sp. and Salmonella sp. are all responsible for diarrhoeal disease.
Reason: Dehydration is common to al I types of diarrhoeal diseases and adequate supply of fluids electrolytes should be ensured.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false.
Assertion: LSD and marijuana are clinically used as analgesics.
Reason: Both these drugs suppress brain function.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false.
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