Multiple Choice QuestionsAn 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
B.
histamine and kinins
Inflammation is a process by which body's immune system malfunctions. It is common to almost all diseases that involve microbiologic, chemical or physical injury to living tissues. Acute inflammation is a short term process occuring in response to tissue injury. Heat, Redness, Pain, swelling and loss of function are the cardinal signs.
Histamine is stored in mast cell granules and basophils. It is released by inflammatory and immunologic stimuli. It plays an important role in acute inflammation, exerting a dilator action on arterioles, increasing the permeability of small venules to plasma proteins and causing pain by stimulating nociceptors.
Plasma kinins such as bradykinin are not stored but are released by the action of kininogenase on plasma a, globulin. Bradykinin is a potent vasodilator, increasing small vein permeability and causing pain by stimulating peripheral nociceptors, but it has a short half-life.
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.
Which one of the following is a matching pair of a drug and its category
Amphetamines - stimulant
Lysergic acid dimethyl amide - narcotic
Heroin - psychotropic
Benzodiazepine - pain killer
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