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QUESTION
Q170) Which is correct ... [ CPMT 2010 ]

correct

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Cyanosis: is defined as the bluish or purplish discolouration of the skin or mucous membranes due to the tissues near the skin surface having low oxygen saturation.
Eupnoea: is normal, good, unlabored breathing, sometimes known as quiet breathing or resting respiratory rate.
Coryza: catarrhal inflammation of the mucous membrane in the nose, caused especially by a cold or by hay fever, caused by a viral or bacterial infection.
Answer : (a)