Home ยป Bluish discolouration of skin and mucous membrane due to poor oxygenation is termed as Health MCQs Bluish discolouration of skin and mucous membrane due to poor oxygenation is termed as April 9, 2022 13 Views Q. Bluish discolouration of skin and mucous membrane due to poor oxygenation is termed as A. Pallor B. Cyanosis C. Erythema D. Jaundice Answer: Cyanosis