A cat presents to a clinic with difficulty breathing, lethargy, and cyanosis. The veterinarian auscultated the thoracic cavity and politely asked to have a radiograph taken of the thorax. Dx: pleural effusion. A thoracocentesis was performed and 300 cc of fluid was aspirated. Rx: Bronchodilator BID. Cyanosis is:

A) liver disease in which the liver becomes small and brown
B) whitening of the mucous membranes due to anemia
C) yellowing of the mucous membranes due to liver disease
D) blue discoloration of the skin and mucous membranes due to insufficient oxygen
E) reddening of the mucous membranes due to excessive carbon dioxide levels


D

Anatomy & Physiology

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