Question

the word that means an increase in reduced hemoglobin above 5 gm/dl is: hypercapnia dyspnea hypoxemia cyanosis

Explanation:

• Hypercapnia: Refers to an increased level of carbon dioxide in the blood, not related to reduced hemoglobin.
• Dyspnea: Means shortness of breath, not about hemoglobin levels.
• Hypoxemia: Is low oxygen in the blood, not specifically about increased reduced hemoglobin above 5 gm/dl.
• Cyanosis: Is a bluish discoloration of the skin and mucous membranes that occurs when there is an increase in reduced hemoglobin (deoxygenated hemoglobin) above 5 gm/dl.

Answer:

Cyanosis